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Parsing unevenly spaced columns from text in PHP

Published by Nicholas Dunbar on August 23rd, 2014

If you want to parse unevenly or jaggedly spaced columns out of a text file in PHP, below are two functions that will help you do it. Let's say that you have the following text output: col1 col2 col3 ==== ==== ==== ...

programming php contracting

MySQL CONCAT limitation

Published by Nicholas Dunbar on April 12th, 2014

So you're trying to concat two large strings and it keeps resulting in a truncated or empty string? The problem may be that CONCAT can only result in a string of length 1024 bytes long. Worse is there is no setting in MySQL that allows you to increat...

programming mysql contracting

Title case function in PHP based on grammatical rules for capitalizing the words in a title

Published by Nicholas Dunbar on February 10th, 2014

Creating a Title Case Function with PHP Based on Grammatical Rules. The common way that programmers implement title case is the most simple way, they capitalize the first letter of every word. But what about titles like the title above where the "on" a...

programming php contracting

Javascript private and public members | Dynamic name spacing

Published by Nicholas Dunbar on February 10th, 2014

The following is how to scope an object (called an object literal) with private and public members: myApp is the class id is private next and reset are public functions //create class var myApp = {}; (function(context) { //private member v...

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Overload an array in PHP | Overload a multidimentional array in PHP | On set array call a function in PHP

Published by Nicholas Dunbar on February 9th, 2014

If you wanted to overload an array so that you can put your own logic inside of the get and set actions for an array using the syntax $array['property'] try starting with the class bellow and build off it. Example: //create array $obj = new CustomArra...

programming php contracting

Don't overwrite permissions with tar file

Published by Nicholas Dunbar on February 9th, 2014

When you use tar to back-up a directory and then you want to restore that directory you may want to keep existing permissions intact. If you made changes to the permissions since the archive was created and you want to restore the original files while ...

linux command-line contracting

GB vs. GIB | 1024 vs. 1000

Published by Nicholas Dunbar on February 9th, 2014

Looking for answers to these questions? Why are there two types of GB? Why is a KB 1024 and not 1000 bytes? Did you know there are two types of Gigabytes (GB)? What if I told you that they are not the same amount of bytes? That manufacturers list th...

programming contracting

Get size of database in bytes and rows

Published by Nicholas Dunbar on February 9th, 2014

How to get the size of the database in MySQL? Replace database_name with the database name from which you want the size in bytes and rows: SELECT t.table_schema,SUM(t.table_rows) AS row_count,SUM(t.data_length) AS data_volume FROM information_schema.t...

programming mysql contracting

Script that installs an RSA key on the local machine and a remote machine

Published by Nicholas Dunbar on February 9th, 2014

Run this interactive bash script, if you want to set up an RSA key on your local machine and then have the script automatically install the key on a remote machine. The script is tested to work on Linux, Unix, AIX with bash. Here is an example of how ...

programming linux contracting

Convert decimal to base 36 alpha numeric in Bash | Linux

Published by Nicholas Dunbar on February 9th, 2014

Here is a custom bash shell script function you can use to convert a decimal to a base 36 number in all capital alpha numeric. Example: your_digit=65; decimal_to_base36 $your_digit; Output: 1T function decimal_to_base36(){ BASE36=($(echo {0..9}...

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Exclude images from a Linux find

Published by Nicholas Dunbar on November 19th, 2013

If you want to find all files in a sub directory and you don't want images to show up in the list here is a way to do it: [local_username@localhost /]$ find /some/dir/ -type f \( -name '*.png' -o -name '*.jpg' -o -name '*.jpeg' -o -name '*.gif' \) -pr...

linux command-line contracting

Remove files present in one directory but not the other

Published by Nicholas Dunbar on November 1st, 2013

This will remove all the files and folders that are in /dir1 but not in /dir2[local_username@localhost /]$ diff -rq /dir1 /dir2 | grep -E "^Only in /dir1*" | sed -n 's/://p' | awk '{print $3"/"$4}' | xargs -I {} rm -r {}Explanation:diff - command that ...

linux command-line contracting

Style guide & best practices for ActionScript 3 (AS3)

Published by Nicholas Dunbar on January 24th, 2011

Adobe Flash Best Practices and ActionScript 3 Style Guide. “Code that only you can understand does not make you an advanced coder." - Some Smart Guy Goals When you look at a variable, class or function name, the way that the code is written should ...

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