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Check if value already exists within list of dictionaries?
... above code can give you a KeyError. You can fix this by using get and providing a default value. If you don't provide a default value, None is returned.
if not any(d.get('main_color', default_value) == 'red' for d in a):
# does not exist
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Git: updating remote branch information
...r here. It vanishing without requesting was therefore thought to be a bad idea. That's why you need to explicitely prune remote-tracking branches.
– Jakub Narębski
Jan 21 '11 at 0:06
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Is it possible to use jQuery .on and hover?
... //stuff to do on mouse leave
}
});
According to the answers provided below you can use hover with .on(), but:
Although strongly discouraged for new code, you may see the
pseudo-event-name "hover" used as a shorthand for the string
"mouseenter mouseleave". It attaches a single even...
Persistent invalid graphics state error when using ggplot2
...cs device was messed up earlier somehow by exporting some graphics and it didn't get reset. This worked for me and it's simpler than reinstalling ggplot2.
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Iterating through a range of dates in Python
...s, some very useful, like relative deltas—and is implemented as a single file (module) that's easily included into a project.
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How do I create a datetime in Python from milliseconds?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
How should I copy Strings in Java?
...nothing to do with it. It's simply how object references work. I could provide an equivalent StringBuilder example.
– GriffeyDog
May 15 '12 at 20:11
1
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Suppress/ print without b' prefix for bytes in Python 3
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Side note: I don't think any of the other answers truly answer the question.
– Mateen Ulhaq
Jul 29 '19 at 6:42
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Android adding simple animations while setvisibility(view.Gone)
... add animations when textview click event and I don't know how to use it.
Did my xml design looks good or not?
Any suggestions would be appreciated.
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Purpose of asterisk before a CSS property
...ow. It may or may
not work in future versions. Warning:
this uses invalid CSS.
From: http://www.javascriptkit.com/dhtmltutors/csshacks3.shtml
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