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How to replace strings containing slashes with sed?
...nce you don't always know what characters are in a string to be able to choose something different. eg, this: echo / | sed s/\//a/g does not work: sed: -e expression #1, char 5: unknown option to `s'
– Max Waterman
Sep 3 '19 at 3:42
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Impossible to Install PG gem on my mac with Mavericks
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If you want to avoid using MacPorts, you can download the Postgres App and place it into the Application directory.
Then, specify the location of newly downloaded pg_config:
gem install pg -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/latest/bin/pg_config
If y...
Threading pool similar to the multiprocessing Pool?
...ssing.dummy which is mentioned briefly in the docs. This dummy module supposedly provides the whole multiprocessing interface based on threads.
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Content Security Policy “data” not working for base64 Images in Chrome 28
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Try this
data to load:
<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'><path fill='#343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/></svg>
get a utf8 to base64 convertor and convert the "svg" string to:
PHN2ZyB4bWxucz0naHR0cDovL3d3dy...
Visual Studio “Could not copy” … during build
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I have encountered similar error messages in Visual Studio 2013.
Mostly, I have found that this situation has occurred when a debug process was halted because of an exception.
When clean+build has not resolved this problem for me, I have had success by doing the following:
Closing Visual...
How do you loop in a Windows batch file?
...mmand can be any internal or external command, batch file or even - in OS/2 and NT - a list of commands
parameters contains the command line parameters for command.
In this example, command will be executed once for every element in list, using parameters if specified.
A special type of param...
How do I alias commands in git?
...ace the aliases in ~/.gitconfig instead of .git/config for your current repository.
– Cascabel
Mar 31 '10 at 14:56
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pycharm running way slow
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I posted two questions: one was named "[PyCharm-Problem] PyCharm running very slowly" and the other was named "[PyCharm-Problem] PyCharm doesn't recognize built-ins and certain modules" but anyway, you already responded to both ...
Where to find Java JDK Source Code? [closed]
...th JDK 7 and JDK 6.
Additionally you can browse or clone the Mercurial repositories: 8, 7, 6.
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Clear variable in python
... in that setting a variable to null in PHP gives you similar behaviour in most cases as if you hadn't defined it in the first place. A value of None in Python is quite different from an undefined variable. None is quite like most other incarnations of null, however (until we get into more arcane det...