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What integer hash function are good that accepts an integer hash key?

...ld pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly. Edit: The biggest disadvantage of this hash function is that it preserves divisibility, so if your integers are all d...
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How can I implement an Access Control List in my Web MVC application?

...r" would be a service, which might knit together some domain object with a PHPMailer or SwiftMailer, or your own mail-sender component. Another source of services are abstraction on to on domain and data access layers. They are created to simplify the code used by controllers. For example: creating...
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get current url in twig template?

... @GateKiller This made my Functional Test Fail: Uncaught PHP Exception PHPUnit_Framework_Error_Notice: "Undefined index: REQUEST_URI" – Robin Aug 15 '14 at 10:18 ...
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How to disallow temporaries

...he OP's problem at all? You can still write Foo::create(); over Foo const & x = Foo::create(); – Thomas Eding Oct 31 '12 at 21:23 ...
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configure: error: Unable to find gd.h anywhere under /usr/local/gd - ...

configure: error: Unable to find gd.h anywhere under /usr/local/gd安装php时出现configure: error: Unable to find gd.h anywhere under,错误解决在进行PHP开发环境源码安装时,在安装PHP-5.2.6是出...安装php时出现configure: error: Unable to find gd.h anywhere under,错误...
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Tools to selectively Copy HTML+CSS+JS From A Specific Element of DOM [closed]

...o much for the effort, but what if i want to get the node element with the php function 'file_get_contents($url)', is there any solution, here is my post : stackoverflow.com/questions/21419857/… – Yassine edouiri Jan 29 '14 at 17:37 ...
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计算统计特征(正态分布)函数及实例 - C/C++ - 清泛网 - 专注C/C++及内核技术

...AX_VAR; double _ave; //double _var; double _sam_stdev; double _all_stdev; double _sum; double _sum_2; int _count; double _min_v; double _max_v; StdevInfo() : _ave(0.0) //, _var(MAX_VAR) , _sam_stdev(sqrt(MAX_VAR)) , _all_stdev(0.0) , _sum(0.0) ...
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How to count total lines changed by a specific author in a Git repository?

...awk 'BEGIN {name=""; files=0; insertions=0; deletions=0;} {if ($1 != name && name != "") { print name ": " files " files changed, " insertions " insertions(+), " deletions " deletions(-), " insertions-deletions " net"; files=0; insertions=0; deletions=0; name=$1; } name=$1; files+=$2; insert...
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?

...ing in Mongo itself, it is possible to have duplicate _id's generated with PHP in Mongo. The use-case where this has happened with regularity for me is when I'm looping through a dataset and attempting to inject the data into a collection. The array that holds the injection data must be explicitl...
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How to do a Jquery Callback after form submit?

...mit(function() { $.ajax({ type: "POST", url: "form_handler.php", data: $(this).serialize(), success: function() { // callback code here } }) }) }) </script> share ...