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Is there a performance difference between i++ and ++i in C?

Is there a performance difference between i++ and ++i if the resulting value is not used? 14 Answers ...
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How to validate phone numbers using regex

I'm trying to put together a comprehensive regex to validate phone numbers. Ideally it would handle international formats, but it must handle US formats, including the following: ...
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PHP: Convert any string to UTF-8 without knowing the original character set, or at least try

I have an application that deals with clients from all over the world, and, naturally, I want everything going into my databases to be UTF-8 encoded. ...
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How to automatically generate N “distinct” colors?

I wrote the two methods below to automatically select N distinct colors. It works by defining a piecewise linear function on the RGB cube. The benefit of this is you can also get a progressive scale if that's what you want, but when N gets large the colors can start to look similar. I can also imagi...
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Amazon S3 direct file upload from client browser - private key disclosure

I'm implementing a direct file upload from client machine to Amazon S3 via REST API using only JavaScript, without any server-side code. All works fine but one thing is worrying me... ...
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How can I take more control in ASP.NET?

I'm trying to build a very, very simple "micro-webapp" which I suspect will be of interest to a few Stack Overflow'rs if I ever get it done. I'm hosting it on my C# in Depth site, which is vanilla ASP.NET 3.5 (i.e. not MVC). ...
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Reference - What does this error mean in PHP?

This is a number of answers about warnings, errors, and notices you might encounter while programming PHP and have no clue how to fix them. This is also a Community Wiki, so everyone is invited to participate adding to and maintaining this list. ...
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Appending a vector to a vector [duplicate]

Assuming I have 2 standard vectors: 4 Answers 4 ...
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What does FETCH_HEAD in Git mean?

git pull --help says: 6 Answers 6 ...
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Task vs Thread differences [duplicate]

I'm new to parallel programming. There are two classes available in .NET: Task and Thread . 4 Answers ...