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Understanding dispatch_async
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The <em>mem>ain reason you use the default queue over the <em>mem>ain queue is to run tasks in the background.
For instance, if I a<em>mem> downloading a file fro<em>mem> the internet and I want to update the user on the progress of the download, I will r...
URLWithString: returns nil
it <em>mem>ay be very easy, but I don't see<em>mem>s to find out why is URLWithString: returning nil here.
7 Answers
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Difference between Select Unique and Select Distinct
I thought these were synono<em>mem>ous, but I wrote the following in <em>Mem>icrosoft SQL:
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How to set the <em>mem>axAllowedContentLength to 500<em>Mem>B while running on IIS7?
I changed the <em>mem>axAllowedContentLength to
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Is there a difference between single and double quotes in Java?
...hello";
They cannot be used any other way around (like in Python, for exa<em>mem>ple).
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How to convert int to NSString?
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Pri<em>mem>itives can be converted to objects with @() expression. So the shortest way is to transfor<em>mem> int to NSNu<em>mem>ber and pick up string representation with stringValue <em>mem>ethod:
NSString *strValue = [@(<em>mem>yInt) stringValue];
or
NSStr...
Convert array of integers to co<em>mem><em>mem>a-separated string
It's a si<em>mem>ple question; I a<em>mem> a newbie in C#, how can I perfor<em>mem> the following
5 Answers
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How to insert tab character when expandtab option is on in Vi<em>mem>
When I'<em>mem> in insert <em>mem>ode and I have the expandtab option switched on, pressing Tab ↹ results in inserting the configured nu<em>mem>ber of spaces.
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Using a BOOL property
Apple reco<em>mem><em>mem>ends to declare a BOOL property this way:
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Returning value fro<em>mem> called function in a shell script
I want to return the value fro<em>mem> a function called in a shell script. Perhaps I a<em>mem> <em>mem>issing the syntax. I tried using the global variables. But that is also not working. The code is:
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