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what is “strict mode” and how is it used?
I've been looking over the JavaScript reference on the Mozilla Developer Network, and I came across something called "strict mode" . I read it over and I'm having trouble understanding what it does. Can someone briefly explain (in general) what its purpose is and how it is useful?
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Where is the “Create Unit Tests” selection?
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This feature was cut from VS.
http://blogs.msdn.com/b/visualstudioalm/archive/2012/03/08/what-s-new-in-visual-studio-11-beta-unit-testing.aspx
Generate Unit Test Wizard – In VS2010 you could right click on a
method in your code and we would generate a un...
Visual Studio hot keys change occasionally, specifically F6 vs Ctrl-Shift-B for building. WHY?
I always press F6 to build my project. Suddenly some of my Visual Studio instances are wanting me to use Ctrl - Shift - B . It's not keyboard related - the actual text of the menu option changes from " F6 " to " Ctrl - Shift - B ".
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Create a custom callback in JavaScript
All I need to do is to execute a callback function when my current function execution ends.
10 Answers
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How do you get assembler output from C/C++ source in gcc?
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Use the -S option to gcc (or g++).
gcc -S helloworld.c
This will run the preprocessor (cpp) over helloworld.c, perform the initial compilation and then stop before the assembler is run.
By default this will output a file helloworld.s. The out...
How to initialize private static members in C++?
What is the best way to initialize a private, static data member in C++? I tried this in my header file, but it gives me weird linker errors:
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How to insert element into arrays at specific position?
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array_slice() can be used to extract parts of the array, and the union array operator (+) can recombine the parts.
$res = array_slice($array, 0, 3, true) +
array("my_key" => "my_value") +
array_slice($array, 3, count($array)-3, tru...
How to rename with prefix/suffix?
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In Bash and zsh you can do this with Brace Expansion. This simply expands a list of items in braces. For example:
# echo {vanilla,chocolate,strawberry}-ice-cream
vanilla-ice-cream chocolate-ice-cream strawberry-ice-cream
So...
What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]
What is the difference between parseInt(string) and Number(string) in JavaScript?
6 Answers
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adding multiple entries to a HashMap at once in one statement
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You can use the Double Brace Initialization as shown below:
Map<String, Integer> hashMap = new HashMap<String, Integer>()
{{
put("One", 1);
put("Two", 2);
put("Three", 3);
}};
As a piece of warning, please refer to t...