大约有 48,000 项符合查询结果（耗时：0.0795秒） [XML]
Store output of subprocess.Popen call in a string
I'm trying to make a system call in Python and store the output to a string that I can manipulate in the Python program.
15...
ruby on rails f.select options with custom attributes
...
This is not possible directly with Rails, and you'll have to create your own helper to create the custom attributes. That said, there are probably two different ways to accomplish what you want:
(1) Using a custom attribute name in HTML5. In HTML5 you are allowed to...
Do browsers parse javascript on every page load?
Do browsers (IE and Firefox) parse linked javascript files every time the page refreshes?
6 Answers
...
Trigger a button click with JavaScript on the Enter key in a text box
I have one text input and one button (see below). How can I use JavaScript to trigger the button's click event when the Enter key is pressed inside the text box?
...
How do I export UIImage array as a movie?
...
Take a look at AVAssetWriter and the rest of the AVFoundation framework. The writer has an input of type AVAssetWriterInput, which in turn has a method called appendSampleBuffer: that lets you add individual frames to a video stream. Essentially you’ll...
Django: Why do some model fields clash with each other?
...Jul 17 '09 at 10:20
Daniel RosemanDaniel Roseman
521k5151 gold badges699699 silver badges746746 bronze badges
...
WPF OpenFileDialog with the MVVM pattern? [duplicate]
...hing like the MVVM Toolkit or similar thing (so I can get a base ViewModel and a RelayCommand).
Here's an example of an extremely simple interface for doing basic IO operations like OpenFileDialog and OpenFile. I'm showing them both here so you don't think I'm suggesting you create one interface w...
Git: Pull from other remote
...
git pull is really just a shorthand for git pull <remote> <branchname>, in most cases it's equivalent to git pull origin master. You will need to add another remote and pull explicitly from it. This page describes it in detail:
http://help.gith...
How do I split a string into an array of characters? [duplicate]
...ble, which means you can't set the value of a character using this method, and that it isn't supported by IE7 (if that still matters to you).
var s = "overpopulation";
console.log(s[3]); // logs 'r'
share
|
...
How do you do natural logs (e.g. “ln()”) with numpy in Python?
...
np.log is ln, whereas np.log10 is your standard base 10 log.
Relevant documentation:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log.html
http://docs.scipy.org/doc/numpy/reference/generated/numpy.log10.html
...