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How do I catch a numpy warning like it's an exception (not just for testing)?
I have to make a Lagrange polynomial in Python for a project I'm doing. I'm doing a barycentric style one to avoid using an explicit for-loop as opposed to a Newton's divided difference style one. The problem I have is that I need to catch a division by zero, but Python (or maybe numpy) just makes i...
Using Regular Expressions to Extract a Value in Java
I have several strings in the rough form:
13 Answers
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How can I add a column that doesn't allow nulls in a Postgresql database?
...LL" column to my Postgresql database using the following query (sanitized for the Internet):
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How to define two fields “unique” as couple
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There is a simple solution for you called unique_together which does exactly what you want.
For example:
class MyModel(models.Model):
field1 = models.CharField(max_length=50)
field2 = models.CharField(max_length=50)
class Meta:
unique_toget...
Heroku free account limited?
Currently, I am running wordpress as my blog engine on free hosting, but I'm planning to move to use git-based blog engine(Jekyll, Toto) on Ruby platform. Then I see Heroku provides free account features, but I don't see any detail on bandwidth, disk spaces, requests?
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How to avoid merge-commit hell on GitHub/BitBucket
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Rebase Feature Branches Before Merging
If you want to avoid merge commits, you need to ensure all commits are fast-forwards. You do this by making sure your feature branch rebases cleanly onto your line of development before a merge like so:
git chec...
Why do some websites add “Slugs” to the end of URLs? [closed]
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The slugs make the URL more user-friendly and you know what to expect when you click a link. Search engines such as Google, rank the pages higher if the searchword is in the URL.
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Forcing child to obey parent's curved borders in CSS
...a div inside of another div. #outer and #inner . #outer has curved borders and a white background. #inner has no curved borders and a green background. #inner extends beyond the curved borders of #outer . Is there anyway to stop this?
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Pull request without forking?
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If you don't have access to create branches on that repository, there is no way to create a pull request without forking.
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Do you need to close meta and link tags in HTML?
...ML who never closed meta and link tags in the HTML head section. The code worked fine; is closing these tags optional?
2 An...