大约有 44,000 项符合查询结果（耗时：0.0586秒） [XML]
jquery's append not working with svg element?
...eading this answer I changed my createElement calls to createElementNS and now everything works!
– kitsu.eb
Jul 12 '13 at 21:01
...
What is the official “preferred” way to install pip and virtualenv systemwide?
...
If you can install the latest Python (2.7.9 and up) Pip is now bundled with it.
See: https://docs.python.org/2.7//installing/index.html
If not :
Update (from the release notes):
Beginning with v1.5.1, pip does not require setuptools prior to running get-pip.py. Additionally, if ...
Why were pandas merges in python faster than data.table merges in R in 2012?
...
It looks like Wes may have discovered a known issue in data.table when the number of unique strings (levels) is large: 10,000.
Does Rprof() reveal most of the time spent in the call sortedmatch(levels(i[[lc]]), levels(x[[rc]])? This isn't really the join itself (t...
Why would you use Oracle database? [closed]
...out the cost of developers time working with Oracle. Most developers who know any other db hate Oracle, those that don't assume that all DB code and/or ORM tools are difficult to use.
If I started a business that I believed was going to scale to Amazon proportions I might consider NoSQL solutions,...
How can I render inline JavaScript with Jade / Pug?
...
Jade's policy changed, the inline script tag should now have a . appended. So script. followed by your indented block of JS.
– joeytwiddle
Aug 27 '13 at 20:26
...
How do you fork your own repository on GitHub?
...new project based on this repository, but I don't want to affect how it is now. I tried forking it using the GitHub UI but it didn't do anything.
...
VIM Disable Automatic Newline At End Of File
...rc) (thanks to 罗泽轩 for that last bit of news!):
:set nofixendofline
Now regarding older versions of vim.
Even if the file was already saved with new lines at the end:
vim -b file
and once in vim:
:set noeol
:wq
done.
alternatively you can open files in vim with :e ++bin file
Yet another alte...
Multithreading: What is the point of more threads than cores?
...ou probably have several hundred threads all running on your machine right now. You won't ever get a situation where a thread runs without having time 'stolen' from it. (Well, you might if it's running real-time, if you're using a realtime OS or, even on Windows, use a real-time thread priority. ...
Sticky and NON-Sticky sessions
I want to know the difference between sticky- and non-sticky sessions. What I understood after reading from internet:
2 Ans...
Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b') [duplicate]
...the empty String (its length is zero);
otherwise the result is true.
Now to '0' == true.
Two type conversions will take place here. We can follow this in the specification, section 11.9.3, The Abstract Equality Comparison Algorithm.
The operands are denoted as x and y (x == y).
In our case...