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Why prefer two's complement over sign-and-magnitude for signed numbers?
...be added. Since you want the most basic operations (addition, subtraction, etc) to be as fast as possible, you need to store numbers in a way that lets you use the simplest algorithms possible.
Additionally, in the "intuitive" storage method, there are two zeroes:
0000 "zero"
1000 "negative zero...
Hash and salt passwords in C#
... | ((uint)(buffer[offset + 3]));
}
Note this requires Microsoft.AspNetCore.Cryptography.KeyDerivation nuget package installed which requires .NET Standard 2.0 (.NET 4.6.1 or higher). For earlier versions of .NET see the Crypto class from Microsoft's System.Web.Helpers library.
Update Nov 201...
How to get all child inputs of a div element (jQuery)
...
var i = $("#panel input");
should work :-)
the > will only fetch direct children, no children's children
the : is for using pseudo-classes, eg. :hover, etc.
you can read about available css-selectors of pseudo-classes here: http://docs.jquery.com/DOM/Traversing/Selectors#CSS_Selector...
Fastest way to check if a string is JSON in PHP?
...pecify it as a string or a true number. 6.5 = true, '300' = true, 9 = true etc. So this might be a valid JSON value but the function might not behave as you expect, if you want to check only for valid JSON strings with {} or [];
– BadHorsie
Feb 25 '14 at 16:57
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Run a JAR file from the command line and specify classpath
...t's for internal use (ie, you expect the user to have some technical skill etc.) you can just ask that step 1, before attempting to run the jar, is to run unzip MyJar.jar lib/*.jar. Then, as you suggest, they can run java -cp MyJar.jar:lib/* ...
– Roger
Oct 31 ...
How to prevent browser page caching in Rails
... this for all responses, e.g. to pass a penetration test (BURP, Detectify, etc.), you can install this Gem on Rails 4+ in order to add the following headers to all responses:
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
Expires: -1
Works like a charm and is reall...
How to process POST data in Node.js?
... <input type="submit" value="Submit">
</form>
API client:
fetch('/', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
user: {
name: "John",
email: "john@example.com"
}
})
});
...
maven-dependency-plugin (goals “copy-dependencies”, “unpack”) is not supported by m2e
...
If copy-dependencies, unpack, pack, etc., are important for your project you shouldn't ignore it. You have to enclose your <plugins> in <pluginManagement> tested with Eclipse Indigo SR1, maven 2.2.1
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Add custom icons to font awesome
...you can then convert to all the relevant font formats (svg, truetype, woff etc).
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Complex nesting of partials and templates
...t's much more close to the Angular ideology instead of using ui-router and etc. Thanks.
– Sergei Panfilov
Nov 7 '13 at 5:09
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