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How to encrypt/decrypt data in php?

...se of mcrypt can be found in this manual. A list of cipher definitions to select the cipher mcrypt uses also exists. A wiki on Blowfish can be found at Wikipedia. A block cipher encrypts the input in blocks of known size and position with a known key, so that the data can later be decrypted using...
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What does “use strict” do in JavaScript, and what is the reasoning behind it?

...ges. In C, an extremely unfortunate representation of octalness was selected: Leading zero. So in C, 0100 means 64, not 100, and 08 is an error, not 8. Even more unfortunately, this anachronism has been copied into nearly all modern languages, including JavaScript, where it is only used...
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How to remove/ignore :hover css style on touch devices

...et.rules.length - 1; ri >= 0; ri--) { if (!styleSheet.rules[ri].selectorText) continue; if (styleSheet.rules[ri].selectorText.match(':hover')) { styleSheet.deleteRule(ri); } } } } catch (ex) {} } Limitations: stylesheets must be hosted on the same ...
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Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k

... +1; I've tried the formula in Maple for select numbers and it works. I still couldn't convince myself WHY it works, though. – polygenelubricants Aug 16 '10 at 11:12 ...
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How to add an Access-Control-Allow-Origin header

...for the file scroll down to the file click the cog icon click Edit Headers select Access-Control-Allow-Origin add the single character '*' (without the quotes) hit enter repeat for the other files If you need to continue and do #2, then you'll need a command line with CURL curl -D - --header "X-A...
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Using WebAPI or MVC to return JSON in ASP.NET

...Javascript calls. For example: You have a JQuery UI Datepicker that upon selection generates a list of radio buttons that represent events on the chosen day. In this scenario, you could use WebApi to return some JSON and then generate the necessary HTML using Javascript but generally it's bad pra...
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foreach vs someList.ForEach(){}

...INQ extension method that is more specific than ForEach(). See if Where(), Select(), Any(), All(), Max() or one of the many other LINQ methods doesn't already do what you want from the loop. share | ...
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Why is it bad style to `rescue Exception => e` in Ruby?

...IFT-ESC), go to the "processes" tab, find your process, right click it and select "End process". If you are working with someone else's program which is, for whatever reason, peppered with these ignore-exception blocks, then putting this at the top of the mainline is one possible cop-out: %W/INT Q...
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Debug vs Release in CMake

... CXX) Would compile .c files with g++. The link above also shows how to select a specific compiler for C/C++. share | improve this answer | follow | ...
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How to secure an ASP.NET Web API [closed]

... someCode = (from h in actionContext.Request.Headers where h.Key == "demo" select h.Value.First()).FirstOrDefault(); return someCode == "myCode"; } catch (Exception) { return false; } } } And in your controller: [DemoAuthorize] public cl...