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Calculating frames per second in a game

What's a good algorithm for calculating frames per second in a game? I want to show it as a number in the corner of the screen. If I just look at how long it took to render the last frame the number changes too fast. ...
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How do I check if a file exists in Java?

The only similar question on SO deals with writing the file and was thus answered using FileWriter which is obviously not applicable here. ...
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Assign output of a program to a variable using a MS batch file

I need to assign the output of a program to a variable using a MS batch file. 9 Answers ...
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How can I use “:” as an AWK field separator?

Given the following command, 8 Answers 8 ...
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How to find encoding of a file via script on Linux?

I need to find the encoding of all files that are placed in a directory. Is there a way to find the encoding used? 17 Answe...
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What is the effect of extern “C” in C++?

... extern "C" makes a function-name in C++ have C linkage (compiler does not mangle the name) so that client C code can link to (use) your function using a C compatible header file that contains just the declaration of your function. Your function...
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How do I tell if a regular file does not exist in Bash?

I've used the following script to see if a file exists: 20 Answers 20 ...
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Efficient evaluation of a function at every cell of a NumPy array

Given a NumPy array A , what is the fastest/most efficient way to apply the same function, f , to every cell? 6 Ans...
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How to safely open/close files in python 2.4

I'm currently writing a small script for use on one of our servers using Python. The server only has Python 2.4.4 installed. ...
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Replace multiple strings with multiple other strings

... Specific Solution You can use a function to replace each one. var str = "I have a cat, a dog, and a goat."; var mapObj = { cat:"dog", dog:"goat", goat:"cat" }; str = str.replace(/cat|dog|goat/gi, function(matched){ re...