Ubuntu and Apache some cool stuff

Some useful commands: #1 Retrieve the list of packages installed on the computer which will serve as the “model” to … Continue reading

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Find and grep commands for searching

find command in linux searches for the files. Examples: Find files named core in or below the current directory find … Continue reading

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Rsync and incremental backups concept

Rsync originated as a replacement for rcp and scp. Rsync can: Rsync can sync two distinct folders: * locally (two … Continue reading

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Linux System Error Codes

You need Linux system error codes. These are saved in the files: /usr/include/asm/errno.h or /usr/include/asm-generic/errno.h or /usr/include/asm-generic/errno-base.h #define EPERM 1 /* Operation not permitted … Continue reading

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Deferred JavaScript loading

Deferred loading of render blocking JavaScripts has been explained here: https://developers.google.com/speed/docs/insights/BlockingJS. There is one another article how to decrease initial page loading … Continue reading

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Wp_enqueue_script WordPress options you can use

Here is the list of jQuery scripts already present in WordPress you can enqueue: ‘jquery’ ‘jquery-core’ ‘jquery-migrate’ ‘jquery-ui-core’ ‘jquery-ui-accordion’, ‘jquery-ui-autocomplete’ … Continue reading

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How to install LAMP and WordPress (yum based)

LAMP(Linux, Apache, MySQL, and PHP)  is open source Web application platform that runs on Linux systems. Note: To install all … Continue reading

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Latest Android classes

These are all Android 4.4 KitKat classes sorted from android.jar. All the classes are listed in  alphabetical order. AbortableHttpRequest.class AbsListView.class … Continue reading

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Android components

Four(4) building blocks of Android are: activity, service, broadcast, content provider. An activity is a screen displaying user interface controls and/or graphical content. Most … Continue reading

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Dalvik VM

Created by Dan Bornstein former employer of Google. This is a VM framework similar to  Java VM framework for Java devices, … Continue reading

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Android stack

There are 5 layers in the Android programming stack. Since the foundation of the Android is Linux, the Linux kernel … Continue reading

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