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Difference between dispatch_async and dispatch_sync on serial queue?
...Your choice of concurrent or serial queue depends on if you need an output from a previous task for the next one. If you depend on the previous task, adopt the serial queue else take concurrent queue.
And lastly this is a way of penetrating back to the main thread when we are done with our business...
string sanitizer for filename
...moving NULL and Control characters. ASCII of 0 to 32 should all be removed from the string.
– Basil Musa
Dec 21 '15 at 23:00
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C++ inheritance - inaccessible base?
...nce type of a class in C++ is private, so any public and protected members from the base class are limited to private. struct inheritance on the other hand is public by default.
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What is unit testing? [closed]
... document what something is supposed to do, they can help you migrate code from one project to another and give you an unwarranted feeling of superiority over your non-testing colleagues :)
This presentation is an excellent introduction to all the yummy goodness testing entails.
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HTML - how can I show tooltip ONLY when ellipsis is activated
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No, that just keeps it from adding the title attribute again. The calculation to determine if it's needed is still done. this.offsetWidth < this.scrollWidth and possibly even the check for !$this.attr('title') will be performed each time you mou...
Multiple Parameters for jQuery selector?
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That really is backwards from what you would have thought looking at the source. I would expect the first arg to be the super class followed by subclasses which narrow it down. Ah well.
– light24bulbs
Jun 3 '13...
How do I disable fail_on_empty_beans in Jackson?
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I was trying to return JSON from inside one of my controllers in my spring-boot REST app and this fix it for me.
– ninjasense
Feb 14 '19 at 4:27
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Why does (“foo” === new String(“foo”)) evaluate to false in JavaScript?
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From the node.js REPL ("node" on the command-line if installed):
> "foo" === (new String("foo")).valueOf()
true
> "foo" === new String("foo")
false
> typeof("foo")
'string'
> typeof(new String("foo"))
'object'
&g...
How do I parse a string into a number with Dart?
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How should you parse an integer from a string that contains invalid characters later on? E.g., "-01:00", where I want to get -1, or "172 apples" where I would expect to get 172. In JavaScript parseInt("-01:00") works just fine but Dart gives an error. Is th...
SVG gradient using CSS
..., but Chrome and I think Safari as well don't support referencing elements from other files. Not sure about IE9 (can't test right now, just give it a try).
– Thomas W
Dec 27 '12 at 11:07
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