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ImportError in importing from sklearn: cannot import name check_build
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Worked for me after installing scipy.
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Partly cherry-picking a commit with Git
...it 1.7.5.4, 'git add -p' says 'No changes' because it's all already in the index. I need to do a 'git reset HEAD' before 'git add' - any way to avoid that reset with some option?
– Felix Rabe
Jan 2 '12 at 9:55
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What is the difference between '/' and '//' when used for division?
...floating point division, and the latter is floor division, sometimes also called integer division.
In Python 2.2 or later in the 2.x line, there is no difference for integers unless you perform a from __future__ import division, which causes Python 2.x to adopt the 3.x behavior.
Regardless of the ...
Which is better in python, del or delattr?
... (foo)
6 LOAD_CONST 1 ('bar')
9 CALL_FUNCTION 2
12 POP_TOP
This translates into the first running slightly faster (but it's not a huge difference – .15 μs on my machine).
Like the others have said, you should really...
What techniques can be used to speed up C++ compilation times?
...ity that takes advantage of caching techniques to speed things up.
Use Parallelism
Many compilers / IDEs support using multiple cores/CPUs to do compilation simultaneously. In GNU Make (usually used with GCC), use the -j [N] option. In Visual Studio, there's an option under preferences to allow it...
Initialising an array of fixed size in python [duplicate]
...irements of the question because you have a defined size array and you can index one of the five elements without getting an IndexError. This is the closest thing to the C expression.
– user2233706
Oct 26 '14 at 17:43
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What is the use of static variable in C#? When to use it? Why can't I declare the static variable in
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A static variable shares the value of it among all instances of the class.
Example without declaring it static:
public class Variable
{
public int i = 5;
public void test()
{
i = i + 5;
Console.WriteLine(i);
}
}
public class Exercise
{
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Appending to an object
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This is the proper answer though; how can you know which index you are going to add new object ?
– Capan
Mar 15 '19 at 8:41
1
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Remove trailing newline from the elements of a string list
... strip_list.append(lines[a].strip())
a is a member of your list, not an index. What you could write is this:
[...]
for a in lines:
strip_list.append(a.strip())
Another important comment: you can create an empty list this way:
strip_list = [0] * 20
But this is not so useful, as .append a...
MemoryCache does not obey memory limits in configuration
...ximum cache size, but in my tests it does not appear that the cache is actually obeying the limits.
7 Answers
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