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What does ':' (colon) do in JavaScript?
I'm learning JavaScript and while browsing through the jQuery library I see : (colon) being used a lot. What is this used for in JavaScript?
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How to remove elements from a generic list while iterating over it?
...er pattern for working with a list of elements which each need processed and then depending on the outcome are removed from the list.
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...L is always power of 2.
The six comes from fact that 2^6 == 64 bytes is standard size of cache line.
Now what does this mean? Well it means that if I have address X and address Y and
(X >> 6) - (Y >> 6) is divisible by L (i.e. some large power of 2), they will be stored in the same ca...
Find files containing a given text
In bash I want to return file name (and the path to the file) for every file of type .php|.html|.js containing the case-insensitive string "document.cookie" | "setcookie"
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What are the underlying data structures used for Redis?
...every Redis operation you'll find the time complexity in the documentation and, if you have the set of operations and the time complexity, the only other thing you need is some clue about memory usage (and because we do many optimizations that may vary depending on data, the best way to get these la...
Save and load MemoryStream to/from a file
I am serializing an structure into a MemoryStream and I want to save and load the serialized structure.
9 Answers
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Where does Jenkins store configuration files for the jobs it runs?
...itself is kept on an EC2 machine - one that might need to be taken offline and brought back on an entirely different EC2 instance at any point. We have a bunch of Puppet manifests allowing us to easily reinstall the software on the EC2 instance, but custom configuration files, like the ones for the ...
How do I get the directory that a program is running from?
Is there a platform-agnostic and filesystem-agnostic method to obtain the full path of the directory from where a program is running using C/C++? Not to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
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Array vs. Object efficiency in JavaScript
I have a model with possibly thousands of objects. I was wondering what would be the most efficient way of storing them and retrieving a single object once I have it's id. The id's are long numbers.
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How to use subprocess popen Python
...ata. A clever attacker can modify the input to access arbitrary system commands. E.g. by inputting filename.swf; rm -rf / for the value of filename. However, this is only a problem, when the contents of your argument to Popen is insecure.
– Hans Then
Sep 26 '12...