大约有 47,000 项符合查询结果(耗时:0.0646秒) [XML]
How to join absolute and relative urls?
...
You should use urlparse.urljoin :
>>> import urlparse
>>> urlparse.urljoin(url1, url2)
'http://127.0.0.1/test1/test4/test6.xml'
With Python 3 (where urlparse is renam>me m>d to urllib.parse) you could use it as follow:
>>> import urllib.parse
>&...
Emulate ggplot2 default color palette
What function can I use to emulate ggplot2's default color palette for a desired number of colors. For example, an input of 3 would produce a character vector of HEX colors with these colors:
...
How to rotate the background image in the container?
I want to rotate the image which is placed in the button of scrollbar in Chrom>me m>. Now I have a CSS with this content:
5 Answ...
Matplotlib different size subplots
...eed to add two subplots to a figure. One subplot needs to be about three tim>me m>s as wide as the second (sam>me m> height). I accomplished this using GridSpec and the colspan argum>me m>nt but I would like to do this using figure so I can save to PDF. I can adjust the first figure using the figsize argum...
How to safely open/close files in python 2.4
I'm currently writing a small script for use on one of our servers using Python. The server only has Python 2.4.4 installed.
...
How is performance affected by an unused using directive?
Visual Studio will automatically create using statem>me m>nts for you whenever you create a new page or project. Som>me m> of these you will never use.
...
Temporarily switch working copy to a specific Git commit
How to switch to specific Git commit without losing all the commits made after it ?
3 Answers
...
Difference between solr and lucene
I know that Lucene and Solr are 2 differents Apache projects that are made to work together, but I don't understand what is the aim of each project.
...
What is Data URI support like in major email client software?
Data URIs are a standard way to embed images and other binary data in HTML, and browser support is well docum>me m>nted on the web. (IE8 was the first version of IE to support Data URI, with a max 32 KB size per URI; other major browsers have supported it even longer.)
...
Rails :dependent => :destroy VS :dependent => :delete_all
...
The difference is with the callback.
The :delete_all is made directly in your application and deletes by SQL :
DELETE * FROM users where compagny_id = XXXX
With the :destroy, there is an instantiation of all of your children. So, if you can't destroy it or if each has their own...
