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hash function for string
...e is roughly 2x the expected number of elements to be stored in the table. Allocating much more than that will make your hash table faster but at rapidly diminishing returns, making your hash table smaller than that will make it exponentially slower. This is because there is a non-linear trade-off b...
Apache and Node.js on the Same Server
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Great question!
There are many websites and free web apps implemented in PHP that run on Apache, lots of people use it so you can mash up something pretty easy and besides, its a no-brainer way of serving static content. Node is fast, powerful, elegant, and a sexy tool with the raw power of V8 and...
Why should I care that Java doesn't have reified generics?
...++ templates give you complete type safety, read this: kdgregory.com/index.php?page=java.generics.cpp
– kdgregory
Dec 18 '09 at 14:47
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What are the effects of exceptions on performance in Java?
... way to avoid the "rock and hard place" choice you present here, is to pre-allocate an object that represents "success". Usually one can also pre-allocate objects for the common failure cases. Then only in the rare case of passing back additional detail, is a new object created. (This is the OO equi...
How to run a PowerShell script without displaying a window?
... Hidden
You can also do this with VBScript: http://blog.sapien.com/index.php/2006/12/26/more-fun-with-scheduled-powershell/
Schedule Hidden PowerShell Tasks (Internet Archive)
More fun with scheduled PowerShell (Internet Archive)
(Via this forum thread.)
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Cannot import the keyfile 'blah.pfx' - error 'The keyfile may be password protected'
...al Studio 2010 for assembly signing: “An attempt was made to reference a token that does not exist”.
– Peter Mortensen
Aug 30 '13 at 18:50
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Why do we copy then move?
... a raw C string, a std::string will be constructed, then copied again: two allocations.
There is the C++03 method of taking a reference to a std::string, then swapping it into a local std::string:
struct S
{
std::string data;
S(std::string& str)
{
std::swap(data, str);
}
};
that...
How to decompile an APK or DEX file on Android platform? [closed]
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APK Decompiler App for Windows
http://forum.xda-developers.com/showthread.php?t=2493107
Update 2015/12/04
ClassyShark you can open APK/Zip/Class/Jar files and analyze their contents.
https://github.com/google/android-classyshark
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Format bytes to kilobytes, megabytes, gigabytes
... return round($bytes, $precision) . ' ' . $units[$pow];
}
(Taken from php.net, there are many other examples there, but I like this one best :-)
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Prevent any form of page refresh using jQuery/Javascript
...e else while the WebSocket is connected, so you should be able to assign a token to that user, and clear it once the socket closes. But, it's hacking around the expected behavior of the user agent, so it's probably bad UX. I can think of extremely few cases where something like this would be appropr...