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Celery Received unregistered task of type (run example)
...istry.tasks to see a list of all of my current tasks. You can always check by running dir(celery.registry).
– Nick Brady
Sep 30 '16 at 18:21
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How does Git handle symbolic links?
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You can find out what Git does with a file by seeing what it does when you add it to the index. The index is like a pre-commit. With the index committed, you can use git checkout to bring everything that was in the index back into the working directory. So, what does ...
Is it wrong to place the tag after the tag?
...ipt right at the end of the body tag there's no other content left to load by the time it gets there, so there should be little difference between placing it outside or just inside. You then have the added benefit of your page still validating, which was the point I was trying to make in my answer....
Set the value of an input field
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This is one way of doing it:
document.getElementById("mytext").value = "My value";
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Trying to SSH into an Amazon Ec2 instance - permission error
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The problem is having wrong mod on the file.
Easily solved by executing -
chmod 400 mykey.pem
Taken from Amazon's instructions -
Your key file must not be publicly viewable for SSH to work. Use this
command if needed: chmod 400 mykey.pem
400 protects it by making it read o...
Declaring javascript object method in constructor function vs. in prototype [duplicate]
...ing methods in the constructor) is that you can take advantage of closures by making use of local variables defined within the constructor in your methods. These variables are not directly accessible outside the constructor function so are effectively "private", meaning your API is cleaner than if t...
How do I cast a variable in Scala?
...e a way to get 'base' casted to MyConcrete even if want to extract "value" by exploiting the 'unapply' call performed by "case MyConcrete(value)" ?
– ithkuil
Dec 11 '10 at 17:52
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Eclipse count lines of code
...xport -> Other -> Metrics.
You can adjust the Lines of Code metrics by ignoring blank and comment-only lines or exclude Javadoc if you want. To do this check the tab at Preferences -> Metrics -> LoC.
That's it. There is no special option to exclude curly braces {}.
The plugin offers a...
Python: Get the first character of the first string in a list?
...hings up for me:
"Losing your Loops, Fast Numerical Computing with NumPy" by PyCon 2015:
https://youtu.be/EEUXKG97YRw?t=22m22s
"NumPy Beginner | SciPy 2016 Tutorial" by Alexandre Chabot LeClerc:
https://youtu.be/gtejJ3RCddE?t=1h24m54s
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Python syntax for “if a or b or c but not all of them”
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Which translates the title of your question.
UPDATE: as correctly said by Volatility and Supr, you can apply De Morgan's law and obtain equivalent:
if (a or b or c) and not (a and b and c):
My advice is to use whichever form is more significant to you and to other programmers. The first means...