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A couple of times, I’ve needed a function to convert a string representation of an IP address to a 32-bit unsigned integer, to save in a database for example. It’s kind of a waste to save the string representation of an IP address in a database, as IPv4 addresses are only 32 bits and fit nicely in a 32-bit unsigned integer field of, for example, a MySQL table. Each character in the string would be a byte! »Click to continue reading…

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Playing Card Hands is a wordpress plugin that allows playing cards to be easily inserted and displayed using simple tags in posts and comments. This is useful for bloggers writing about any card game: poker, spades, bridge, etc. The plugin is simple to install and use. –>

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A while back, I was writing a blackjack simulator where I needed to model shuffling a deck of cards (randomizing the elements of an array). This problem seemed simple; so simple that I made a big mistake. The code I was writing was in Java, but the examples here are in C. –>

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Today I was writing some code in PHP for a weekly schedule and found a need to convert an integer equivalent of an hour in 24-hour format to 12-hour format. So there was some table layout, and each cell represented an hour period of one day of the week. –>

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