大约有 30,000 项符合查询结果（耗时：0.0646秒） [XML]
why is plotting with Matplotlib so slow?
I'm currently evaluating different python plotting libraries. Right now I'm trying matplotlib and I'm quite disappointed with the performance. The following example is modified from SciPy examples and gives me only ~ 8 frames per second!
...
File name? Path name? Base name? Naming standard for pieces of a path
...
Python's pathlib standard library has a great naming convention for path components:
https://docs.python.org/3/library/pathlib.html
a) C:\users\OddThinking\Documents\My Source\Widget\foo.src
stem
b) C:\users\OddThinkin...
Fastest way to check if a value exists in a list
...
which version of python is this?
– cowbert
Sep 12 '17 at 20:02
...
How to add an extra column to a NumPy array
...
@JoshAdel: I tried your code on ipython, and I think there's a syntax error. You might want to try changing a = np.random.rand((N,N)) to a = np.random.rand(N,N)
– hlin117
Apr 11 '15 at 15:23
...
How to move files from one git repo to another (not a clone), preserving history
...E || echo "Nothing to do"' --prune-empty -- --all
# eg. FILE_TO_KEEP = pom.xml to keep only the pom.xml file from FOLDER_TO_KEEP
Stage Two
Cleanup step
git reset --hard
Cleanup step
git gc --aggressive
Cleanup step
git prune
You may want to import these files into repository B within a ...
npm install error - MSB3428: Could not load the Visual C++ component “VCBuild.exe”
...ne finding an issue of the installers taking forever, I found my issue was python, I uninstalled both my versions 3 and versions 2.
The re-ran the command in PowerShell terminal as the admin and it installed almost straight away.
npm install --global --production windows-build-tools
...
Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
...
Perhaps it is because the order of items in a list in Python are persistent whereas the ordering of items in a dictionary are not. You can instantiate a DataFrame with an empty dictionary. In principle I suppose a single-row DataFrame as shown here would also be ok to build from...
In Java, what does NaN mean?
...fined (in arithmetics)"... Its not! its actually i and some languages like python deal very well with it... It may be not the case in java thou
– Rafael T
Feb 10 '14 at 18:40
5
...
List files ONLY in the current directory
In Python, I only want to list all the files in the current directory ONLY. I do not want files listed from any sub directory or parent.
...
How do CDI and EJB compare? interact?
...be declared via annotations, JSF Managed Beans still had to be declared in XML. The current version of JSF Managed Beans are also finally declared via an annotation and the scopes are expanded with a view scope and the ability to create custom scopes. The view scope, which remembers data between req...