大约有 30,000 项符合查询结果（耗时：0.0425秒） [XML]
fastest (low latency) method for Inter Process Communication between Java and C/C++
... 37877
This is along the lines of the accepted answer. System.nanotime() error (estimated by measuring nothing) is measured at around 40 nanos so for the IPC the actual result might be lower. Enjoy.
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Equivalent of LIMIT and OFFSET for SQL Server?
...lt;conditions...> ORDER BY columname1 OFFSET 100 ROWS
Then you get an error, so for use TOP and OFFSET together you need to separate it with a sub-query.
And if you need to use SELECT DISTINCT then the query is like:
SELECT TOP 20 FROM (SELECT DISTINCT columname1, columname2
WHERE <con...
How to fix a locale setting warning from Perl?
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Thanks! I had this error message when connecting with git to my server. After adding de_CH.UTF-8 (was not supported there but used locally) with dpkg-reconfigure locales the message is gone.
– Simon A. Eugster
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How do I disable log messages from the Requests library?
...I suggest using setLevel(logging.WARNING) to log also possible warning and error messages.
– razz0
Oct 15 '15 at 15:34
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Converting a date string to a DateTime object using Joda Time library
I have a date as a string in the following format "04/02/2011 20:27:05" . I am using Joda-Time library and would like to convert it to DateTime object. I did:
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Are nested try/except blocks in python a good programming practice?
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try:
return object.__getattribute__(item)
except AttributeError:
pass # fallback to dict
try:
return self.dict[item]
except KeyError:
raise AttributeError("The object doesn't have such attribute") from None
PS. has_key() has been deprecated for a l...
How to add a new audio (not mixing) into a video using ffmpeg?
...orked for me. My original audio was being overwritten, or I was getting an error like "failed to map memory" with the more complex 'amerge' example. It seems I needed -filter_complex amix.
ffmpeg -i videowithaudioyouwanttokeep.mp4 -i audiotooverlay.mp3 -vcodec copy -filter_complex amix -map 0:v -ma...
How do I create a basic UIButton programmatically?
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swift 3: gives error exped declaration at myButton.setTitle("Hi, Click")
– Xcodian Solangi
Dec 20 '17 at 9:14
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Android equivalent of NSUserDefaults in iOS
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I fixed the error in the code (was calling the non-existent getPreferences, not getSharedPreferences).
– Ben Clayton
Oct 19 '12 at 14:08
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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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