tagged [if-statement]

Are double square brackets [[ ]] preferable over single square brackets [ ] in Bash?

Are double square brackets [[ ]] preferable over single square brackets [ ] in Bash? A coworker claimed recently in a code review that the `[[ ]]` construct is to be preferred over `[ ]` in constructs...

21 Jan at 15:19

if...else within JSP or JSTL

if...else within JSP or JSTL I want to output some HTML code based on some condition in a JSP file. How can I do that? Should I use JSTL?

13 Jul at 13:47

Check if a variable is between two numbers with Java

Check if a variable is between two numbers with Java I have a problem with this code: ``` if (90 >>= angle = The left-hand side of an assignment must be a variable. I understand what this means but ho...

13 Feb at 19:23

if statements matching multiple values

if statements matching multiple values Any easier way to write this if statement? `if (value==1 || value==2)` For example... in SQL you can say `where value in (1,2)` instead of `where value=1 or valu...

29 Jul at 11:21

How should I rewrite a very large compound if statement in C#?

How should I rewrite a very large compound if statement in C#? In my C# code, I have an if statement that started innocently enough: It's growing. I think there must be 20 clauses in it now. How I be ...

C# if statement shorthand operators (? :) results in unreachable code

C# if statement shorthand operators (? :) results in unreachable code Why do I get this warning in C# with Visual Studio 2010? from the following code (`DateTime.Now` underlined in green squiggly): ``...

17 Aug at 18:40

jQuery check if attr = value

jQuery check if attr = value I seem to be having trouble with my code. I need to say: When I check the console, I just get an error telling me this isn't a function. Help would be appreciated. Thanks,

Assignment in an if statement

Assignment in an if statement I have a class `Animal`, and its subclass `Dog`. I often find myself coding the following lines: For the variable `Animal animal;`. Is there some syntax that allows me to...

18 Oct at 19:23

Using multiple IF statements in a batch file

Using multiple IF statements in a batch file When using more than 1 IF statement, is there a special guideline that should be followed? Should they be grouped? Should I use parenthesis to wrap the com...

15 Jul at 18:29

Method with a bool return

Method with a bool return I was making a method with a `bool` return value and I had a problem: This works But this dosn't, the method can't detect a return value if it's in a IF-statement. How can I ...

27 Sep at 15:24

break out of if and foreach

break out of if and foreach I have a foreach loop and an if statement. If a match is found i need to ultimately break out of the foreach.

13 Jul at 14:34

Else clause on Python while statement

Else clause on Python while statement I've noticed the following code is legal in Python. My question is why? Is there a specific reason? --- `if``else``while``for``else``else``if`[I'm getting an Inde...

12 Aug at 05:28

Redundant comparison & "if" before assignment

Redundant comparison & "if" before assignment Here is the example: I mean, if we assign the value of a variable to another one, why would we need to check if they have anyway the same value? That conf...

22 Mar at 20:30

Check if a value is within a range of numbers

Check if a value is within a range of numbers I want to check if a value is in an accepted range. If yes, to do something; otherwise, something else. The range is `0.001-0.009`. I know how to use mult...

31 Jan at 15:36

C# (If < or If >) vs Math.Sign

C# (If ) vs Math.Sign Might be a silly question, but is there any reason to use Math.Sign? Is there a speed/optimization thing with using Math.Sign rather than just using an if statement? Perhaps just...

12 Mar at 18:42

Confusing If Statement?

Confusing If Statement? I always use If statement (In C#) as (1. Alternative); I know that there is no need to write "== true" as (2. Alternative)); But, I use it because it is more readable and cause...

30 Aug at 10:26

How to do a logical OR operation for integer comparison in shell scripting?

How to do a logical OR operation for integer comparison in shell scripting? I am trying to do a simple condition check, but it doesn't seem to work. If `$#` is equal to `0` or is greater than `1` then...

23 Feb at 13:4

If...Then...Else with multiple statements after Then

If...Then...Else with multiple statements after Then a very easy question: considering an `If...Then...Else` instruction in VBA, how can I separate multiple instructions after `Then`? In other words, ...

Multiple conditions in if statement shell script

Multiple conditions in if statement shell script I would like to know whether it is possible to have more than two statements in an `if` statement when you are writing a shell script? T

Negate if condition in bash script

Negate if condition in bash script I'm stuck at trying to negate the following command: This if condition returns true if I'm connected to the internet. I want it to happen the other way around but pu...

29 Dec at 01:16

WPF Checkbox check IsChecked

WPF Checkbox check IsChecked I'm not talking about an event handler for this, but rather a simple `If Statement` checking if the `CheckBox` has been checked. So far I have: But that raises the error: ...

5 Aug at 03:5

How do write IF ELSE statement in a MySQL query

How do write IF ELSE statement in a MySQL query How do I write an IF ELSE statement in a MySQL query? Something like this: Then down in my array I should be able to do this: ``` $row['state'] //this s...

7 Dec at 06:23

IF a cell contains a string

IF a cell contains a string How can I assign a value to cells if it's neighbour contains a specific string? For example, fields in column A: The syntax in column B would be: It always picks up the fir...

5 Sep at 23:44

How to implement if-else statement in XSLT?

How to implement if-else statement in XSLT? I am trying to implement an if -else statement in XSLT but my code just doesn't parse. Does anyone have any ideas? ``` date: $IDAppendedDate"> moo

28 Jul at 00:6

add 0 before number if < 10

add 0 before number if

22 Aug at 13:44