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Why do pthreads’ condition variable functions require a mutex?
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no, error handling is second to this. With pthreads, you can be woken up, for no apparent reason(a spurious wakeup) , and with out any error. Thus you need to recheck 'some condition' after you're woken up.
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.classpath and .project - check into version control or not?
... need to recreate all of those settings, which is annoying and potentially error prone.
Some complex setups may be better handled by a script to generate these files, but usually it is better to just check them in.
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Correct format specifier for double in printf
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Note that g++ rejects %lf when compiling with -Wall -Werror -pedantic: error: ISO C++ does not support the ‘%lf’ gnu_printf format
– kynan
Jun 10 '13 at 12:16
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Stop handler.postDelayed()
...an you please look at my code, I try to use your help´, but now I got the errors, you can see at my post.
– basti12354
Mar 28 '14 at 17:51
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Obtaining a powerset of a set in Java
...of the test cases, and the other half failed due timeout or caused runtime error.
– Eugenia Ozirna
Jan 12 '17 at 8:28
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Disable output buffering
...ad just call:
# sys.stdout.reconfigure(line_buffering=True)
except TypeError:
# Python 2
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
Credits: "Sebastian", somewhere on the Python mailing list.
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How do I see if Wi-Fi is connected on Android?
...d to check for NULL in mWiFi ... your code here could throw a null pointer error. See developer.android.com/training/basics/network-ops/managing.html and in particular "The method getActiveNetworkInfo() returns a NetworkInfo..."
– eb80
Jun 5 '14 at 12:24
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INSERT INTO…SELECT for all MySQL columns
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WHERE entry_date < '2011-01-01 00:00:00'
For avoiding primary key errors if you already have data in the archive table
INSERT INTO this_table_archive
SELECT t.*
FROM this_table t
LEFT JOIN this_table_archive a on a.id=t.id
WHERE t.entry_date < '2011-01-01 00:00:00'
AND a.id is null #...
Reactjs convert html string to jsx
... helpful. Also I tried out with few lines of html and I had a page full of error messages. Do someone have examples or any resources with documentation?
– Tarun Kolla
Jul 31 '19 at 14:49
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Create a completed Task
...d represents a faulted task. Such a method can simply return that for its error cases if it's important for the exception to be represented in the resulting task.
– Servy
Jan 15 '15 at 21:25
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