The easiest way to show the file size in Terminal in Mac or Linux. ustins-MacBook-Pro:jpg juzhax$ file 001.jpg 001.jpg: JPEG image data, EXIF standard Justins-MacBook-Pro:jpg juzhax$ identify 001.jpg 001.jpg JPEG 720×468 720×468+0+0 8-bit sRGB 59.8KB 0.000u 0:00.009 Justins-MacBook-Pro:jpg juzhax$
command c expects followed by text error in Mac
You received error from the sed command in Mac, because the argument in mac is different. If you type in Mac terminal, you may receive error like this Justins-MacBook-Pro:2 juzhax$ sed -i ‘s/old_text/new_text/g’ example.txt sed: 1: “config.php”: command c expects \ followed by text The first argument should be the extension of the backup file. Continue reading “command c expects followed by text error in Mac”
Convert Text to Slug URL in PHP
Convert Text to slug URL, example: Brown & Cony’s Secret Date! will become: brown-conys-secret-date Will be nice url. function slug_url($text) { // replace non letter or digits by – $text = preg_replace(‘~[^\\pL\d]+~u’, ‘-‘, $text); // trim $text = trim($text, ‘-‘); // transliterate $text = iconv(‘utf-8’, ‘us-ascii//TRANSLIT’, $text); // lowercase $text = strtolower($text); // remove unwanted Continue reading “Convert Text to Slug URL in PHP”
Country Code in Array with PHP Value
Just copy and paste into your code to use the country code. <?php $countries = array ( ‘AF’ => ‘Afghanistan’, ‘AX’ => ‘Aland Islands’, ‘AL’ => ‘Albania’, ‘DZ’ => ‘Algeria’, ‘AS’ => ‘American Samoa’, ‘AD’ => ‘Andorra’, ‘AO’ => ‘Angola’, ‘AI’ => ‘Anguilla’, ‘AQ’ => ‘Antarctica’, ‘AG’ => ‘Antigua And Barbuda’, ‘AR’ => ‘Argentina’, ‘AM’ Continue reading “Country Code in Array with PHP Value”
Hacker’s Secret 100 Secret Techniques Revealed
One of the nice book that suitable for Hacker, but too bad it is in Japanese version. Wish someone will translate to English version in future. You can find the author from here Satoru Takabayashi, Fumitoshi Ukai, Yusuke Sato, Shinichiro Hamaji, Kazuyuki Shudo Chapter 1. Introduction 1. Introduction to Binary Hacks 2. Terminology of Binary Hacks 3. Using “file” to Continue reading “Hacker’s Secret 100 Secret Techniques Revealed”
Connect to Jetpack using behind varnish and nginx
Normally if you use varnish or other reverse proxy, you may use other port in wordpress. So you are not able to connect to Jetpack, because to connect Jetpack, you must have port 80 to authorize. It may display the error like this from your Jetpack debugger SELF: Array ( [headers] => Array ( [server] Continue reading “Connect to Jetpack using behind varnish and nginx”
How to convert pvr.czz file to PNG ?
Download TexturePacker Install and it does support command line tools. To convert single pvr.czz file to PNG in console, here is the way. TexturePacker filename.pvr.ccz –sheet filename.png –data dummy.plist –algorithm Basic –allow-free-size –no-trim To convert mass pvr.czz file to PNG in console, here is the way. find -name \*.pvr.czz | sed ‘s/\.pvr.czz//g’ | \ xargs Continue reading “How to convert pvr.czz file to PNG ?”
use tcpdump to trace POST data in linux
tcpdump -s 0 -A ‘tcp dst port 80 and (tcp[((tcp[12:1] & 0xf0) >> 2):4] = 0x504f5354)’
Remove ^M with VIM in linux
How I do to replace this with a ‘normal’ line break? Replace ^M to normal line break in many config files. :%s/<ctrl -V></ctrl><ctrl -M>//g </ctrl>
Delete expired _transient in wordpress to optimize the database
If you separate your database to another server, and if the wp_options table is going bigger to 2MB, then it will slow down your query time, because WordPress like to query all the data from the table wp_options always. You have to make the table smaller size to speed up the query. I always clean Continue reading “Delete expired _transient in wordpress to optimize the database”