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GCD to perform task in main thread

I have a callback which might come from any thread. When I get this callback, then I would like to perform a certain task on the main thread. ...
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Problems with contenttypes when loading a fixture in Django

...database because of contenttypes conflicts. First I tried dumping the data from only my app like this: 15 Answers ...
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Relatively position an element without it taking up space in document flow

... absolute; left: 100px; top: 100px"> Hi there, I'm 100px offset from where I ought to be, from the top and left. </div> </div> share | improve this answer | ...
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In Python, how do I determine if an object is iterable?

.... Based on that my conclusion is that nowadays this is the best approach: from collections.abc import Iterable # drop `.abc` with Python 2.7 or lower def iterable(obj): return isinstance(obj, Iterable) The above has been recommended already earlier, but the general consensus has been that ...
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Concatenate two slices in Go

...ction, and the ... lets you pass multiple arguments to a variadic function from a slice. – user1106925 Apr 27 '13 at 4:14 12 ...
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What does the 'Z' mean in Unix timestamp '120314170138Z'?

... Yes. 'Z' stands for Zulu time, which is also GMT and UTC. From http://en.wikipedia.org/wiki/Coordinated_Universal_Time: The UTC time zone is sometimes denoted by the letter Z—a reference to the equivalent nautical time zone (GMT), which has been denoted by a Z since about ...
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Show AlertDialog in any position of the screen

...= 100; //y position dialog.show(); Here x position's value is pixels from left to right. For y position value is from bottom to top. share | improve this answer | follo...
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Differences between .NET 4.0 and .NET 4.5 in High level in .NET

... Where are these changes actually made? I just upgraded an application from 4.0 to 4.6.2 and notice it still references mscorlib 4.0, System.Data 4.0, System.ServiceModel 4.0 ... etc. All the references are still 4.0. – xr280xr Jan 7 '19 at 19:30 ...
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Gradle buildscript dependencies

...cies that are put on the classpath of your build and that you can refer to from your build file. For instance extra plugins that exist on the internet. The repositories on the root level are used to fetch the dependencies that your project depends on. So all the dependencies you need to compile you...
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git: Apply changes introduced by commit in one repo to another repo

..., or v0.2, or master~2, which are values in the second repository you copy from) into SHA-1 identifier of commit. If you know SHA-1 of a change you want to pick, it is not necessary. NOTE however that Git can skip copying objects from source repository, as it doesn't know that the alternate object...