SQL tutorial (link)

http://www.tutorialspoint.com

SOLID explanation (link)

http://howtodoinjava.com/2013/06/07/5-class-design-principles-solid-in-java/

How to update browser cache in java with Spring (link)

http://stackoverflow.com/questions/10891986/how-to-update-browser-cache-in-java

http://code.tutsplus.com/tutorials/solid-part-2-the-openclosed-principle--net-36600

Creating beautiful release notes with git, gradle and markdown - link

http://www.javacodegeeks.com/2014/03/creating-beautiful-release-notes-with-git-gradle-and-markdown.html

How to clean cache totally on FirefoxF

http://geekswithblogs.net/AskPaula/archive/2011/05/19/145440.aspx

GXT how to implement window with proper layout for content

Window is ContentPanel
setLayout( new FitLayout )
add( LayoutContainer )
        VBoxLayout layout = new VBoxLayout();
layout.setPadding(new Padding(5));
layout.setVBoxLayoutAlign(VBoxLayout.VBoxLayoutAlign.LEFT);
layout.setPack(BoxLayout.BoxLayoutPack.START);

(LayoutContainer).setLayout(layout);
        add( button )
        add( safeHtmlText )

window.layout();

How to disable VCS in Android Studio (link)

http://stackoverflow.com/questions/17029242/how-do-you-turn-off-version-control-in-android-studio

The best solution for ListView of images: Android-Universal-Image-Loader (link)

https://github.com/nostra13/Android-Universal-Image-Loader

Explanation (Russian)
http://nostra13android.blogspot.com/2012/03/4-universal-image-loader-part-1.html

Android Robolectric test example in Android Studio (link)

http://www.peterfriese.de/android-testing-with-robolectric/

Practice your shell skills (link)

http://explainshell.com