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Run JavaScript when an element loses focus
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You're looking for the onblur event. Look here, for more details.
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How do I change column default value in PostgreSQL?
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'SET' is forgotten
ALTER TABLE ONLY users ALTER COLUMN lang SET DEFAULT 'en_GB';
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How to turn on line numbers in IDLE?
...nd check the Show line numbers in new windows box.
Version 3.7 or older:
Unfortunately there is not an option to display line numbers in IDLE although there is an enhancement request open for this.
However, there are a couple of ways to work around this:
Under the edit menu there is a go to line op...
Javadoc @see or {@link}?
...e thing multiple times in the description, and it is used as a replacement for multiple links to the same.
I based this opinion on randomly checking out documentation for a great variety of things in the standard library.
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What is the syntax for “not equal” in SQLite?
... @ban-geoengineering, here is a bunch of comments presenting arguments for usage of != or <>.
– user8554766
Jan 14 '19 at 11:39
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Python regular expressions return true/false
...ects are always true, and None is returned if there is no match. Just test for trueness.
if re.match(...):
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Can I add comments to a pip requirements file?
I'd like to add comments for a few packages in a pip requirements file. (Just to explain why that package is on the list.) Can I do this?
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Precedence and bitmask operations
...10 & (0b01 == 0) why would someone apply bitwise with yes no kind of information.
– Grijesh Chauhan
Feb 24 '14 at 10:35
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How to remove globally a package from Composer?
... it's ~/.composer), see http://getcomposer.org/doc/03-cli.md#composer-home for more details.
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How do I exit from the text window in Git?
I am using Windows and before committing, Git wants me to enter a text message and a new text window appears.
7 Answers
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