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if else statement in AngularJS templates

... Angularjs (versions below 1.1.5) does not provide the if/else functionality . Following are a few options to consider for what you want to achieve: (Jump to the update below (#5) if you are using version 1.1.5 or greater) 1. Ternary operator: As suggested by @Kirk in the comm...
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Implicit type conversion rules in C++ operators

...C++ operators (for POD types) always act on objects of the same type. Thus if they are not the same one will be promoted to match the other. The type of the result of the operation is the same as operands (after conversion). If either is long double the other is promoted to long...
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Check if element exists in jQuery [duplicate]

How do I check if an element exists if the element is created by .append() method? $('elemId').length doesn't work for me. ...
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Test if a command outputs an empty string

How can I test if a command outputs an empty string? 11 Answers 11 ...
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How can I check if a command exists in a shell script? [duplicate]

I am writing my first shell script. In my script I would like to check if a certain command exists, and if not, install the executable. How would I check if this command exists? ...
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How can I check if a single character appears in a string?

... You can use string.indexOf('a'). If the char a is present in string : it returns the the index of the first occurrence of the character in the character sequence represented by this object, or -1 if the character does not occur. ...
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If vs. Switch Speed

Switch statements are typically faster than equivalent if-else-if statements (as e.g. descibed in this article ) due to compiler optimizations. ...
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Check if object exists in JavaScript

How do I verify the existence of an object in JavaScript? 18 Answers 18 ...
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How do I drop a function if it already exists?

...imple, but how do I preface the creation of a function with a check to see if it already exists? If it exists, I want to drop and re-create it. ...
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How do I compare two string variables in an 'if' statement in Bash? [duplicate]

I'm trying to get an if statement to work in Bash (using Ubuntu ): 12 Answers 12 ...