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One-liner to check whether an iterator yields at least one element?
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any won't go beyond the first element if it's True. In case the iterator yields something false-ish you can write any(True for _ in iterator).
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Assignment inside lambda expression in Python
... for main in [lambda: sub(
['loop' for factor in [1, 2, 3] if sub(
['def'
for my_radius, my_height in [[10 * factor, 20 * factor]]
for my_cylinder in [Cylinder(my_radius, my_height)]],
echo(u"A cylinder with a r...
std::enable_if to conditionally compile a member function
...ying to get a simple example to work to understand how to use std::enable_if . After I read this answer , I thought it shouldn't be too hard to come up with a simple example. I want to use std::enable_if to choose between two member-functions and allow only one of them to be used.
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Proper way to wait for one function to finish before continuing?
...ne!');
});
}
As per @Janaka Pushpakumara's suggestion, you can now use arrow functions to achieve the same thing. For example:
firstFunction(() => console.log('huzzah, I\'m done!'))
Update: I answered this quite some time ago, and really want to update it. While callbacks are abso...
Where is my Django installation?
...top answer doesn't work, at least on linux.
From the Django tutorial:
If you have difficulty finding where the Django source files are
located on your system, run the following command:
python -c "
import sys
sys.path = sys.path[1:]
import django
print(django.__path__)"
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Authorize Attribute with Multiple Roles
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Now that's an idea worthy of Mac Gyver ;)
– Christian Sauer
Jun 12 '14 at 10:47
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PHP array delete by value (not key)
...nt) instead. No biggie, but just wanted anyone who had a similar issue to know that they weren't alone
– Angad
Aug 26 '13 at 14:11
8
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How to convert a set to a list in python?
...to a list. You can use the newly built list like any normal list in python now.
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What is the difference between the kernel space and the user space?
...ernel space in order to stop the users from messing up with the kernel, unknowingly.
So, when a system call occurs, a software interrupt is sent to the kernel. The CPU may hand over the control temporarily to the associated interrupt handler routine. The kernel process which was halted by the inter...
How to check a string for specific characters?
How can I check if a string has several specific characters in it using Python 2?
5 Answers
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