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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
POSIX allows mutexes to be recursive. That means the same thread can lock the same mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be P...
Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
...y reference.
And since we are at it, why do we define this function at all?
See above.
Is it
just a question of shortcuts and local caching of property access for
(slight) performance gains...
It may make it quicker in theory, as the [[Prototype]] chain doesn't have to be followed, ...
Clearing coverage highlighting in Eclipse
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Click the "Remove all Sessions" button in the toolbar of the "Coverage" view.
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Storyboard warning: prototype table cells must have reuse identifiers
... If you have more than 1 prototype cells, you must give them all an indetifier, else just set the number to one in the prototype cell
– user1700737
Oct 21 '14 at 12:26
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Java JTable setting Column Width
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What happens if you call setMinWidth(400) on the last column instead of setPreferredWidth(400)?
In the JavaDoc for JTable, read the docs for doLayout() very carefully. Here are some choice bits:
When the method is called as a result of the ...
How to update a git clone --mirror?
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@Magnus Skog: Great. Thanks! Is this all? Do I need another commmand, like git fetch? Or git remote update alone will do it all?
– J. Bruni
May 27 '11 at 11:40
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How can I make an “are you sure” prompt in a Windows batchfile?
...other and back for me. Only thing is as much as it helps me I keep accidentally selecting that command off my command buffer and mass overwriting uncommited changes.
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What online brokers offer APIs? [closed]
So I'm getting really sick of E*TRADE and, being a developer, would love to find an online broker that offers an API. It would be great to be able to write my own trading tools, and maybe even modify existing ones.
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Hash collision in git
What would actually happen if I had a hash collision while using git?
9 Answers
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SonarQube Exclude a directory
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How to exclude all *.html files from scanning here? Tried this sonar.exclusions=**/bin/**,*.html but it still takes html files also in the scanning. Html files are all sub folders in several places and adding in sub folder level here with a...