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RVM is not a function, selecting rubies with 'rvm use …' will not work
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@AdityaPednekar So, sometimes reading the error/console message actually helps, RVM is not a function, selecting rubies with 'rvm use ...' will not work. You need to change your terminal emulator preferences to allow login shell. Sometimes it is required to use /b...
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
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Python truncate a long string
... wonder how this performs compared to say stackoverflow.com/a/52279347/1834057, when performance is crucial
– Nicholas Hamilton
Sep 9 '19 at 22:54
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...and there are missing precompiled files you will get an "AssetNoPrecompiledError" indicating the name of the missing file.
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Commenting multiple lines in DOS batch file
... to be executed.Though the code thede will still be parsed
and some syntax errors will be detected (FOR,IF ,improperly closed brackets, wrong parameter expansion ..).So if it is possible it's better to use GOTO.
Though it is not possible to create a macro/variable used as a label - but is possible ...
Display name of the current file in vim?
How do you display the filename of the file you are working on in vim?
9 Answers
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I don't understand -Wl,-rpath -Wl,
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-Wl,-rpath,/path/to/foo -L/path/to/foo -lbaz
or you may end up with an error like
ld: cannot find -lbaz
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MISCONF Redis is configured to save RDB snapshots
During writes to Redis ( SET foo bar ) I am getting the following error:
31 Answers
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 13: ordinal not in range(128)
...g this line.decode('utf-8').strip().lower().split() also gives me the same error. I have added the .deocode('utf-8')
– Aman Mathur
Apr 22 '17 at 7:31
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OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
I successfully implemented the OpenCV square-detection example in my test application, but now need to filter the output, because it's quite messy - or is my code wrong?
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