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Regex select all text between tags
... some special characters listed in the example in the square brackets. The pipe character | simply means "OR".
+? Plus character states to select one or more of the above - order does not matter. Question mark changes the default behavior from 'greedy' to 'ungreedy'.
(?=(</pre>)) Selection h...
How do I run two commands in one line in Windows CMD?
...he Microsoft command interpreter.
In Windows 95, 98 and ME, you'd use the pipe character instead:
dir | echo foo
In MS-DOS 5.0 and later, through some earlier Windows and NT versions of the command interpreter, the (undocumented) command separator was character 20 (Ctrl+T) which I'll represent w...
Looping through a hash, or using an array in PowerShell
...ifferent than the foreach statement here. ForEach-Object makes use of the pipeline, which can be much faster if you're already working with a pipeline. The foreach statement does not; it's a simple loop.
– JamesQMurphy
Jan 3 '15 at 3:12
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How can I view a git log of just one user's commits?
When using git log , how can I filter by user so that I see only commits from that user?
15 Answers
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How to exclude certain messages by TAG name using Android adb logcat?
...
If you are using adb logcat you could pipe it through grep and use it's inverted matching:
From the grep manpage:
v, --invert-match
Invert the sense of matching, to select non-matching lines.
For example:
$adb logcat | grep --invert-match 'notsh...
Merge / convert multiple PDF files into one PDF
...putFile=output.pdf file1.pdf file2.pdf file3.pdf ...
This in turn can be piped directly into pdf2ps.
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Aborting a shell script if any command returns a non-zero value?
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Bear in mind that set -e sometimes is not enough, specially if you have pipes.
For example, suppose you have this script
#!/bin/bash
set -e
./configure > configure.log
make
... which works as expected: an error in configure aborts the execution.
Tomorrow you make a seemingly trivial ch...
What's the difference between a file descriptor and file pointer?
...tc.
File descriptor API is low-level, so it allows to work with sockets, pipes, memory-mapped files (and regular files, of course).
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Mozilla PDF.js：PDF在线预览 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...eatures to be supported.
IE8及以下缺失太多的功能特性以至于无法得到支持。
Is it possible to add annotations to aPDF?是否可以向pdf文件添加注解?
PDF.js is mainly written for reading PDF files, not editing them. Becauseof that we don't yet support adding ...
Extract substring in Bash
... The problem is that the input is dynamic since I also use the pipe to get it so it's basically. git log --oneline | head -1 | cut -c 9-(end -1)
– Niklas
Jul 31 '15 at 18:19
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