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What are these ^M's that keep showing up in my files in emacs?
... This answer ONLY applies if your platform is Windows! If you work on Mac/Linux, "true" should become "input" ! See help.github.com/articles/dealing-with-line-endings and here: stackoverflow.com/questions/9225599/…
– K.-Michael Aye
May 4 '16 at 23:07
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How can I clear previous output in Terminal in Mac OS X?
...or system-wide /etc/profile). This should work for desktop environments in macOS, FreeBSD, Linux etc. Note the extra \33c is for clearing the extra \e[3J literal in non-macOS (basically for Linux/FreeBSD, we only need printf '\33c').
– vulcan raven
Aug 8 '19 at...
Mac OS X - EnvironmentError: mysql_config not found
...able.
If all above steps fail, then you could try installing 'mysql' using MacPorts, in which case the file 'mysql_config' would actually be called 'mysql_config5', and in this case, you would have to do this after installing: export PATH=$PATH:/opt/local/lib/mysql5/bin. You can find more details he...
Is there a command like “watch” or “inotifywait” on the Mac?
I want to watch a folder on my Mac (Snow Leopard) and then execute a script (giving it the filename of what was just moved into a folder (as a parameter... x.sh "filename")).
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How to insert a newline in front of a pattern?
... I'm not sure this works in all versions of sed. I tried this on my Mac and the \n just gets output as 'n'
– Todd Gamblin
Apr 6 '09 at 21:13
4
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psql: could not connect to server: No such file or directory (Mac OS X)
Upon restarting my Mac I got the dreaded Postgres error:
21 Answers
21
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从Code Review 谈如何做技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...找到程序中的问题。代码审查一般可以找到及移除约65%的错误，最高可以到85%。
也有研究针对代码审查找到的缺陷类型进行分析。代码审查找到的缺陷中，有75%是和计算机安全隐患有关。对于产品生命周期很长的软件公司而言...
Adding git branch on the Bash command prompt
...-prompt.sh).
Option 1: use an existing copy on your filesystem. Example (Mac OS X 10.15):
$ find / -name 'git-prompt.sh' -type f -print -quit 2>/dev/null
/Library/Developer/CommandLineTools/usr/share/git-core/git-prompt.sh
Option 2: Pull the script from GitHub.
Next, add the following line ...
How can I start PostgreSQL server on Mac OS X?
...rt)
Cleaning up
PostgreSQL was most likely installed via Homebrew, Fink, MacPorts or the EnterpriseDB installer.
Check the output of the following commands to determine which package manager it was installed with:
brew && brew list|grep postgres
fink && fink list|grep postgres
port...
Mac OSX Lion DNS lookup order [closed]
After upgrading to Mac OSX Lion I figured out that /etc/hosts is not looked up in first place for name resolution anymore. This leads to some side effects like:
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