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How do I show a console output/window in a forms application?
...s that changing this mysterious Visual Studio setting does). Does anyone know how this works under the hood?
– uglycoyote
Aug 14 '18 at 22:45
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Abstract methods in Python [duplicate]
...e with Python. While the concept seems too easy for me in Java yet up till now I have been unable to understand in Python which is surprising to me at least.
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Make the current Git branch a master branch
...time they want to pull, else git will try to merge the changes into their (now) divergent local. The dangers of this are explained more in this answer
– 7yl4r
Mar 27 '17 at 14:56
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rbenv not changing ruby version
... by rbenv ( be sure you have the eval statement above in .bash_profile!). Now, all works as before. Thanks for helping me get this solved.
– John Wooten
Jul 11 '19 at 14:44
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Does a favicon have to be 32x32 or 16x16?
...ee any up to date info listed here, so here goes:
To answer this question now, 2 favicons will not do it if you want your icon to look great everywhere. See the sizes below:
16 x 16 – Standard size for browsers
24 x 24 – IE9 pinned site size for user interface
32 x 32 – IE new page tab, Wind...
Is there a way to make git pull automatically update submodules?
...ule and run submodule update. This really needs to be the accepted answer now
– John Neuhaus
Apr 27 '18 at 16:42
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Regex for password must contain at least eight characters, at least one number and both lower and up
...avor, \W matches only ASCII characters. So you haven't changed that, and now you have to filter out whitespace characters. Furthermore, all the parentheses and {1,} quantifiers you added are pure noise, and removing the non-greedy (?) operators was pointless. There is no improvement here.
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Escape a string for a sed replace pattern
...PED_REPLACE=$(printf '%s\n' "$REPLACE" | sed -e 's/[\/&]/\\&/g')
# Now you can use ESCAPED_REPLACE in the original sed statement
sed "s/KEYWORD/$ESCAPED_REPLACE/g"
If you ever need to escape the KEYWORD string, the following is the one you need:
sed -e 's/[]\/$*.^[]/\\&/g'
And can be...
Nullable Foreign Key bad practice?
Let's say you have a table Orders with a foreign key to a Customer Id. Now, suppose you want to add an Order without a Customer Id, (whether that should be possible is another question) you would have to make the foreign key NULL... Is that bad practice or would you rather work with a link table bet...
How do I get a file extension in PHP?
...uilt-in function to do that and not PHP (I am looking at Pythonistas right now :-)).
In fact, it does exist, but few people know it. Meet pathinfo():
$ext = pathinfo($filename, PATHINFO_EXTENSION);
This is fast and built-in. pathinfo() can give you other information, such as canonical path, depe...