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How to manually send HTTP POST requests from Firefox or Chrome browser?

I want to test some URLs on a web application I'm working on. For that I would like to manually create HTTP POST requests (meaning I can add whatever parameters I like). ...
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Is std::vector so much slower than plain arrays?

I've always thought it's the general wisdom that std::vector is "implemented as an array," blah blah blah. Today I went down and tested it, and it seems to be not so: ...
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The name does not exist in the namespace error in XAML

Using VS2012 working on a VB.NET WPF application. I have a simple MusicPlayer tutorial app I am using to learn WPF. I am converting a C# version of the tutorial to VB.NET step by step. ...
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Using scanf() in C++ programs is faster than using cin?

I don't know if this is true, but when I was reading FAQ on one of the problem providing sites, I found something, that poke my attention: ...
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The purpose of Model View Projection Matrix

For what purposes are we using Model View Projection Matrix? Why do shaders require Model View Projection Matrix? 2 Answers...
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Is it possible to figure out the parameter type and return type of a lambda?

Given a lambda, is it possible to figure out it's parameter type and return type? If yes, how? 4 Answers ...
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Create PostgreSQL ROLE (user) if it doesn't exist

How do I write an SQL script to create a ROLE in PostgreSQL 9.1, but without raising an error if it already exists? 10 Answ...
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Different bash prompt for different vi editing mode?

When using vi mode (set -o vi) with Bash, it would be nice to have a prompt that depends on the mode you are currently in (insert or command). How does one find out this editing mode? ...
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How do I concatenate const/literal strings in C?

I'm working in C, and I have to concatenate a few things. 17 Answers 17 ...