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PostgreSQL - how to quickly drop a user with existing privileges
...se user I'm using for experimenting. Is there any way to drop the user without having to revoke all his rights manually first, or revoke all the grants a user has?
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How do I get the picture size with PIL?
...umpy (deprecated)
I keep scipy.ndimage.imread as the information is still out there, but keep in mind:
imread is deprecated! imread is deprecated in SciPy 1.0.0, and [was] removed in 1.2.0.
import scipy.ndimage
height, width, channels = scipy.ndimage.imread(filepath).shape
Alternative #2: P...
Placement of the asterisk in pointer declarations
...o finally learn C/C++, and there is one thing I do not really understand about pointers or more precisely, their definition.
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Different bash prompt for different vi editing mode?
...ds on the mode you are currently in (insert or command). How does one find out this editing mode?
8 Answers
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
... the ruby versions available to install by running rvm list known.
In the output you should now see:
# MRI Rubies
...
[ruby-]1.9.2[-p320]
...
The square brackets around the patch level indicate that this is currently RVM's default patch level for ruby 1.9.2.
Finally, to install the new ruby ver...
How can I match a string with a regex in Bash?
...ameter, neither does it put it automatically into a $REPLY variable. Watch Out!
– user4146732
Feb 4 '17 at 16:32
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Xcode 6 - How to pick signing certificate/provisioning profile for Ad-Hoc distribution?
... So Apple updates XCode to generate crappy XC Prov Profiles but forgets about XCodeBuild. We just got lucky this time. Oh! How Apple makes us suffer!
– kamyFC
Dec 11 '14 at 9:31
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How do I exit from the text window in Git?
...ill commit with the message you typed. In your current state, to just come out without committing, you can do :q instead of the :wq as mentioned above.
Alternatively, you can just do git commit -m '<message>' instead of having git open the editor to type the message.
Note that you can also c...
Change default app.config at runtime
...runtime of your application, simply put AppConfig.Change(tempFileName) without the using somewhere at the start of your application.
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git: abort commit in the middle of typing message
...ge to a different file (:w /some/other/path.txt). Then exit the editor without saving (:q!). If you previously saved the file to its original path, delete everything and write the empty file first (an empty commit message will abort the commit).
Now, when you're ready to commit "for reals", use the...