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Quickly Create 100 Thousand Random Files In a Folder Linux

November 18, 2016 mike Sysadmin

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

Counting files in a Folder at the Linux Command Line

November 18, 2016 mike Sysadmin

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

Online Base64 Encoder and Decoder

November 17, 2016 mike Cryptography Tools

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

What Is My IP Address?

November 16, 2016 mike HTTP Tools

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

Show My Browser’s User Agent

November 16, 2016 mike HTTP Tools

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

Online Quoted Printable Encoder/Decoder

November 16, 2016 mike Cryptography Tools

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

Function For Returning First n Characters of a Paragraph

November 16, 2016 mike PHP

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

memory

Testing Memory Allocation

November 16, 2016 mike PHP

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

A Flexible Text Parser Without Regular Expressions

November 16, 2016 mike PHP

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

Online md5 Generator

November 16, 2016 mike Cryptography Tools

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

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