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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...
How can Bash execute a command in a different directory context?
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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
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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++
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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]
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Logic index:
d<-d[!(d$A=="B" & d$E==0),]
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Should bower_components be gitignored?
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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...
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...
How to change a DIV padding without affecting the width/height ?
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display: block;
}
.outer {
/* specify fixed width */
width: 300px;
padding: 0;
}
.inner {
/* specify padding, can be changed while remaining fixed width of .outer */
padding: 5px;
}
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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...
