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iPhone - Grand Central Dispatch main thread

...h_queue_t backgroundQueue = dispatch_queue_create("com.mycompany.myqueue", 0); dispatch_async(backgroundQueue, ^{ int result = <some really long calculation that takes seconds to complete>; dispatch_async(dispatch_get_main_queue(), ^{ [self updateMyUIWithResul...
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How can Bash execute a command in a different directory context?

... answered May 12 '12 at 19:05 Todd A. JacobsTodd A. Jacobs 67.5k1313 gold badges117117 silver badges173173 bronze badges ...
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Github: Import upstream branch into fork

... answered Dec 10 '10 at 15:42 urschreiurschrei 19.9k1212 gold badges3535 silver badges7171 bronze badges ...
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Private virtual method in C++

... answered Jan 31 '10 at 5:42 Prasoon SauravPrasoon Saurav 83.1k4242 gold badges229229 silver badges336336 bronze badges ...
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Conditionally Remove Dataframe Rows with R [duplicate]

... Logic index: d<-d[!(d$A=="B" & d$E==0),] share | improve this answer | follow | ...
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Should bower_components be gitignored?

... answered Mar 11 '14 at 14:04 TimWollaTimWolla 27.5k77 gold badges5757 silver badges8383 bronze badges ...
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Is it necessary to explicitly remove event handlers in C#

... Console.WriteLine("~Publisher"); Console.WriteLine("Foo==null ? {0}", Foo == null); } public event EventHandler Foo; } public class Subscriber { ~Subscriber() { Console.WriteLine("~Subscriber"); } public void FooHandler(object sender, EventArgs e) {} } p...
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What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?

...cpu time? – Pacerier Dec 16 '14 at 10:02 40 @Pacerier: on a single core machine, yes, but multi-c...
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How to change a DIV padding without affecting the width/height ?

... display: block; } .outer { /* specify fixed width */ width: 300px; padding: 0; } .inner { /* specify padding, can be changed while remaining fixed width of .outer */ padding: 5px; } share ...
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Add x and y labels to a pandas plot

... that object. ax = df2.plot(lw=2, colormap='jet', marker='.', markersize=10, title='Video streaming dropout by category') ax.set_xlabel("x label") ax.set_ylabel("y label") Or, more succinctly: ax.set(xlabel="x label", ylabel="y label"). Alternatively, the index x-axis label is automatically se...