大约有 46,000 项符合查询结果（耗时：0.0580秒） [XML]
Convert to binary and keep leading zeros in Python
... convert an integer to binary using the bin() function in Python. However, it always removes the leading zeros, which I actually need, such that the result is always 8-bit:
...
How do I create directory if none exists using File class in Ruby?
...path)
unless File.directory?(dirname)
FileUtils.mkdir_p(dirname)
end
Edit: Here is a solution using the core libraries only (reimplementing the wheel, not recommended)
dirname = File.dirname(some_path)
tokens = dirname.split(/[\/\\]/) # don't forget the backslash for Windows! And to escape both...
Numpy: Get random set of rows from 2D array
..., 6])
>>> A[idx,:]
array([[0, 4, 1],
[1, 3, 1]])
Putting it together for a general case:
A[np.random.randint(A.shape[0], size=2), :]
For non replacement (numpy 1.7.0+):
A[np.random.choice(A.shape[0], 2, replace=False), :]
I do not believe there is a good way to generate rando...
find filenames NOT ending in specific extensions on Unix?
...
Or without ( and the need to escape it:
find . -not -name "*.exe" -not -name "*.dll"
and to also exclude the listing of directories
find . -not -name "*.exe" -not -name "*.dll" -not -type d
or in positive logic ;-)
find . ...
Is there a “do … until” in Python? [duplicate]
..., taken from the link above.
while True:
do_something()
if condition():
break
share
|
improve this answer
|
follow
|
...
Fragment over another fragment issue
When I'm showing one fragment (which is full screen with #77000000 background) over another fragment (let's call it main), my main fragment still reacts to clicks (we can click a button even if we don't see it).
...
How can the Euclidean distance be calculated with NumPy?
...follow
|
edited Mar 12 at 11:52
Nicolas Gervais
13.3k77 gold badges3434 silver badges5656 bronze badges
...
Running JAR file on Windows
I have a JAR file named helloworld.jar .
In order to run it, I'm executing the following command in a command-line window:
...
Cookie overflow in rails application?
...
You've got a 4kb limit on what you can store in a cookie, and when Rails converts your object into text for writing to the cookie its probably bigger than that limit.
Ruby on Rails ActionDispatch::Cookies::CookieOverflow error
That way this Co...
Are there any suggestions for developing a C# coding standards / best practices document? [closed]
I'm a recent AI graduate (circa 2 years) working for a modest operation. It has fallen to me (primarily as I'm the first 'adopter' in the department) to create a basic (read useful?) C# coding standards document.
...