大约有 800 项符合查询结果（耗时：0.0238秒） [XML]
Why do you need to put #!/bin/bash at the beginning of a script file?
...flavors of ATT defaulted to sh (the Bourne shell), while older versions of BSD defaulted to csh (the C shell).
Even today (where most systems run bash, the "Bourne Again Shell"), scripts can be in bash, python, perl, ruby, PHP, etc, etc. For example, you might see #!/bin/perl or #!/bin/perl5.
PS:...
Listing only directories using ls in Bash?
...end of options" (--) key.
ls -d ./*/ ### more reliable BSD ls
ls -d -- */ ### more reliable GNU ls
3.-printf
To list each directory in its own line (in one column, similar to ls -1), use:
$ printf "%s\n" */ ### Correct even with "-", spaces or newlines....
Unresolved Import Issues with PyDev and Eclipse
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I am using eclipse kepler 4.3, PyDev 3.9.2 and on my ubuntu 14.04 I encountered with the same problem. I tried and spent hours, with all the above most of the options but in vain. Then I tried the following which was great:
Select Project-> Right...
Using LINQ to concatenate strings
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Made a test with 10.000.000 iterations, aggregate took 4.3 secs and string.join took 2.3 secs. So I would say the perf diff is unimportant for 99% of common use cases. So if you're already doing a lot of linq to process your data, there's usually no need to break that nice syntax...
Get line number while using grep
...name * | wc -l 1984 $ grep -nr name * | wc -l 1984 $ grep -V grep (BSD grep) 2.5.1-FreeBSD
– Miro A.
Mar 9 '18 at 10:47
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Bash: Copy named files recursively, preserving folder structure
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cp --parents is illegal option in OSX (BSD cp), but gcp (GNU cp) works fine. If it is not in your system yet use brew install coreutils. U will have many utils with g-prefix.
– kyb
Oct 17 '18 at 20:11
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LINQ Contains Case Insensitive
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Just FYI EF 4.3 does not support StartsWith. I get: LINQ to Entities does not recognize the method 'Boolean StartsWith(System.String, System.StringComparison)'
– nakhli
Dec 19 '13 at 10:39
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How do I find the location of the executable in C? [duplicate]
...", buf, bufsize) (Linux)
readlink("/proc/curproc/file", buf, bufsize) (FreeBSD)
readlink("/proc/self/path/a.out", buf, bufsize) (Solaris)
On Unixes without /proc (i.e. if above fails):
If argv[0] starts with "/" (absolute path) this is the path.
Otherwise if argv[0] contains "/" (relative path) a...
Android Gradle plugin 0.7.0: “duplicate files during packaging of APK”
...r me, still shows Warning:Dependency org.apache.httpcomponents:httpclient:4.3 is ignored for debug as it may be conflicting with the internal version provided by Android. In case of problem, please repackage it with jarjar to change the class packages
– VVB
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How to find the largest file in a directory and its subdirectories?
...ommand available to find out the largest files/directories on a Linux/UNIX/BSD filesystem. However, combination of following three commands (using pipes) you can easily find out list of largest files:
# du -a /var | sort -n -r | head -n 10
If you want more human readable output try:
$ cd /path/t...