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How to run a command in the background and get no output?
...tooth1990 Your command line is faulty: -bash: syntax error near unexpected token '&'
– notes-jj
Feb 1 '17 at 17:28
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Pipe subprocess standard output to a variable [duplicate]
...to pipe that indstead. You should also break up the command into a list of tokens as I've done below, or the alternative is to pass the shell=True argument but this fires up a fully-blown shell which can be dangerous if you don't control the contents of the command string.
>>> proc = subpr...
Reading a string with scanf
...ld take it then that this would not be the case with a pointer to a string allocated through malloc()?
– abeln
Mar 23 '11 at 15:04
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What is the difference between `new Object()` and object literal notation?
...re there are differences between the two syntaxes when you get into memory allocation.
– newshorts
May 20 '15 at 0:29
2
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Replace a string in shell script using a variable
... $replace outside of any quotes will cause the shell to perform whitespace tokenization and wildcard expansion on the value. This will appear to work with simple values, but could blow up dramatically on nontrivial strings. Don't use this in production code.
– tripleee
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How do you comment out code in PowerShell?
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It's the #.
See PowerShell - Special Characters And Tokens for special characters.
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SVN needs-lock 设置强制只读属性(官方资料) - 更多技术 - 清泛网 - 专注...
... TEMP=c:\temp
if exist %TEMP%\tempfile%2 del %TEMP%\tempfile%2
for /f "tokens=1,2 usebackq" %%i in (`%SVNLOOK% changed -t %2 %1`) do @if %%i==A @echo %%j >> %TEMP%\tempfile%2
if not exist %TEMP%\tempfile%2 goto NOFILESADDED
for /f "usebackq" %%i in (`findstr /E /I /R "\.bmp.$ \.gif.$ \.ico...
Is there a performance difference between a for loop and a for-each loop?
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There is the performance penalty of allocating the iterator. I had some highly parallel code in an Android live wallpaper. I saw that the garbage collector was going crazy. It was because for-each loops were allocating temporary iterators in many different (sho...
Write to file, but overwrite it if it exists
..." &>| test.txt results in error -bash: syntax error near unexpected token |. My noclobber is set On.
– Tu Bui
May 17 '19 at 17:46
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Where are an UIWebView's cookies stored?
...NSString *)msgOrNil {
NSMutableString *cookieDescs = [[[NSMutableString alloc] init] autorelease];
NSHTTPCookie *cookie;
NSHTTPCookieStorage *cookieJar = [NSHTTPCookieStorage sharedHTTPCookieStorage];
for (cookie in [cookieJar cookies]) {
[cookieDescs appendString:[self cookieDescription:cook...
