Latest Posts
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How to Redirect a Directory Using Htaccess
There is occassion where you want to do a silent redirect (not a 301 redirect) from a directory to another directory. Doing silent redirect will make browser to assume that this redirection is a brand new URL, not like 301 redirect which tells browser to open (redirected to) another URL. We can use htaccess to […]
Categories :Web ServerRead more: How to Redirect a Directory Using Htaccess -
Redirect Single URL with Htaccess
Sometimes you want to change some of your URL. For example you renamed your old html file. Or you have removed some of your old files and you want to redirect them to a new URL. But maybe other websites have linked to your old URL. You can’t contact them to change the URL, or […]
Categories :Web ServerRead more: Redirect Single URL with Htaccess -
Integrate reCAPTCHA v2 Into Pligg
Read more: Integrate reCAPTCHA v2 Into PliggPligg supports some CAPTCHA, including Solve Media, and old reCAPTCHA. Now i will write how to use reCAPTCHA v2 (click captcha) into Pligg. First, you must get Google reCAPTCHA keys. Second, open your Pligg admin, set the site & secret key under “CAPTCHA” sub menu and click “configure” next to reCAPTCHA.
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Regularly Runs MySQL FLUSH QUERY CACHE
Read more: Regularly Runs MySQL FLUSH QUERY CACHEIn some situation, like suggested in some mysql optimization script, you may want to regularly run “FLUSH QUERY CACHE”. First, open your terminal and try to run this command : mysql -e ‘FLUSH QUERY CACHE’ If there is no error, you can add that command in your cron job, such as this command to run […]
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Setting MySQL innodb_buffer_pool_size
I was confused how big i should set my “innodb_buffer_pool_size” value. Then i find this post in stackexchange. I can run this query to get what is the suggestion of “innodb_buffer_pool_size” value. SELECT CEILING(Total_InnoDB_Bytes*1.6/POWER(1024,3)) RIBPS FROM (SELECT SUM(data_length+index_length) Total_InnoDB_Bytes FROM information_schema.tables WHERE engine=’InnoDB’) A; The result will be in GB.
Categories :DatabaseRead more: Setting MySQL innodb_buffer_pool_size -
iOS 9 Stuck in Slide to Upgrade
Recently i just tried to upgrade my 2 devices : First, iPhone 5s from iOS 7 to iOS 9 using Wi-Fi. Second, iPad 2 from iOS 8 to iOS 9 using Wi-Fi. Upgrade of the iPad went successful. But on iPhone upgrade, i was stuck in “Slide to Upgrade” step. I could not do anything. […]
Categories :iOSRead more: iOS 9 Stuck in Slide to Upgrade -
How to Create and Extract Tar.gz File in Linux
How to create tar.gz in Linux : tar -zcvf “archive.tar.gz” “file.sql” tar -zcvf “archive.tar.gz” “/home/example/public_html/” How to extract tar.gz in Linux : tar -zxvf “archive.tar.gz”
Categories :ServerRead more: How to Create and Extract Tar.gz File in Linux -
Javascript Get Content Stretch Size
I had a situation like this : I have a content. The size (width and height) has been known. Now i want to stretch the content to the screen with some fill rate (for example max 90% of screen size). I made a javascript code below.
Categories :JavaScriptRead more: Javascript Get Content Stretch Size -
How to Install PECL Memcache in WHM / CentOS
You can run these commands to install PECL memcache (not memcached). However, this memcache will work with memcached. wget http://pecl.php.net/get/memcache-3.0.8.tgz tar xvfz memcache-3.0.8.tgz cd memcache-3.0.8 phpize ./configure make make install Take note of the php extensions directory that memcache is installed in. Mine is: /usr/local/lib/php/extensions/no-debug-non-zts-20020429/ Then add this line to your php.ini extension=”/usr/local/lib/php/extensions/no-debug-non-zts-20020429/memcache.so”
Categories :ServerRead more: How to Install PECL Memcache in WHM / CentOS -
How to Install Memcached in WHM / CentOS
I use Centos & WHM. Here is how to install memcached (not memcache) using command line. First, installing memcached wget http://memcached.org/latest tar -zxvf memcached-1.x.x.tar.gz cd memcached-1.x.x ./configure && make && make test && sudo make install
Categories :ServerRead more: How to Install Memcached in WHM / CentOS