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How to find patterns across multiple lines using grep?
... used as
pcregrep -M 'abc.*(\n|.)*efg' test.txt
where -M, --multiline allow patterns to match more than one line
There is a newer pcre2grep also. Both are provided by the PCRE project.
pcre2grep is available for Mac OS X via Mac Ports as part of port pcre2:
% sudo port install pcre2
and v...
Typing Enter/Return key using Python and Selenium?
... so I can't modify) doesn't have a Submit button. When working with it manually, I just type ENTER or RETURN . I need to know how to do that with the Selenium type command as there is no button to click.
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GitHub Windows client behind proxy
.... I am on a corporate Win 7 x64 computer behind a corporate proxy and firewall. Following various other posts and experimenting with multiple combinations of environment variables and config variables I have found the only way to get cloning and push updates to work is by using the HTTPS_PROXY envir...
Media Player called in state 0, error (-38,0)
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You need to call mediaPlayer.start() in the onPrepared method by using a listener.
You are getting this error because you are calling mediaPlayer.start() before it has reached the prepared state.
Here is how you can do it :
mp.setDataSo...
How do I download a binary file over HTTP?
...time.flv','C:\tmp\secretlylove.flv'). Binaries for wget and curl exist for all operating system via download as well. I still highly recommend using the standard library unless your writing code solely for your own lovin'.
– fny
Jan 23 '13 at 12:51
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Disable firefox same origin policy
...urn off Firefox's same origin policy (in terms of script access, I don't really care about cross domain requests).
7 Answe...
Search and replace in Vim across all the project files
...oking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open.
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How do I show the changes which have been staged?
I staged a few changes to be committed; how can I see the diff of all files which are staged for the next commit? I'm aware of git status , but I'd like to see the actual diffs - not just the names of files which are staged.
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Swift 和 .Net 开源，回顾 2015 年 9 大开源事件 - 开源 & Github - 清泛网 - 专注IT技能提升
...第一次开源了，它早已因开源基于 Linux 的 Android 和 Chrome OS 而名声大噪。它也开源了很多其他的软件。
今年，Google 开源了人工智能（AI）发动机 TensorFlow，该公司表示“该系统最初是由 Google 机器智能研究组织下的 Google Brain 团...
How to find out if a file exists in C# / .NET?
...e for existence of that file (something like the -e test in Perl or the os.path.exists() in Python) in C#.
4 Answers
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