大约有 800 项符合查询结果(耗时:0.0150秒) [XML]

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How to use sed/grep to extract text between two words?

... Note that GNU grep's -P option does not exist in the grep included in *BSD, or the ones that come with any SVR4 (Solaris, etc). In FreeBSD, you can install the devel/pcre port which includes pcregrep, which supports PCRE (and look-ahead/behind). Older versions of OSX used GNU grep, but in OSX M...
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Maximum length for MySQL type text

... side note: I think 4.3 billion characters would be more of an entire book than just a chapter ^^ Assuming 80 characters per line and 50 lines per page (both of which are pretty generous and would probably be an a4-sized book), that still equals...
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions

... XCODE 4.3 doesn't put all the autoconf etc. tools in the Developer folder. It doesn't even create that folder in MACINTOSH HD. I had to downgrade to XCODE 4.2.1 which installs everything you need in the Developer folder and now I s...
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How can I have a newline in a string in sh?

...ntf '<%s>\n' "$FOO" printf '<%s>\n' "$BAR" There! No SYSV vs BSD echo madness, everything gets neatly printed and fully portable support for C escape sequences. Everybody please use printf now and never look back. ...
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Get environment variable value in Dockerfile

...s part of brew install gettext. But because of possible conflicts with the BSD build system it is "keg-only" and no symlnks are made. However, it is safe to do ln -s /usr/local/Cellar/gettext/*/bin/envsubst /usr/local/bin/ to add that one command to your PATH. (It's really the libs that are the conc...
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String.format() to format double in java

... David TangDavid Tang 84.3k2828 gold badges156156 silver badges144144 bronze badges ...
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How to change UIPickerView height

... This worked. 4.3. I init with frame and setframe before first appearance. – griotspeak May 21 '11 at 13:41 2 ...
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How to check if a process id (PID) exists

... implementation details of Linux, it will fail to work on Mac, Solaris or *BSD. It may even fail on future Linux kernels. Please - use "ps" as described in other responses. share | improve this answ...
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“Remote System Explorer Operation” causing freeze for couple of seconds

...stems view to previous state Restart Eclipse Note: You must have Eclipse 4.3.1 (or newer) due to a bug on previous version share | improve this answer | follow ...
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How to select a CRAN mirror in R

... function did not work as described using Anaconda's distribution of R, v3.4.3, with the snapshot set to 2017-09-01. – Steven C. Howell Jul 16 '18 at 20:56 add a comment ...