大约有 41,000 项符合查询结果（耗时：0.0713秒） [XML]
Update a dataframe in pandas while iterating row by row
I have a pandas data frame that looks like this (its a pretty big one)
8 Answers
8
...
Benchmarking (python vs. c++ using BLAS) and (numpy)
I would like to write a program that makes extensive use of BLAS and LAPACK linear algebra functionalities. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate.
...
Android adb “Unable to open sync connection!”
I can run and debug my Android app on my phone just fine, most of the time. Then, seemingly randomly, when I try to run or debug my app from Eclipse, the Console in Eclipse says:
...
How can Xcode 6 adaptive UIs be backwards-compatible with iOS 7 and iOS 6?
I just watched the WWDC video #216, "Building Adaptive UI with UIKit."
8 Answers
8
...
Programmatically generate video or animated GIF in Python?
I have a series of images that I want to create a video from. Ideally I could specify a frame duration for each frame but a fixed frame rate would be fine too. I'm doing this in wxPython, so I can render to a wxDC or I can save the images to files, like PNG. Is there a Python library that will al...
PHP ORMs: Doctrine vs. Propel
I'm starting a new project with symfony which is readily integrated with Doctrine and Propel , but I of course need to make a choice.... I was wondering if more experienced people out there have general pros and/or cons for going with either of these two?
...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
I was testing my app on the simulator when it crashed on clicking a button of a UIAlertView. I stopped debugging there, made some changes to the code and built the app again. Now when I run the application, I get this error in the console
...
WAMP shows error 'MSVCR100.dll' is missing when install
When I tried to install WAMP , that popped up the following alert,
23 Answers
23
...
How do I set default values for functions parameters in Matlab?
Is it possible to have default arguments in Matlab? For instance, here:
16 Answers
16...
Cannot overwrite model once compiled Mongoose
Not Sure what I'm doing wrong, here is my check.js
28 Answers
28
...