大约有 1,490 项符合查询结果(耗时:0.0126秒) [XML]

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What happens to an open file handle on Linux if the pointed file gets moved or deleted

...er(file descriptor) is okay, you can call this function. /** * version : 1.1 * date : 2015-02-05 * func : check if the fileDescriptor is fine. */ #include <unistd.h> #include <fcntl.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include ...
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Validate decimal numbers in JavaScript - IsNumeric()

...mber literals: IsNumeric(-1) == false; IsNumeric(0) == false; IsNumeric(1.1) == false; IsNumeric(8e5) == false; Some time ago I had to implement an IsNumeric function, to find out if a variable contained a numeric value, regardless of its type, it could be a String containing a numeric value (I...
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Runtime vs. Compile time

... Exceptions. Hashtable was one but I found the biggest step was .net 1.1 to .net 2.0, going from untyped to typed datasets (and now linq). Trying to troubleshoot a broken form with a dodgy database used to make me very sad! – Spence May 10 '09 at 21:35 ...
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How to paste yanked text into the Vim command line

...mmand line. Perhaps I'm missing something. (Ubuntu 19.04/2:8.1.0320-1ubuntu3.1). – Max Waterman Aug 15 '19 at 10:30  |  show 3 more comments ...
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Understanding checked vs unchecked exceptions in Java

... re: 3.1 "log it and return" Do so judiciously. This is very close to eating or hiding and exception. I'd do this for something that does not indicate a problem, that is not really exceptional. Logs get flooded and ignored too eas...
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How to exclude file only from root folder in Git

... If the above solution does not work for you, try this: #1.1 Do NOT ignore file pattern in any subdirectory !*/config.php #1.2 ...only ignore it in the current directory /config.php ########################## # 2.1 Ignore file pattern everywhere config.php # 2.2 ...but NOT in th...
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How to use OpenSSL to encrypt/decrypt files?

...t states: “The default digest was changed from MD5 to SHA256 in Openssl 1.1.0.” Source: github.com/openssl/openssl/blob/master/doc/man1/enc.pod – Kebman Jul 5 '18 at 15:43 ...
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Dynamically adding a form to a Django formset with Ajax

... I found that in Django 1.1 you'll need to assign a value to the prefix member of the Formset Object. This should the same value as the type argument for the cloneMore function. – Derek Reynolds Feb 11 '10 at 1...
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SVG fill color transparency / alpha?

...CSS3 Color, which is one step away from becoming a w3c recommendation. SVG 1.1 doesn't reference CSS3 Color because it wasn't available at the time, a future version of SVG probably will. – Erik Dahlström May 19 '11 at 8:40 ...
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NAnt or MSBuild, which one to choose and when?

... I agree. DotNet 1.1 didn't have msbuild.exe. So we were screwed back then. Since 2.0, msbuild.exe and the extra libraries do alot. And writing a custom MsBuild-Task has a learning curve, but I've written about 10 of them over the years. ...