Brain Goo

One of my more popular posts is How to Push a Hash on to an Array in PERL, but how do you push a dict on to a list in Python? Lists are one-dimensional arrays and dicts are associative arrays or hash arrays.  This means we can do the same thing we do in other [...]

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PERL has a built-in function called join() that will concatenate a list with a given string. The official perldoc states: join EXPR,LIST Joins the separate strings of LIST into a single string with fields separated by the value of EXPR, and returns that new string. Example: $rec = join(‘:’, $login,$passwd,$uid,$gid,$gcos,$home,$shell); From the code example, you [...]

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If you have WordPress installed you may run in to an error that constantly prints something like this: Warning: Unknown: Releasing SysV semaphore id 58 key 0x152b in request cleanup in Unknown on line 0 This is not an error from WordPress, but from the WP Super Cache Plugin you forgot you installed. The error [...]

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