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Conditional Variable vs Semaphore
... Semaphores are good for producer/consumer situations where producers are allocating resources and consumers are consuming them.
Think about if you had a soda vending machine. There's only one soda machine and it's a shared resource. You have one thread that's a vendor (producer) who is responsi...
Is there a good jQuery Drag-and-drop file upload plugin? [closed]
...h should be the point, try for yourself: plupload.com/example_all_runtimes.php
– Erik Johansson
Nov 3 '11 at 9:46
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Javascript shorthand ternary operator
I know that in php 5.3 instead of using this redundant ternary operator syntax:
7 Answers
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How do I check if a type is a subtype OR the type of an object?
...throws; 3) you don't actually need the new instance, so you have a useless allocation. The accepted answer is better (though not perfect).
– Marcel Popescu
Dec 7 '17 at 19:37
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Will the base class constructor be automatically called?
...cation.Current.Dispatcher;
//---for some reason this member is not allocated after serialization
if (_properties == null) _properties = new Dictionary<object, string>();
_properties.Clear();
RegisterProperties();
}
#endregion Behavior
#region INoti...
Eclipse: Set maximum line length for auto formatting?
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For HTML / PHP / JSP / JSPF: Web -> HTML Files -> Editor -> Line width
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Awaiting multiple Tasks with different results
...ever(x.Result, y.Result, z.Result);
}
but this does lots of overhead and allocates various arrays (including the params Task[] array) and lists (internally). It works, but it isn't great IMO. In many ways it is simpler to use an async operation and just await each in turn:
async Task<string>...
how to run two commands in sudo?
... can run two Db2 commands from a command line? (They will be called from a PHP exec command.)
10 Answers
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Getting started with Haskell
... to stick.
Now, in learning various imperative/OO languages (like C, Java, PHP), exercises have been a good way for me to go. But since I don't really know what Haskell is capable of and because there are many new concepts to utilize, I haven't known where to start.
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Logger slf4j advantages of formatting with {} instead of string concatenation
...tring-builder calls, resulting in much faster code that doesn't do as much allocation.
– cdeszaq
Jan 28 '19 at 19:18
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