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Frequent

Total posts: 300

Votes

Marcus



What is the use of working tables in our ETL?

Why do we need working tables in our ETL? Wouldn't it be easier if we have all our attributes in one table. ...

469
Views
7
Votes
7
Answers
Marcus



How do I create a new row of data into a SAS table?

For example I have a table in SAS with a set of data and I want to create a new row with an unused ID of 99999 with null values for the rest of the columns. ...

419
Views
7
Votes
10
Answers
JasmineJiang



Why OLAP cannot bulid sucessfully?

Does anyone know that why OLAP cannot build successfully when full name exceed the number characters? ...

563
Views
7
Votes
14
Answers
Marcus



How do I use values from the dimension table as measures?

Is it possible to use values from the dimension table as cube measures? So far I've only been able to use them as Distinct count instead of the values in the table. Thanks! ...

581
Views
6
Votes
13
Answers
Marcus



Is this a good example for a graph?

It is the credit limit for all the credit card users in the database. Thanks. ...

1933
Views
6
Votes
19
Answers
JasmineJiang



SAS Management Console

Why do we have to update metadata at SAS Management Console in order to see the changes in SAS Enterprise Guide? ...

585
Views
5
Votes
10
Answers
Nicoleswy



Which chart or graph is right for you?

How to select the best chart for the type of data we are analysing? Also, i would like to display data sets with negative values, is bar chart or column chart a better choice? ...

1746
Views
5
Votes
5
Answers
XavierLZH



I need some help with OLAP cube!

While editing the definition of a cube within the Cube Designer of SAS OLAP Cube Studio, I encountered this error. ERROR: Incomplete cube metadata detected. ERROR: No input table. ...

598
Views
5
Votes
10
Answers
JayceEr



Measures for Auto Loan

Hi all, what measures should be used for auto loan and auto loan payment in OLAP. Examples would be much appreciated :) Thankyou :) ...

526
Views
5
Votes
14
Answers
XavierLZH



I tried to open a project from program history, instead it opened a blank project or display an exception

Exception information Path 'C:\Users\userid\AppData\Local\Temp\2\SEG42212\KnvA73dVT2OWIX8v' doesn't point at a valid Git repository or workdir. ----------------------- ...

2690
Views
5
Votes
4
Answers
Marcus



How do I convert the format for credit card ID?

For example the credit card ID that is displayed in the cell for the table is 5.2101235E15. How do i display the proper credit card ID of 5210123456789550 for all of the cells in the credit card I ...

483
Views
5
Votes
11
Answers
ChiangZhiHui



How to get everything after first space

For example: NYPBank Khatib NYPBank Ang Mo Kio NYPBank Yio Chu Kang How to get everything after first space? Desired outcome: ...

391
Views
5
Votes
6
Answers
Pearline



WHY FACT TABLE cannot consist range value

Mr jason said that we cannot put range values in fact table. I didn't had time to ask him why. can someone please explain to me. Thanks ...

536
Views
5
Votes
8
Answers
yeeqinghew



OLAP CUBE problem when "Drill through details"

This problem prompts up when i want to drill through details in my OLAP Cube. ...

431
Views
5
Votes
4
Answers
XavierLZH



What is SAS BI Dashboard Portlet?

I am currently doing the SAS project, just finished my OLAP cube but I am confused because I don't know what is this used for, and how it can help to display graphs. ...

1319
Views
5
Votes
13
Answers
FarhanaMahadi



Unable to open input data.

Has anyone ever encounter this problem? It was working fine initially a few days ago until today when I clicked onto the table, this problem occurred. ...

487
Views
4
Votes
10
Answers
Bjergsen



Retaining unwanted DataSets

I do not want some data for now but I think I may need it in the future . I saw something like "Keep/Drop" when i was Googl-ing . It is not really importantly but I think it will be useful for m ...

252
Views
4
Votes
1
Answers
yeeqinghew



OLAP CUBE NWAY aggregation

Hi, anyone knows what is a NWAY aggregation ? What is the use of it and when do we use it ?? Thanks :)) ...

761
Views
4
Votes
7
Answers
Bjergsen



Merging two data sets that have variables with same name but different data ?

What is the problem with merging two datasets that have variable with same name but different data ? ...

456
Views
4
Votes
1
Answers
Nicoleswy



How to deal with empty cells?

As you can see that there are empty cells under CoeExpiry, can anyone tell me what i sho ...

715
Views
4
Votes
5
Answers
yeeqinghew



Scan function to extract locations

I'm currently having problem of using SCAN function to extract out all the locations (a ...

336
Views
4
Votes
1
Answers
yeeqinghew



After building OLAP CUBE

What are we gonna do after our OLAP CUBE ?? Is it move on to Information Maps or straight to Dashboard ?? ...

462
Views
4
Votes
10
Answers
JiangPing



How to i perform substr starting from the back?

help me why it isnt posting my ask question .....I think this system actually don't want to be go celebrate Chinese new year with my fam ...... oh well back to work ermmm I was ...

457
Views
4
Votes
5
Answers
Pearline



How to create time dimension?

Hi, so basically i want to create a time dimension from a date time format. However i do not know how to :( ...

657
Views
4
Votes
20
Answers
Nicoleswy



OLAP CUBE fullName error

I have followed the instructions in the OLAP cube step by step slides, but why am i still havin ...

426
Views
4
Votes
10
Answers
Scottt



How do i solve this?

i received the message "Not enough quota is available to process this command" Application Error SAS Enterprise Guide needs to close SAS Enterprise Guide has encountered a problem and needs to ...

2075
Views
4
Votes
7
Answers
Marcus



How do I solve this error in olap cube?

I can't seem to solve this error on olap cube is it because of the format, if so how do i change it? https://postimg.org/image/6oq3eixm5/ ...

1557
Views
4
Votes
11
Answers
yeeqinghew



Hierarchy in OLAP CUBE

Hi, anyone knows what hierarchy should I include in my credit card sign up fact table in OLAP CUBE? For example, Time Dimension: Year > Quarter > Month Customer ...

446
Views
3
Votes
10
Answers
gracesng



how do you design dashboard ? do we need to integrate into SAS portal?

how do we design dashboard? are we suppose to integrate everything ? is there a need for web report? ...

722
Views
3
Votes
9
Answers
ChinHin



What is a range in SAS dashboard?

Must we have a range? Is the range used for indicator data or indicator? Do i create the range first or the indicator first ...

405
Views
3
Votes
10
Answers
Mavissyn



What SUBSTR function does?

Can anyone help me explain the difference? I tried googling but I am very confused. So please help as your help will help me a lot. Thank you. ...

405
Views
3
Votes
10
Answers
JiangPing



How to add an additional column in my table???

in need of help pls help me i want go back celebrate cny with my fam thanks in advance was given a mission impossible to do >.>............................................. XD ...

489
Views
3
Votes
14
Answers
darrenlee98



SUBSTR function vs SCAN function

What are the differences between SUBSTR function and SCAN function? When should I use each of these functions? ...

551
Views
3
Votes
8
Answers
Alysha



Explain further with example

"Fact table contains the fundamental atomic level of data to be stored" What do you meant atomic level? ...

438
Views
3
Votes
5
Answers
Lili96



How do I remove the blank data in a numeric column ?

How do I remove the . in the JointCustomerID ? Please help thank you! ...

484
Views
3
Votes
11
Answers
JiaQii



SAS Information Map Studio

Please explain with examples. What's the purpose and uses of SAS Information Map Studio? Is there any benefits? ...

386
Views
3
Votes
4
Answers
FarhanaMahadi



How do I remove missing values in OLAP Cube?

As I wanted to build the OLAP Cube, the missing values would be indicated as "." in the data presented in the bar chart. It would not be presentable if the "." exists. How do I remove them? ...

402
Views
3
Votes
5
Answers
ChinHin



Problem creating a computed column

Hey guys i want create a measure by using computed column which involves taking a value dividing another value any idea how do i write it out using advance expression? T.T ...

464
Views
3
Votes
9
Answers
jasonc

Moderator

Well-designed websites

What are some well-designed websites? Can you suggest 3 well-designed websites and elaborate on why they are considered well-designed? ...

309
Views
3
Votes
5
Answers
155952D



sas enterprise might display errors about removing project items

when i open my project , i see a pop-up message box with one or more notes that are similar to the following: An unknown error occurred while trying to create the project item with label "somethin ...

707
Views
3
Votes
8
Answers
155952D



Data Indicators. What are they used for?

Are the dashboards made up of different indicators? If so are dashboards based on the indicators or the information maps? Since the indicators can also be made from information maps whats the diffe ...

519
Views
3
Votes
10
Answers
Mavissyn



What is the difference between reading the data from external file and reading the data from existing data set?

Can anyone help me explain this? I tried googling the difference but I still do not understand clearly between these 2 . I am very confused between reading the data from external file and reading t ...

381
Views
3
Votes
4
Answers
Farhana



More than 1 OLAP cube per fact table ? YES or NO

hi, is it possible to have more than 1 OLAP cube per fact table? If no, wont it be too complicated and messy if 1 only have 1 OLAP cube per fact table ? Can you suggest ways too make it less compl ...

619
Views
3
Votes
12
Answers
Alysha



SAS BI Dashboard (query return)

QUERY ERROR! Query error for indicator data 'test' This query returns > 10000 rows. The maximum number of rows permitted is 10,000. To reduce the number of rows returned by ...

1434
Views
3
Votes
5
Answers
Mavissyn



What is the difference between using drop= data set option in data statement and set statement?

Can anyone help me explain the difference? I tried googling but I am very confused between them. So please help as your help will help me a lot. Thank you. ...

379
Views
3
Votes
3
Answers
JiaQii



Attribute Byte Length

Why attribute byte length will return back to normal after updating it? Example, changing from 8 bytes to 256 bytes. But when i close SAS EG and reopen it the byte length will return to 8 bytes i ...

492
Views
3
Votes
6
Answers
Scottt



sas enterprise displays "ERROR: Unable to get SAS code. Value cannot be null."

Parameter name: ServerName and LibraryName cannot be null or empty; ERROR: Unable to get SAS code. Value cannot be null. Parameter name: ServerName and LibraryName cannot be null or empty??? ...

784
Views
3
Votes
6
Answers
Lili96



How do I get the yearly earning for each deposit ?

For example, how do I get the difference in the DepositAmount from date 2/12/2008 to 2/ ...

335
Views
3
Votes
3
Answers
Lili96



What are some of the better ways to classify or group data ?

For example, if I have a set data eg. deposit amount for all the customers. What are some of the better ways to set the range? Must the range difference be constant? Can give me some example. Thank ...

365
Views
3
Votes
4
Answers
Mavissyn



What is the difference between '+' operator and SUM function?

Can anyone help me explain these 2 functions? I tried googling the difference between '+' operator and SUM function but I still do not understand clearly between these 2 . I am very confused betwee ...

514
Views
2
Votes
7
Answers
jasonc

Moderator

Examples of bad visualizations?

Could anyone share a visualization [link + screenshot(s)] you think is bad and explain why you think it is so. You should not repeat visualizations that were posted before your post. ...

3288
Views
2
Votes
22
Answers
XavierLZH



How do I compute the number of days between two dates?

I am using SAS Entreprise Guide and I am having problems trying to find out how to calculate the days between two different dates. Anyone have any clues of how to do it by creating a computed colum ...

515
Views
2
Votes
4
Answers
FarhanaMahadi



Difficulties in combining tables.

I'm not so sure what types of inner joins/joins to use whenever I'm combining the tables. For example, I would like to calculate the number of bank products that a customer owned. ...

503
Views
2
Votes
1
Answers
darrenlee98



How do I make use of COUNT() function

I am unclear on how to use COUNT() function properly as I need it for my analysis but I don't know how to make use of it. Your help will be appreciated. Thanks! ...

559
Views
2
Votes
8
Answers
szekye



What is data warehouse?

I need help understanding what is a data warehouse and what is it used for. Hope you guys can help me understand this topic better thanks alot! ...

561
Views
2
Votes
7
Answers
SandyTang



Differences between SUBSTR function and SCAN function

SCAN(string,n,delimiters): returns the nth word from the character string string, where words are delimited by the characters in delimiters.
It is used to extract words from a character valu ...

728
Views
2
Votes
5
Answers
Alysha



SAS Information Map Studio

in the Selected Resources, are you suppose to get the attributes from fact table or dimension table? ...

431
Views
2
Votes
10
Answers
SandyTang



Purpose of SAS BI Dashboard

In Dashboard, when are we require to use new indicator, new indicator data and new range. What is the different between them? ...

2834
Views
2
Votes
12
Answers
Lili96



1610
Views
2
Votes
4
Answers
Scottt



How do i solve this?

I received the following error message when i opened SAS enterprise Exception Details: Exception type: System.Xml.XmlException Message: ...

1783
Views
2
Votes
4
Answers
Farhana



What is the difference between predictive analysis and forecasting ?

I would like to know the difference between predictive analysis/ prediction and forecasting. Give cases when predictive analysis and forecasting is used. ...

609
Views
2
Votes
11
Answers
gracesng



What is a SAS BI Dashboard?

What does a dashboard use for? does it only show graphs or report? whats the difference between a SAS BI dashboard portlet? ...

640
Views
2
Votes
7
Answers
Alysha



Visualization Outcome

What is the difference between dashboard, Web Report Studio and Portal? and which is better to use to present as a final visualization? ...

659
Views
2
Votes
8
Answers
JunJie



Cannot update ETL table

I cannot update my dimension table in enterprise guide as they keep prompt the error of I not the valid administrators. With this, I cannot change my things. ...

517
Views
2
Votes
2
Answers
Kailiang96



LOCK UP WHEN CREATING OLAP CUBE

Anyone faced the same problem or have any ideas why would get lock up when creating OLAP CUBE? Thanks in advance. ...

583
Views
2
Votes
11
Answers
AlvinTan



Can i create more than one cube using only one fact table ?

I created a cube using only part of the attributes in my fact table. I would like to use the remaining attributes to create a cube as well. Can i create another cube or i would have to divide my f ...

624
Views
2
Votes
12
Answers
lilguccinick



IOTALENT ACCOUNT ISSUE

i cannot change my username when i go to my profile. is there any way anyone knows that i can? it will really help a lot thank you!!! ...

473
Views
1
Votes
2
Answers
cuiru



What is the frequent use type of element

such as Inline element,Block element,Empty element... use of ........ how to apply...... ......
...

558
Views
1
Votes
4
Answers
Khairul



What is the difference between NODUP and NODUPKEY Options?

I don’t understand clearly what does these 2 functions meant. Can anyone help me? It will really help my project a lot. Thank you ...

944
Views
1
Votes
5
Answers
jasonc

Moderator

WiFi 2.4GHz and 5.0GHz: What are they?

I am setting up the WiFi at home and I see two choices: 2.4GHz and 5.0GHz. What are they? Is the 5.0GHz one faster? ...

1008
Views
1
Votes
21
Answers
darrenlee98



How to deal with empty values?

I have some values that are empty and I want to change them. Do I need to change them from access or something else? ...

816
Views
1
Votes
16
Answers
jiialiin



Is bootstrap important?

Is it important to use bootstrap for our website? Since bootstrap has really good advantages for people who want to have a more beautiful web page​. ...

502
Views
1
Votes
3
Answers
Chyeyuh



I need some PRO helper please thank you

HOW DO I INSERT THE FUNCTION WHICH WILL MAKE IT PRINT TO THE OTHER BOX ON THE RIGHT? ...

462
Views
1
Votes
1
Answers
evalynlow



How do i style my video ?

After adding my video into my webpage, how do i use CSS to style my video and how to put it on autoplay? ...

405
Views
1
Votes
3
Answers
WeiJie



How Do I Get the Data into SAS Visual Analytics?

With all of the big data hype, many customer are concerned that they need an advanced setup or if they don't have big data then SAS Visual Analytics is not useful to them. ...

933
Views
1
Votes
5
Answers
Khairul



HOW TO TEST THE DEBUGGING IN SAS?

I am currently trying to debug for my project. I am a little bit stuck in debugging so if anyone can help me with this process, it will be very helpful. Thank you so much ...

474
Views
1
Votes
4
Answers
Khairul



What is Difference between SET and MERGE?

Can anyone help me explain these 2 functions? I tried googling the difference between set and merge but I still do not understand clearly between these 2 functions. I am very confused between these ...

447
Views
1
Votes
6
Answers
Ken20008



Best Way To Learn Web Design

What is the best way to learn web design? Online courses? I found some nice in-person courses for HTML/CSS coding, think those are good. Could anyone advise? ...

165
Views
1
Votes
0
Answers
Lili96



SAS Web Report Error

This error occurs when I view my data in Web Report Studio Help. The data value is one ...

526
Views
1
Votes
2
Answers
szekye



How do i debug and test my SAS program

Please help me with this question I am still new to using the SAS program. It would help a lot as i believe that spotting the mistakes earlier is better. Thanks! ...

410
Views
1
Votes
5
Answers
szekye



What is the flow of creating a cube?

I could not find the answer to this question so i was hoping y,all could do it for me! Thanks for the help ...

1023
Views
1
Votes
7
Answers
Suhaila



Hierarchy In OLAP Cube

What is the difference in these three hierarchy; default hierarchy, multiple hierarchy, ragged and unbalanced hierarchy for a dimension in OLAP cube? When to know which hierarchy to be used? ...

1055
Views
1
Votes
6
Answers
SandyTang



How to use filter and sort

what is the main purpose of using filter and sort? when are we require to use filter and sort in SAS Enterprise Guide. Can anyone suggest me? ...

474
Views
1
Votes
10
Answers
Alysha



How do you solve this?

ERROR: More unique keys were detected in the fact table than in the dimension table for the "Transaction Ref" dimension. ...

407
Views
1
Votes
6
Answers
Suhaila



Common Operations In OLAP Cube

Can someone explain the data tables and common operations in OLAP cube, what are they used for and when to be used? ...

1737
Views
1
Votes
5
Answers
Julian



how to link an external Javascript onto your HTML

how to link an external Javascript onto your HTML how to link an external Javascript onto your HTML how to link an external Javascript onto your HTML ...

437
Views
1
Votes
4
Answers
tyt2315



ERROR When I double click my olap cube , it doesnt appear

why when I double click my olap cube , the cube does not appear ? There is also an error when i view cube data , "There was an error fetching data" . ...

486
Views
1
Votes
6
Answers
jasonc

Moderator

What are ports like port 88, 100 etc.? Do we need to know them to be web developers?

What are ports like port 88, 100 etc.? I believe they are called UDP or TCP ports. Do we need to know them to be web developers? I means we don't type them into the URL right? ...

494
Views
1
Votes
2
Answers
OngChenYu



What is the BIA implementation process? Anyone can explain the BIA Implementation process ?

What is the BIA implementation process? Anyone can explain the BIA Implementation process ? Thank you !!! ...

669
Views
1
Votes
2
Answers
FarhanaMahadi



The differences between OlapCube and Dashboard.

May I know what are the differences between an Olap Cube and Dashboard? Because I'm still having doubts when to use Olap cube or Dashboard to present the analysis. ...

421
Views
1
Votes
6
Answers
Archives



Is address 0000000C a special address?

When programming sometimes things break. You made a mistake and your program tries to read from a wrong address. One thing that stands out to me that often those exceptions are like : ...

106
Views
0
Votes
3
Answers
Archives



How to make significant technical decisions given very little time

I have got 2 days for making a very serious decision about the tools and platforms that my company is going to use in order to port its WPF application to Linux / Android / iOS whatnot. Obv ...

263
Views
0
Votes
7
Answers
Archives



Throw exception or let code fail

I am wondering if there are any pros and cons against this style: private void LoadMaterial(string name) { if (_Materials.ContainsKey(name)) { throw new ArgumentExce ...

129
Views
0
Votes
9
Answers
Archives



Should Latin-1 be used over UTF-8 when it comes to database configuration?

We are using MySQL at the company I work for, and we build both client-facing and internal applications using Ruby on Rails. When I started working here, I ran into a problem what I had nev ...

86
Views
0
Votes
6
Answers
Archives



Is a 1 < 10 comparison less expensive than 1 < 1000000?

I just used ~1 billion as the count for a z-index in CSS, and was thinking about the comparisons that must go on. Is there a difference in performance on the ALU level in comparisons b ...

165
Views
0
Votes
7
Answers
Archives



Is the 'finally' portion of a 'try ... catch ... finally' construct even necessary?

Some languages (such as C++ and early versions of PHP) don't support the finally part of a try ... catch ... finally construct. Is finally ever necessary? Bec ...

160
Views
0
Votes
11
Answers
Archives



Is there any material difference between queries joined by WHERE clauses, and queries using an actual JOIN?

In Learn SQL the Hard Way (exercise six), the author presents the following query: SELECT pet.id, pet.name, pet.age, p ...

254
Views
0
Votes
10
Answers
Archives



Kernel mode web servers: A clever optimization or a security nightmare?

I was reading a Hacker News thread where one user posts a link from 2011 explaining that ...

187
Views
0
Votes
3
Answers
Archives



How to define "or" logically

Recently, I came across a problem that required me to define the logical "OR" operator programmatically, but without using the operator itself. What I came up with is this: ...

169
Views
0
Votes
13
Answers
Archives



Should I spend time preventing piracy of my app?

The title says it all, the more I do research about piracy and the tools used to crack an app the more I think it is just wasted time. My biggest threat is that my app is being cracked and ...

112
Views
0
Votes
8
Answers
Archives



When should I use event-based programming?

I have been passing callbacks or just triggering the functions from other function in my programs to make things happen once tasks complete. When something finishes, I trigger the function directly ...

164
Views
0
Votes
3
Answers
Archives



Are there programming languages that support both static and dynamic typing?

Being either static or dynamic should be something completely supported in the language. Static vs dynamic shouldn't be something that you have to turn on and off, switching between basically 2 lan ...

142
Views
0
Votes
4
Answers
Archives



If MVC is "Separation of Concerns" then why was Razor Syntax introduced?

My question is related to MVC design pattern and Razor Syntax introduced by Microsoft. While learning MVC design pattern I was told that the idea is based upon a principle known as ...

162
Views
0
Votes
4
Answers
Archives



Is every language written in C?

Sometimes while programming in different languages (C/C++, C#), this thought comes to my mind: Is each and every language written in the C programming language? Is the C lan ...

142
Views
0
Votes
6
Answers
Archives



What are the caveats of implementing fundamental types (like int) as classes?

When designing and implenting an object-oriented programming language, at some point one must make a choice about implementing fundamental types (like int, float, do ...

107
Views
0
Votes
6
Answers
Archives



Is there a conventional way to combine file path strings?

In an example: var assets = "images/" var sounds = assets+"sounds/" Is it more conventional to put the slash on the back of a file path? var asset ...

151
Views
0
Votes
8
Answers
Archives



Why is *declaration* of data and functions necessary in C language, when the definition is written at the end of the source code?

Consider the following "C" code: #include<stdio.h> main() { printf("func:%d",Func_i()); } Func_i() { int i=3; return i; } Func_i() ...

111
Views
0
Votes
5
Answers
Archives



Does using == in JavaScript ever make sense?

In JavaScript, the Good Parts, Douglas Crockford wrote: JavaScript has two sets of equality operators: ...

237
Views
0
Votes
7
Answers
Archives



Code First vs. Database First

When I design and create the software I work on, I typically design and create the back-end SQL tables first and then move on to the actual programming. The project I'm currently working on has me ...

136
Views
0
Votes
7
Answers
Archives



Why might it be difficult to make a 64 bit version of a program?

In my short time programming, it has been trivial to compile any of my C++, Java, etc. for either a 32 or 64 bit machine so long as I have the full source for the program. But a lot of soft ...

107
Views
0
Votes
3
Answers
Archives



Is it good practice to inherit from generic types?

Is it better to use List<string> in type annotations or StringList where StringList class StringList : List<String> { /* no furthe ...

150
Views
0
Votes
8
Answers
Swinnerton



Forward or Backward Slash

When do we use forward slash (/) or backward slash () for html? They look so similar! Do we use forward slash (/) all the time for html and not the backward slash? Or is there and exceptions? ...

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Archives



Why aren't there code overviews for open-source projects?

There are very complex open source projects out there, and to some of them I think I could make some contributions, and I wish I could, but the barrier to entry is too high for a single reason: for ...

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tayweelin



line break and word break opportunity

When do we use ''br'' and when do we use ''wbr''? What are the differences between these 2 ? i know that ''br'' is to insert a single line break. what about ''wbr''? ...

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cherylkuik



Why must we save our HTML document into a file ending .htm or .html?

When we save our HTML work, why can't we save it with other extensions such as text, jpeg, jpg, etc. Is there a difference in saving them into different types of extension? ...

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XZZZZ



Text type memorising difficulty

Do we really have to memorise the text type and how does the text type affect the website ?? Because there is really A lot of text type that we have to memorise eg. times new roman , poly , cabin e ...

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AhXiong



Need advices with web applications

Do we need to memorize all the steps needed? Whats the difference when my letters are capitalized and not. Is it possible to make our own style sheet? When, how and what codes are linked to CSS ...

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handsome



Is it a must to type !doctype html in every html page?

What difference would it make if if we type !doctype html on other lines instead of line 1 of a html page? Will the program be able to run? ...

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tayweelin



Programming and Web App Development

In programming, if i want to leave a line in between 2 paragraphs, i must type System.out.print(''\n\n'');. Can i type "\n\n" if want to leave line when i develop my website as well? An ...

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curiosta



Other methods for Web development

Are there any simpler or other methods that we can use in creating a website? The methods currently being used are quite long and tedious and hard to memorise. Also what are the ways to remember th ...

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Xiaoying



how to link html pages together

how to link one html page to another that allow users to click their way from page to page? Use what element to define a link in html? Use what attribute to define the link address in html? ...

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HongQuan



Is there a shorter way to create a web page?

Is there a shorter way to create a web page ? Is it a need to have the doctype! on every web page? Does the format of all the web page is about the same? ...

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Xinyi



I don't quite understand about the webapp project

How are we suppose to create/ design our own webpage? And it states that each member has to design 2-3 pages, what does it mean by that? (does it mean the ms word 2-3 pages?) ...

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LimLX



Headings Differences

What are the difference between all the 6 headings, (eg: h1 and h6) ? When do we need to use the different headings? ...

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7
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PhurnZhore



HTML AND DOCTYPEEEEE

Hey guys how are u all doing?:D I'm curious to find out the difference between HTML TAGS and HTML elements, cause they seemed similar to me. Also, what is the meaning of DOCTYPE and what is the fun ...

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jiialiin



Why is it important to make sure that the coding we type is correct?

For example, if we are using notepad to do a html page. Why do we need to make sure that some of the coding we type must be lowercase or uppercase? ...

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IoTalents

Moderator

Coding Challenge Series: Summing to 100

Challenge Insert + or - signs anywhere between the digits 123456789 in such a way that the expression evaluates to 100. The order of the digits must not be changed. ...

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Archives



Why are there so few C compilers?

C is one of the most widely-used languages in the world. It accounts for a huge proportion of existing code and continues to be used for a vast amount of new code. It's beloved by its users, it's s ...

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Archives



Are deadlines Agile?

For clarity, a deadline is: A time limit or deadline is a narrow field of time, or particular point in time, by which an objective or task must be accomplished. ...

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Archives



What is the purpose of planning poker in a sprint?

Our business analyst and project leads tell us the client's requirement as Stories. Every Sprint planning, we (developers) are asked to play planning poker. They asked all of us to consider ...

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Archives



Why is base-for-all-objects discouraged in C++

Stroustrup says "Don’t immediately invent a unique base for all of your classes (an Object class). Typically, you can do better without it for many/most classes." (The C++ Programming Langua ...

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Archives



Are there any easy-to-follow/reliable methods for simplifying code?

There is a problem with the way I code. Regardless of how much of a plan I write beforehand, the code becomes overcomplicated quickly. Reading books on good practice and attempting to adher ...

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8
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Archives



Is it premature optimization to add database indices?

A colleague of mine today suggested that we go through all of the queries in our application and to add indices accordingly. I feel this is premature optimisation because our application i ...

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Archives



Is it reasonable to assume that any physical quantity can be represented by a 64-bit integer without overflow or underflow?

The original binary search algorithm in the JDK used 32-bit integers and had an overflow bug if (low + high) > INT_MAX ( ...

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Archives



Bad sign if nobody can comprehend one's code?

If a coder writes code that nobody other than he can understand, and code reviews always end with the reviewer scratching his head or holding their head in their hands, is this a clear sign that th ...

230
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9
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Archives



Releasing open source software too soon

What is the moral responsibility of releasing open source software too soon? For instance, a close-to-complete product that hasn't been fully tested. What is the expectation of the program ...

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Archives



Why structs and classes are separate concepts in C#?

While programming in C#, I stumbled upon a strange language design decision that I just can't understand. So, C# (and the CLR) has two aggregate data types: struct (value-type, ...

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Archives



Constructor-only subclasses: Is this an anti-pattern?

I was having a discussion with a co-worker, and we ended up having conflicting intuitions about the purpose of subclassing. My intuition is that if a primary function of a subclass is to express a ...

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Archives



When NOT to apply Dependency Inversion?

I am currently trying to figure out SOLID. So Dependency inversion means that any two classes should communicate via interfaces, not directly. E.g. if class A has a method, that expect ...

317
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Archives



How can I ask my boss (in a polite way) to comment his code?

I am being taught by my boss (I just finished school and he wanted someone with a little programming experience, so he chose me to train me on what that company specializes in) and started working ...

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Archives



What is referential transparency?

I have seen that in imperative paradigms f(x)+f(x) might not be the same as: 2*f(x) But in a functional paradigm it should be the same. I have tried to implement bot ...

153
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4
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simin23



writing for the webpage

what can one do to ensure that the reader understand and can read your webpage content easily so that you can engage your readers to your webpage ? ...

292
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2
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Archives



Multithreading: am I doing it wrong?

I'm working on an application that plays music. During playback, often things need to happen on separate threads because they need to happen simultaneously. For example, the notes of a chor ...

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Archives



Why do we need to include the .h while everything works when including only the .cpp file?

Why do we need to include both the .h and .cpp files , while we can make it works with making just a .cpp file and then including it . For example, Cr ...

186
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7
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Archives



Why does void in C mean not void?

In strongly-typed languages like Java and C#, void (or Void) as a return type for a method seem to mean: This method doesn't return anything. Nothin ...

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12
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Archives



How to avoid being forked into oblivion by a more powerful contributor?

As recently reported here: Xamarin has forked Cocos2D-XNA, a 2D/3D game development framework, creating a cross-p ...

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Archives



Is it a good practice to declare instance variables as None in a class in Python?

Consider the following class: class Person: def __init__(self, name, age): self.name = name self.age = age My coworkers tend to define it like ...

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Archives



Addressing the fact that primary keys are not part of your business domain

In almost all circumstances, primary keys are not a part of your business domain. Sure, you may have some important user-facing objects with unique indices (UserName for users or ...

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Archives



Meaning of MIT license

Suppose I use this ActionScript API released under MIT license to build a software: http://www.cove.org/ape/docs/api/ Can I sell that s ...

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Archives



Why are the and tags deprecated?

This question came up in one of my college classes. The professor only gave the answer that it was more descriptive, but it seems as though <b> and <i> are rat ...

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Archives



Beginning a sentence with a function name?

Occasionally while typing something up that relates to a case-sensitive programming language I end up starting a sentence with a function name. Now the rules of English state that the first word in ...

255
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9
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Archives



What's wrong with comments that explain complex code?

A lot of people claim that "comments should explain 'why', but not 'how'". Others say that "code should be self-documenting" and comments should be scarce. Robert C. Martin claims that (rephrased t ...

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Archives



"Ever change the value of 4?" - how did this come into Hayes-Thomas quiz?

In 1989 Felix Lee, John Hayes and Angela Thomas wrote a Hacker's test taking the form of a quiz with many insider jokes, ...

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Archives



Passing functions into other functions as parameters, bad practice?

We've been in the process of changing how our AS3 application talks to our back end and we're in the process of implementing a REST system to replace our old one. Sadly the developer who st ...

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Archives



When is type testing OK?

Assuming a language with some inherent type safety (e.g., not JavaScript): Given a method that accepts a SuperType, we know that in most cases wherein we might be tempted to pe ...

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Archives



Is making a small change, testing it, then "rinse and repeat", a bad habit?

I am a programmer with a number of years of experience. I realized I got a certain habit. I'm not sure whether it's really a bad habit or not. I get a list of tasks to perform for a solutio ...

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6
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Archives



When would you want two references to the same object?

In Java specifically, but likely in other languages as well: when would it be useful to have two references to the same object? Example: Dog a = new Dog(); Dob b = a; ...

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Archives



Why Increment Pointers?

I just recently started learning C++, and as most people (according to what I have been reading) I'm struggling with pointers. Not in the traditional sense, I understand what they are, and ...

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Archives



Client-side coding: How to prevent malicious use?

Over the last few years, the trend for client-side (browser) applications has really taken off. For my latest project, I have decided to try and move with the times and write a client-side ...

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Archives



Should the commit history be used to convey critical information to developers?

During a meeting regarding the rollback of a third-party SDK from the latest version it was noted that the our developers already flagged in the commit history that the latest version should not be ...

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Archives



Why is there no WSDL type support for Web Api?

So I am just getting started with .Net WebApi and one thing that I am noticing straight away is that there is no Contract defining how the Api looks and should be consumed (Request/Responses from e ...

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Archives



Has there really not been one thing in the past 20 years that provided huge software development gains?

In No Silver Bullet, Fred Brooks makes a variety of predictions about the future of software engineering, best summed up by: There is no single development, in eithe ...

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Archives



In the days of modern computing, in 'typical business apps' - why does performance matter?

This may seem like an odd question to some of you. I'm a hobbyist Java programmer. I have developed several games, an AI program that creates music, another program for painting, and simila ...

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Archives



Why can't we use IP address instead of cookies in identifying the client in servlets?

I know we have some extra advantages in using the cookies over IP address, but my question is Why can't the container just remember the IP address of the client in identifying the client when he vi ...

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4
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Archives



Why do people nowadays use factory classes so often?

I've seen the history of several С#/Java class library projects on GitHub and CodePlex, and it seems like a trend. Why do people nowadays use factory classes so often for almost everythi ...

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7
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Archives



Is there anything groundbreaking about NoSQL?

I am a very solid Relational Database guy and understand all the way to 3rd normal form, appreciate the algebraic set theory roots of SQL, and can probably relationalize a broken heart (or not). ...

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Archives



Is there any logical reason to auto-generate code documentation?

Automatic documentation generation can be done with a variety of tools, GhostDoc being one of the more prominent. However, by definition, everything it generates is redundant. It takes a look at ...

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Archives



How do you track what you and your team are working on day-to-day?

I'm struggling with how to keep track of what myself and people on my team actually do each day. I get a good broad picture by going over completed cards each week and stand-ups help a bit, but I f ...

102
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9
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Archives



Name for this type of parser, OR why it doesn't exist

Conventional parsers consume their entire input and produce a single parse tree. I'm looking for one that consumes a continuous stream and produces a parse forest [edit: see discussion in comm ...

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Archives



Ship of Theseus applied to GPL - Can I relicense my program if I replace all of the derivative parts?

I translated a GPLv2 C program to Python, but found it was hard to extend as designed and rewrote significant portions of it. The program is now structura ...

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Archives



Algorithms: How do I sum O(n) and O(nlog(n)) together?

I have the follow algorithm which finds duplicates and removes them: public static int numDuplicatesB(int[] arr) { Sort.mergesort(arr); int numDups = 0; for (int i = 1; ...

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Archives



Why is reading from memory not a side-effect but reading from a file is?

What does exactly make reading from the process memory a pure operation? Suppose I created an array of 100 integers in the global memory and then took the 42th element of this array. It is not a si ...

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Archives



Why should your code not use 100% CPU?

I'm speaking specifically about a C# .NET 4 program running on Windows XP or higher, but general answers are also acceptable. Assume an already optimized and efficient program. The problem ...

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10
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Archives



Why are floating point numbers used often in Science/Engineering?

While investigating the accuracy of floating point numbers, I've seen in a few places a statement similar to "float and double are (designed for/used often in ...

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Code that converts a value into a different representation, then converts it back to where it started is bad, but how?

I was reading an article about bad programming practices. It mentioned - "Yo-Yo code" tha ...

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6
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Archives



How to break up a programming project into tasks for other developers?

I have recently joined a development project and was suddenly given the job of lead developer. My primary responsibility is to break up the programming part of the project into tasks, give these ta ...

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6
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Archives



Why is it so bad to read data from a database "owned" by a different microservice

I have recently read this excellent article on the microservice architecture: http://www.infoq.com/articles/microservices-intro ...

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3
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Archives



Name/Fix for Production Code Whose Sole Purpose is to Facilitate Testing?

The linked "duplicate" question is an iffy match at best, because it's asking is pattern X OK (YES/NO) and I'm clearly al ...

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Archives



What did people do before templates in C++?

I am not new to programming, but I am one that started a few years ago, and I do love templates. But in the before times, how did people deal with situations where they needed compile-time ...

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Is it good practice to rely on headers being included transitively?

I'm cleaning up the includes in a C++ project I'm working on, and I keep wondering whether or not I should explicitly include all headers used directly in a particular file, or whether I should onl ...

146
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7
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Archives



Why design a modern language without an exception-handling mechanism?

Many modern languages provide rich exception handling features, but Apple's Swift programming language ...

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5
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Archives



Do we need to test 32-bit software in 64-bit Windows?

I'm working in a software development team as software developer. I've been working on the same project for three years now. The software is a 32-bit desktop based C# application in .NET 4. Our tar ...

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Archives



Why do most programming languages have special keyword or syntax for declaring functions?

Most programming languages (both dynamically and statically typed languages) have special keyword and/or syntax that looks much different than declaring variables for declaring functions. I see fun ...

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Is there a good reason to make pure functions non-public?

I had a little debate going on with a coworker. Simply put, is there a good reason to hide/encapsulate functions that are pure? By "pure" I mean the ...

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