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How do you comment out code in PowerShell?
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It's the #.
See PowerShell - Special Characters And Tokens for special characters.
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SVN needs-lock 设置强制只读属性（官方资料） - 更多技术 - 清泛网 - 专注...
... TEMP=c:\temp
if exist %TEMP%\tempfile%2 del %TEMP%\tempfile%2
for /f "tokens=1,2 usebackq" %%i in (`%SVNLOOK% changed -t %2 %1`) do @if %%i==A @echo %%j >> %TEMP%\tempfile%2
if not exist %TEMP%\tempfile%2 goto NOFILESADDED
for /f "usebackq" %%i in (`findstr /E /I /R "\.bmp.$ \.gif.$ \.ico...
MySQL InnoDB not releasing disk space after deleting data rows from table
... 2M data rows. When I deleted data rows from the table, it did not release allocated disk space. Nor did the size of the ibdata1 file reduce after running the optimize table command.
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How to have an auto incrementing version number (Visual Studio)? [duplicate]
... This also works great for generating a build-specific cache busting token for JS and CSS references.
– Kelly Adams
Mar 30 '13 at 0:17
3
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How to determine if an NSDate is today?
...me for the second date and compare:
NSCalendar * gregorian = [[NSCalendar alloc]
initWithCalendarIdentifier:NSGregorianCalendar];
NSDateComponents * components =
[gregorian components:
(NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit)
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
... the size of str in the second example will show you that the compiler has allocated 7 bytes for it:
printf("%d", sizeof(str));
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How to convert a string to lower case in Bash?
...uby`
Or Perl (probably my favorite):
b=`perl -e "print lc('$a');"`
Or PHP:
b=`php -r "print strtolower('$a');"`
Or Awk:
b=`echo "$a" | awk '{ print tolower($1) }'`
Or Sed:
b=`echo "$a" | sed 's/./\L&/g'`
Or Bash 4:
b=${a,,}
Or NodeJS if you have it (and are a bit nuts...):
b=`e...
iPhone viewWillAppear not firing
... setting up the view controllers on the respective controller (right after allocation). From then on, it correctly called these methods on its child view controllers.
My hierarchy is like this:
window
UITabBarController (subclass of)
UIViewController (subclass of) // <-- manually ca...
Check for column name in a SqlDataReader object
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You're enumerating the field names multiple times / allocating another array to scan with a contains, this would be much less performant in high traffic code.
– Chad Grant
Oct 4 '19 at 17:44
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Can a C++ enum class have methods?
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I'm getting " error: missing binary operator before token "switch" "
– Pedro77
Feb 27 at 16:46
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