大约有 48,000 项符合查询结果（耗时：0.0645秒） [XML]
Passing a single item as IEnumerable
... well if the list/array is built ad-hoc, its scope ends after the method call, so it shouldn't cause problems
– Mario F
Oct 16 '09 at 12:55
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How to disable Crashlytics during development
...orting from the Crashlytics web dashboard for the debug version.
Wrap the call to Crashlytics.start() in an if statement that checks a debug flag. You could use either a custom flag or an approach like the ones proposed here: How to check if APK is signed or "debug build"?
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How to delete history of last 10 commands in shell?
...tory -d 1006; done; history -d $(history 1 | awk '{print $1}')
Wrap this all up in a function to add to your ~/.bashrc:
histdel(){
for h in $(seq $1 $2); do
history -d $1
done
history -d $(history 1 | awk '{print $1}')
}
Example deleting command 4, 5 and 6 (1049-1051) and hiding the...
“No backupset selected to be restored” SQL Server 2012
...message like ` The media set has 2 media families but only 1 are provided. All members must be provided.` -- does this mean that the backup source was different SQL Server version than backup target? When I try with the UI approach ("Restore"), I get message @ top No backupset selected to be restore...
jQuery, simple polling example
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setinterval would make an ajax call every 5 seconds no matter what. the way have written it (which i believe is good practice) will wait for the results THEN make another ajax request 5 seconds later. there are times i would use setinterval, but this is not...
Should I commit or rollback a read transaction?
...should close it. Committing releases any locks you may have had, and is equally sensible with ReadUncommitted or Serializable isolation levels. Relying on implicit rollback - while perhaps technically equivalent - is just poor form.
If that hasn't convinced you, just imagine the next guy who insert...
How do I comment out a block of tags in XML?
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@coderob Actually, even -- is not allowed within XML comments. So you might have to remove the entire -->
– 0fnt
Sep 30 '14 at 13:21
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Is there something like RStudio for Python? [closed]
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spyder or install python(x,y). it is great.
If you are new to Python, you can install the free Anaconda distribution (http://continuum.io/downloads.html), which will install Spyder for you, as well as Python 2.7 and IPython. Spyder is ve...
How to disable the highlight control state of a UIButton?
... to Custom.
In IB you can uncheck "Highlight adjusts image".
Programmatically you can use theButton.adjustsImageWhenHighlighted = NO;
Similar options are available for the "disabled" state as well.
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
...p as sleeping in the processlist! I was tearing my hair out until I killed all the threads that were open in the database in question, sleeping or not. That finally unlocked the table and let the update query run. The commenter mentioned something like "Sometimes a MySQL thread locks a table, then s...