大约有 42,000 项符合查询结果(耗时:0.0354秒) [XML]
Execute bash script from URL
...nately, leave off the initial redirection on yours, which is redirecting standard input; bash takes a filename to execute just fine without redirection, and <(command) syntax provides a path.
bash <(curl -s http://mywebsite.com/myscript.txt)
It may be clearer if you look at the output of ec...
List to array conversion to use ravel() function
I have a list in python and I want to convert it to an array to be able to use ravel() function.
6 Answers
...
How do I get the directory that a program is running from?
Is there a platform-agnostic and filesystem-agnostic method to obtain the full path of the directory from where a program is running using C/C++? Not to be confused with the current working directory. (Please don't suggest libraries unless they're standard ones like clib or STL.)
...
How to convert 'binary string' to normal string in Python3?
...
@lyomi In 2016 (and its nearly the end) people still use ascii. There are many many 'legacy' products and systems (including specifications), but there are also lots of reasons why you might be creating a 'binary string' where you don't want...
How can Xcode 6 adaptive UIs be backwards-compatible with iOS 7 and iOS 6?
...ith Size Classes in Interface Builder DO appear correctly on iOS 7 devices and the Preview in Xcode. For example, I changed some Auto Layout constraints and font sizes for Regular height Regular width and those changed constraints are visible in the iPad Simulator running iOS 7.0.
All size class op...
Matplotlib scatterplot; colour as a function of a third variable
...rt numpy as np
import matplotlib.pyplot as plt
# Generate data...
x = np.random.random(10)
y = np.random.random(10)
# Plot...
plt.scatter(x, y, c=y, s=500)
plt.gray()
plt.show()
Or, if you'd prefer a wider range of colormaps, you can also specify the cmap kwarg to scatter. To use the reverse...
Why do I get a SyntaxError for a Unicode escape in my file path?
The folder I want to get to is called python and is on my desktop.
7 Answers
7
...
How do I install from a local cache with pip?
...irtualenv environments. Is there a way that I can download a package once and then have pip install from a local cache?
...
Counting the number of option tags in a select tag in jQuery
...
You can use either length property and length is better on performance than size.
$('#input1 option').length;
OR you can use size function like (removed in jQuery v3)
$('#input1 option').size();
$(document).ready(function(){
console.log($('#input1 op...
Run PHP Task Asynchronously
I work on a somewhat large web application, and the backend is mostly in PHP. There are several places in the code where I need to complete some task, but I don't want to make the user wait for the result. For example, when creating a new account, I need to send them a welcome email. But when they h...