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When should one use a spinlock instead of mutex?
...-spin-locks-good-choices-in-linux-kernel-design-instead-of-something-more
Info on dispatching on windows systems:
http://download.microsoft.com/download/e/b/a/eba1050f-a31d-436b-9281-92cdfeae4b45/IRQL_thread.doc
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How to have comments in IntelliSense for function in Visual Studio?
...ecommended Tags for Documentation Comments (C# Programming Guide) for more info on the structured content you can include in these comments.
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Check whether user has a Chrome extension installed
... from stackoverflow.com/a/9216924/1504300, IMHO adds some pretty important informations such as exposing the resource in the extension and the fact that you can use an ajax request for checking for existence (Image object seems available only on HTML5 if I'm not wrong goo.gl/HBeI1i). With the info i...
Checking Bash exit status of several commands efficiently
...ch file or directory\nerror with ls\n you become distracted by superfluous information. In this case, It is easy enough to argue that the superfluity is trivial, but it quickly grows. Concise error messages are important. But more importantly, this type of wrapper encourages too writers to comple...
How to 'insert if not exists' in MySQL?
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Just to inform everyone. Using INSERT … ON DUPLICATE KEY UPDATE method does increment any AUTO_INCREMENT column with failed insert. Probably because it's not really failed, but UPDATE'd.
– not2qubit
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...e passed a Hex or RGB color and it returns an object containing this color information. Its in the form: {r: XXX, g: XXX, b: XXX, a: X.XXX}. Where .r, .g, and .b have range 0 to 255. And when there is no alpha: .a is -1. Otherwise: .a has range 0.000 to 1.000.
For RGB output, it outputs rgba() over ...
Understanding the Gemfile.lock file
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However, since Gemfile.lock is a snapshot of Gemfile, which means all its information should come from Gemfile (or from default value if not specified in Gemfile).
For GEM, it lists all the dependencies you introduce directly or indirectly in the Gemfile. remote under GEM tells where to get the ge...
How can I get the full object in Node.js's console.log(), rather than '[Object]'?
...pect() directly.
Details below.
console.log() (and its alias, console.info()):
If the 1st argument is NOT a format string: util.inspect() is automatically applied to every argument:
o = { one: 1, two: 'deux', foo: function(){} }; console.log(o, [1,2,3]) // -> '{ one: 1, two: 'deux', foo...
Relation between CommonJS, AMD and RequireJS?
...turn the module immediately. This does not work well in the browser". More info here.
– msenni
Jan 6 '15 at 11:50
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CSS selector for first element with class
...ass="red">fourth</p>
</div>
Credits to Martyn. More infos for example here. Be aware that this is a CSS 3 selector, therefore not all browsers will recognize it (e.g. IE8 or older).
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