How to Get First Image URL from the Post on WordPress
The following function is used to get first image URL from WordPress post. Paste below function on /wp-includes/functions.php file. Now you can show the image using this syntax:
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How to Fix High CPU Usage on WordPress
Few days ago I got complain from my hosting company that my website which is WordPress produced high CPU usage all the time. Below are what I’ve done to fix the problem: I disabled all plugins in WordPress. Result: failed. I switched to default twenty-ten WordPress themes while still disabled all plugins. Result: failed. I…
How to Make Image which Can’t Be Cached by Browser
Images as static content on website are usually be cached by browser. Using PHP we can make the image can’t be cached and always loaded from server by putting random number behind the image file. The HTML output will be: The number 1331835943 is generated dynamically by PHP that forces the browser to always load…
How to Disable Firewall on Centos
We can use iptables, service, and chkconfig commands to enable and disable firewall in Centos. iptables is an administration tool for IPv4 packet filtering and NAT. service is a command to run a System V init script. It is used to save, stop, and start services. chkconfig command is used to update and query runlevel…
How to Create Transparent DIV
This guide will show you how to create transparent div element in HTML. What we need is 1 x 1 pixel transparent .png file which is created using Photoshop. 1. Create new image in Photoshop with dimension 1 x 1 pixel. 2. Press Ctrl-+ few times to magnify the image to 1600% 3. Click Paint…
How to Install Ice Cream Sandwich (Android 4.0) on Samsung Galaxy SII
Before installing Ice Cream Sandwich (ICS) on Samsung Galaxy SII (SGS2), your handphone must be rooted. Read this article for rooting SGS2. Download ICS firmware from this website. You have to register first before able to download. Still on sammobile.com website, download Odin downloader. Extract both files and open Odin. Check Re-Partition option. Press PIT…
How to Root Samsung Galaxy SII Using CF-Root
Why do we need root? We need root if we want to have full control over our system / handphone. Why do we need full control over our handphone? We need full control over our handphone because we can do system and apps backup, install custom ROM, modify current ROM, etc. Below is how to…
How to Fix Litespeed Web Server Error: “406 Not Acceptable This request is not acceptable” on WordPress
LiteSpeed Web Server is the leading high-performance, high-scalability web server. I found this error when I tried to save post (press Update button) in WordPress. To fix this problem, modify .htaccess file inside the website folder and put in these lines:
How to Fix RDCMan Problem: “Incompatible version of mstscax.dll”
This problem happens when you are using Remote Desktop Connection Manager (RDCMan) with not updated Terminal Service Client. To fix this problem you have to download and install the latest Terminal Service Client 6.1 from below website. For Windows XP: http://www.microsoft.com/download/en/details.aspx?id=7208 For Windows Server 2003: http://www.microsoft.com/download/en/details.aspx?id=21296
How to Fix MySQL Error “Stopping MySQL database server : mysqld failed!” on Debian Squeeze
This problem happens when you modify user table in mysql database. In Debian system, there is a user named debian-sys-maint. We can’t restart mysql daemon if the password is not correct. We have to update the password for that user. First, we check the password: Login to mysql shell as root Now use the following…