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opengl: glFlush() vs. glFinish()

...rouble distinguishing the practical difference between calling glFlush() and glFinish() . 8 Answers ...
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C++: what regex library should I use? [closed]

... Boost.Regex is very good and is slated to become part of the C++0x standard (it's already in TR1). Personally, I find Boost.Xpressive much nicer to work with. It is a header-only library and it has some nice features such as static regexes (regexes ...
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Best practice for creating millions of small temporary objects

What are the "best practices" for creating (and releasing) millions of small objects? 13 Answers ...
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Smart pointers: who owns the object? [closed]

...a 'slave' for a shared_ptr, can't deallocate auto_ptr - when the creation and deallocation happen inside the same function, or when the object has to be considered one-owner-only ever. When you assign one pointer to another, the second 'steals' the object from the first. I have my own implementati...
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How do you match only valid roman numerals with a regular expression?

...L|L?X{0,3})(IX|IV|V?I{0,3})$ Breaking it down, M{0,4} specifies the thousands section and basically restrains it to between 0 and 4000. It's a relatively simple: 0: <empty> matched by M{0} 1000: M matched by M{1} 2000: MM matched by M{2} 3000: MMM matched by M{3} 4000:...
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Best way to merge two maps and sum the values of same key?

I want to merge them, and sum the values of same keys. So the result will be: 15 Answers ...
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write a shell script to ssh to a remote machine and execute commands

... There are multiple remote linux machines, and I need to write a shell script which will execute the same set of commands in each machine. (Including some sudo operations). How can this be done using shell scripting? You can do this with ssh, for example: #!/bin/ba...
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How to fix HTTP 404 on Github Pages?

...h-pages branch. Everything looks good, I have my index.html , my CSS, JS and pictures folders. 30 Answers ...
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Is PHP compiled or interpreted?

...HP is compiled, but the PHP itself is interpreted. – Andrew Song Oct 3 '09 at 20:03 5 But why its...
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How to explain callbacks in plain english? How are they different from calling one function from ano

...on will set this variable with the information about function to be called and will call the function using the same variable. In javascript, the example is below. Here we use method argument as a variable where we store information about function. function processArray(arr, callback) { var re...