Took me forever to figure this one out today…a simple question mark over an equals sign, for checking equality in a paper writt3n in LaTeX. There are a billion “special” commands for something over an equals sign, why not a question mark? Well, that would be too easy… »Click to continue reading…
Popularity: 64%
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…
Popularity: 73%
At some point, I was using the Epiphany web browser for Gnome on my linux workstation. I’m using Firefox now, but I had one obscure identity number that was hidden in the saved passwords that I needed to reveal. There was no option to show the saved password, and I couldn’t find any documentation for recovering the password. –>
Popularity: 52%
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. –>
Popularity: 58%