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Objective-C: Where to remove observer for NSNotification?

I have an objective C class. In it, I created a init method and set up a NSNotification in it 14 Answers ...
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Exception messages in English?

...Message to a file. However, they are written in the culture of the client. And Turkish errors don't mean a lot to me. 16 An...
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What is in your Mathematica tool bag? [closed]

...ned this before, but the tool I find most useful is an application of Reap and Sow which mimics/extends the behavior of GatherBy: SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:= Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]]; This allows me to group lists by any criteria and tran...
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Javascript: How to detect if browser window is scrolled to bottom?

... if any, versions of IE support window.scrollY. – Batandwa Oct 27 '14 at 11:33 3 ...
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How to call Android contacts list?

I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work. ...
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UIView's frame, bounds, center, origin, when to use what?

UIView has the properties frame , bounds , center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the lo...
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The most efficient way to implement an integer based power function pow(int, int)

... break; base *= base; } return result; } This is the standard method for doing modular exponentiation for huge numbers in asymmetric cryptography. share | improve this answer ...
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Is it possible to declare a variable in Gradle usable in Java?

... in Java ? Basically I would like to declare some vars in the build.gradle and then getting it (obviously) at build time. Just like a pre-processor macros in C/C++... ...
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Difference between ActionBarSherlock and ActionBar Compatibility

What is the difference between ActionBarSherlock and Action Bar Compatibility 7 Answers ...
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SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/

...ws note The Ruby Installer builds for windows are prepared by Luis Lavena and the path to certificates will be showing something like C:/Users/Luis/... check https://github.com/oneclick/rubyinstaller/issues/249 for more details and this answer https://stackoverflow.com/a/27298259/497756 for fix. ...