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How to 'insert if not exists' in MySQL?
...… ON DUPLICATE KEY UPDATE syntax, you can find explanations on dev.mysql.com
Post from bogdan.org.ua according to Google's webcache:
18th October 2007
To start: as of the latest MySQL, syntax presented in the title is not
possible. But there are several very easy ways to accomplish w...
400 BAD request HTTP error code meaning?
... There is a decent set of REST response codes at restapitutorial.com/httpstatuscodes.html. It may also depend on how you want to handle a valid request such as a 406 (Not Acceptable) or 405 method not allowed. However, 400 is appropriate because "The request could not be understood by the...
How does Google calculate my location on a desktop?
... wifi presence. Every time a query is performed to the system (probably in compliance with the W3C draft for the geolocation API) your computer sends the wifi identifiers it sees, and the system does two things:
queries its database if geolocation exists for some of the wifis you passed, and retur...
How/when to use ng-click to call a route?
...ome</a>
<a href="#/about">Go to About</a>
Nothing more complicated is needed. If, however, you must do this from code, the proper way is by using the $location service:
$scope.go = function ( path ) {
$location.path( path );
};
Which, for example, a button could trigger:
&l...
PHP大潮将至 PHP近年发展分析 - 创意 - 清泛网 - 专注C/C++及内核技术
...PHP的工程师需求量都大幅度提高。PHP在国内的官方PHPChina.com网站透露，目前的在京PHP工程师的待遇的平均值可以比ASP工程师的高出一倍。
那么，为什么PHP可以在近年来发展如此迅速呢。其实跟Web的迅猛发展是紧密联系在一起的...
iOS 7 style Blur view
...e able to modify something like Bin Zhang's RWBlurPopover to do this. That component uses my GPUImage to apply a Gaussian blur to components underneath it, but you could just as easily use a CIGaussianBlur for the same. GPUImage might be a hair faster though.
That component relies on you being able...
Multiprocessing: How to use Pool.map on a function defined in a class?
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How to check if NSString begins with a certain character
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^^ See my question here: stackoverflow.com/questions/18019660/…
– adamdehaven
Aug 2 '13 at 14:40
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Is there a Google Voice API? [closed]
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Best Practice for Forcing Garbage Collection in C#
...ards to freeing up memory / garbage collection etc:
http://msdn.microsoft.com/en-us/library/66x5fx1b.aspx
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