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Code formatting shortcuts in Android Studio for Operation Systems

I have started developing with Android Studio . In Eclipse I was using Ctrl + Shift + F , but in Android Studio it does not work. It will be different. ...
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How to add Action Bar from support library into PreferenceActivity?

...tivity class for creating activities with Action Bar on older versions of Android. 8 Answers ...
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How to show first commit by 'git log'?

...’s initial commit, gitk, some initially separate tools, git-gui, gitweb, and git-p4). In this case, we know that e83c516 is the one we are probably interested in. It is both the earliest commit and a root commit. It is not so simple in the general case. Imagine that libfoo has been in developmen...
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How to return 2 values from a Java method?

...sider creating a class that represents the result that you want to return, and return an instance of that class. Give the class a meaningful name. The benefits of this approach over using an array are type safety and it will make your program much easier to understand. Note: A generic Pair class, a...
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How can I change the EditText text without triggering the Text Watcher?

... You could unregister the watcher, and then re-register it. Alternatively, you could set a flag so that your watcher knows when you have just changed the text yourself (and therefore should ignore it). ...
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Difference between window.location.href, window.location.replace and window.location.assign

...rl; They simply navigate to the new URL. The replace method on the other hand navigates to the URL without adding a new record to the history. So, what you have read in those many forums is not correct. The assign method does add a new record to the history. Reference: http://developer.mozilla.org/...
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Is gcc std::unordered_map implementation slow? If so - why?

... performance critical software in C++. There we need a concurrent hash map and implemented one. So we wrote a benchmark to figure out, how much slower our concurrent hash map is compared with std::unordered_map . ...
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What is the difference between ~> and >= when specifying rubygem in Gemfile?

...constraint. RubyGems will increment the last digit in the version provided and use that until it reaches a maximum version. So ~>0.8.5 is semantically equivalent to: gem "cucumber", ">=0.8.5", "<0.9.0" The easy way to think about it is that you're okay with the last digit incrementing to ...
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How to compare type of an object in Python?

...ty of details of why checking the type of an object is usually a bad idea, and what you probably should be doing instead. – Jeff Shannon Apr 2 '09 at 9:28 2 ...
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Render basic HTML view?

...ade include plain.html in views/plain.html <!DOCTYPE html> ... and app.js can still just render jade: res.render(index) share | improve this answer | follow ...