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Get a list of all git commits, including the 'lost' ones
...nce between a commit deliberately orphaned by commit --amend or rebase and one accidentally orphaned by working with a detached HEAD, say.
– Cascabel
Jan 24 '11 at 21:22
3
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Why should I use an IDE? [closed]
...ly of IDEs, saying "some people still just dont know "why" they should use one...". As someone who uses vim for programming, and works in an environment where most/all of my colleagues use either vim or emacs for all of their work, what are the advantages of IDEs? Why should I use one?
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How to remove a key from a Python dictionary?
... dictionary, use the two-argument form of dict.pop():
my_dict.pop('key', None)
This will return my_dict[key] if key exists in the dictionary, and None otherwise. If the second parameter is not specified (ie. my_dict.pop('key')) and key does not exist, a KeyError is raised.
To delete a key that i...
How do I replace multiple spaces with a single space in C#?
How can I replace multiple spaces in a string with only one space in C#?
24 Answers
24...
select and update database record with a single queryset
...statements on the same queryset rather than having to do two queries:
- one to select the object
- and one to update the object
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Composer: how can I install another dependency without updating old ones?
I have a project with a few dependencies and I'd like to install another one, but I'd like to keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output:
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how to bypass Access-Control-Allow-Origin?
... tnx, but you should not allow access to all origins as mentioned by @RobQuist in his comment, and in his answer provided a better approach
– Rafay
Dec 13 '13 at 17:37
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What is the difference between String and string in C#?
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I always use the aliases because I've assumed one day it might come in handy because they are acting as an abstraction, so therefore can have their implementations changed without me having to know.
– Rob
Oct 12 '12 at 23:25
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How to get the selected radio button’s value?
...o longer working. I just want to find the value of the radio button (which one is selected) and return it to a variable. For some reason it keeps returning undefined .
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SQLAlchemy: cascade delete
...t quite right.
TL;DR
Give the child table a foreign or modify the existing one, adding ondelete='CASCADE':
parent_id = db.Column(db.Integer, db.ForeignKey('parent.id', ondelete='CASCADE'))
And one of the following relationships:
a) This on the parent table:
children = db.relationship('Child', backr...