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How do I remove objects from a JavaScript associative array?

...tances of Array, if you do not want to create a sparsely populated array - and you usually don't - then you should use Array#splice or Array#pop. Note that the delete operator in JavaScript does not directly free memory. Its purpose is to remove properties from objects. Of course, if a property bei...
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Ruby class types and case statements

... the problem. This should probably be pointed out more often in tutorials and such (but I bet that many tutorial writers aren't aware of this either). – Daisy Sophia Hollman Oct 13 '10 at 13:28 ...
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How do I update all my CPAN modules to their latest versions?

...ve method to using upgrade from the default CPAN shell is to use cpanminus and cpan-outdated. These are so easy and nimble to use that I hardly ever go back to CPAN shell. To upgrade all of your modules in one go, the command is: cpan-outdated -p | cpanm I recommend you install cpanminus like th...
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Difference between python3 and python3m executables

What is the difference between the /usr/bin/python3 and /usr/bin/python3m executibles? 1 Answer ...
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Superscript in markdown (Github flavored)?

... to write O(n^2) sensibly, I would just type O(n<sup>2</sup>), and it would appear as O(n<sup>2</sup>). Nice. Now why didn't that work on SO markdown? – phonetagger Apr 2 '15 at 17:19 ...
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Set value of textarea in jQuery

... val does take the time to make sure the value you're setting is a string, and attr seems to do a bit more magic overall. – enobrev Jan 6 '09 at 6:31 63 ...
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CSS file not opening in Visual Studio 2010 SP1?

... I found the solution from here: I was having the same issue and found that by going to the Tools -> Extension Manager -> Online Gallery and search for/install the "Web Standards Update for Microsoft Visual Studio 2010 sp1" I was able to open CSS files again. And it worked for ...
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Can a C++ enum class have methods?

I have an enum class with two values, and I want to create a method which receives a value and returns the other one. I also want to maintain type safety(that's why I use enum class instead of enums). ...
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Command-line svn for Windows?

Is there a command-line based version of svn for Windows? I know I can get TortoiseSVN, but that just doesn't work for me. ...
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What is the maximum size of a web browser's cookie's key?

...ant to support most browsers, I suggest keeping the name under 4000 bytes, and the overall cookie size under 4093 bytes. One thing to be careful of: if the name is too big you cannot delete the cookie (at least in JavaScript). A cookie is deleted by updating it and setting it to expire. If the name...