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Difference between onCreate() and onStart()? [duplicate]

... 27 onCreate() method gets called when activity gets created, and its called only once in whole Act...
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Pure JavaScript Send POST Data Without a Form

Is there a way to send data using the POST method without a form and without refreshing the page using only pure JavaScript (not jQuery $.post() )? Maybe httprequest or something else (just can't find it now)? ...
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Install Application programmatically on Android

I'm interested in knowing if it is possible to programmatically install a dynamically downloaded apk from a custom Android application. ...
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The best way to remove duplicate values from NSMutableArray in Objective-C?

...? I wrote the answer below in 2009; in 2011, Apple added NSOrderedSet to iOS 5 and Mac OS X 10.7. What had been an algorithm is now two lines of code: NSOrderedSet *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray]; NSArray *arrayWithoutDuplicates = [orderedSet array]; If you are worri...
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What's the correct way to sort Python `import x` and `from x import y` statements?

...ice what you use. According to few references from reputable sites and repositories also popularity, Alphabetical ordering is the way. for eg like this: import httplib import logging import random import StringIO import time import unittest from nova.api import openstack from nova.auth import use...
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Worth switching to zsh for casual use? [closed]

The default shell in Mac OS X is bash , which I'm generally happy to be using. I just take it for granted. It would be really nice if it auto-completed more stuff , though, and I've heard good things about zsh in this regard. But I don't really have the inclination to spend hours fiddling with s...
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What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?

... answered May 2 '13 at 13:27 Chuck Le ButtChuck Le Butt 42.2k5555 gold badges167167 silver badges254254 bronze badges ...
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adb server version doesn't match this client

...id SDK(using same port number), to fix this simply go to settings => choose ADB tab => click on the option Use custom Android SDK Tools and set your SDK folder after you configure this, try to restart your adb by going into folder platform-tools which adb placed and do this command: ./adb...
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I get exception when using Thread.sleep(x) or wait()

... answered Jul 27 '10 at 10:31 Konrad GarusKonrad Garus 48.9k4040 gold badges140140 silver badges214214 bronze badges ...
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Why em instead of px?

... 27 There is no way to convert between ems and pixels, unless you know what the size of an 'em' is in pixels, in that context. That can depend...