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How does @synchronized lock/unlock in Objective-C?

... answered Aug 1 '09 at 1:13 Louis GerbargLouis Gerbarg 42.7k88 gold badges7676 silver badges8888 bronze badges ...
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Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul

... 180 Newer .Net Docs now has a table to help you decide which is best to use in your situation. From...
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Is there an AddRange equivalent for a HashSet in C#

... | edited Aug 9 '18 at 0:08 Neuron 3,54333 gold badges2323 silver badges4040 bronze badges answered M...
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Is explicitly closing files important?

... answered Sep 13 '11 at 2:00 Peter GrahamPeter Graham 9,62877 gold badges3535 silver badges4040 bronze badges ...
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What are the Ruby File.open modes and options?

... 380 In Ruby IO module documentation, I suppose. Mode | Meaning -----+-----------------------------...
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How to get exit code when using Python subprocess communicate method?

...(openRTSP + opts.split(), stdout=sp.PIPE) streamdata = child.communicate()[0] rc = child.returncode (*) This happens because of the way it's implemented: after setting up threads to read the child's streams, it just calls wait. ...
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Check if list of objects contain an object with a certain attribute value

... answered Feb 21 '12 at 2:04 Sven MarnachSven Marnach 446k100100 gold badges833833 silver badges753753 bronze badges ...
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Read and overwrite a file in Python

...ilename, 'r+') text = f.read() text = re.sub('foobar', 'bar', text) f.seek(0) f.write(text) f.truncate() f.close() The functionality will likely also be cleaner and safer using open as a context manager, which will close the file handler, even if an error occurs! with open(filename, 'r+') as f: ...
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How to create default value for function argument in Clojure

...y default values. (defn string->integer ([s] (string->integer s 10)) ([s base] (Integer/parseInt s base))) Note that assuming false and nil are both considered non-values, (if (nil? base) 10 base) could be shortened to (if base base 10), or further to (or base 10). ...
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How to drop multiple columns in postgresql

I want to drop 200 columns in my table in PostgreSQL. I tried: 2 Answers 2 ...