This command very quickly creates 100k randomly sized binary files in the directory you run it in. Took 6 minutes 37 seconds to run on
This command very quickly creates 100k randomly sized binary files in the directory you run it in. Took 6 minutes 37 seconds to run on
This command combines ls (directory list) with wc (word count) command to count the number of files in a directory. I just used it to
Base64 encoding is done to preserve binary data in a ascii text format. A good example of this is in email all attachments are encoded
Most people have an idea what an IP address is now. It’s used to route traffic on the internet, similarly in the way your email
Your browser’s user agent is passed in the request headers every activity you do online. It’s commonly used by websites to diagnose website problems, know
Quoted-printable is used to transmit 8bit data over a medium that could risk the data getting corrupted. This is common for email. You can use
This function will return the first n (the number you request) characters careful to not break in the middle of a word. getSummary is also
This nice routine is for testing PHP’s memory limits by increasingly allocating 50 more megabytes at a time. Each pass is setting the memory limit with an
Regular expressions are great but sometimes you want to do it faster (meaning easier), depending on what you’re trying to do. When you quickly want
md5 is a older but still commonly used one way hashing algorithm. It produces a 32 character, 128 bit string. This tool will take a