大约有 8,300 项符合查询结果（耗时：0.0172秒） [XML]
Internal Error 500 Apache, but nothing in the logs?
...tting 500 Internal Server errors when I try to make an HTTP POST to a specific address in my app. I've looked into the server logs in the custom log directory specified in the virtual hosts file, but the error doesn't show up there so debugging this has been a pain in the ass.
...
Dynamically change color to lighter or darker by percentage CSS (Javascript)
We have a big application on the site and we have a few links which are, let's say blue color like the blue links on this site. Now I want to make some other links, but with lighter color. Obviously I can just do simply by the hex code adding in the CSS file, but our site lets user decide what color...
I lose my data when the container exits
Despite Docker's Interactive tutorial and faq I lose my data when the container exits.
11 Answers
...
Import Maven dependencies in IntelliJ IDEA
I have a small question about IntelliJ IDEA 11. I just imported a project from subversion - its a maven project. But I have a problem in maven library dependencies so that I can't include all maven dependencies automatically - IDEA shows dependency errors only when I open that class/ Thats what I ge...
How do you run a crontab in Cygwin on Windows?
Some cygwin commands are .exe files, so you can run them with the standard Windows Scheduler, but others don't have an .exe extension so can't be run from DOS (it seems like).
...
What is the difference between “instantiated” and “initialized”?
I've been hearing these two words used in Microsoft tutorials for VB.NET. What is the difference between these two words when used in reference to variables?
...
How can I convert an RGB image into grayscale in Python?
...
How about doing it with Pillow:
from PIL import Image
img = Image.open('image.png').convert('LA')
img.save('greyscale.png')
Using matplotlib and the formula
Y' = 0.2989 R + 0.5870 G + 0.1140 B
you could do:
import numpy as np
import matplotlib.pypl...
How do I turn on SQL debug logging for ActiveRecord in RSpec tests?
I have some RSpec tests for my models and I would like to turn on SQL ActiveRecord logging just like I see in the Rails server mode. How to do that?
...
How to properly import a selfsigned certificate into Java keystore that is available to all Java app
I do want to import a self signed certificate into Java so any Java application that will try to establish a SSL connection will trust this certificate.
...
Is it possible to use argsort in descending order?
Consider the following code:
9 Answers
9
...