大约有 47,000 项符合查询结果（耗时：0.0725秒） [XML]
C++11 introduced a standardized memory model. What does it mean? And how is it going to affect C++ p
...om now.
The abstract machine in the C++98/C++03 specification is fundamentally single-threaded. So it is not possible to write multi-threaded C++ code that is "fully portable" with respect to the spec. The spec does not even say anything about the atomicity of memory loads and stores or the order...
What is the most ridiculous pessimization you've seen? [closed]
We all know that premature optimization is the root of all evil because it leads to unreadable/unmaintainable code. Even worse is pessimization, when someone implements an "optimization" because they think it will be faster, but it ends up being slower, as well as being buggy, unmaintainable, etc...
How to clear all s’ contents inside a parent ?
...
empty() also clears all the content that is generated with jQuery.
– MikkoP
Feb 3 '14 at 15:32
add a comment
...
My Git repository is in the wrong root directory. Can I move it? (../ instead of ./)
...ave behind a lot of "moved this file here" history entries that aren't actually changes, but you fixing a screwup at creation time. Better to just create it right.
share
|
improve this answer
...
What is the easiest way to remove all packages installed by pip?
I'm trying to fix up one of my virtualenvs - I'd like to reset all of the installed libraries back to the ones that match production.
...
How do I strip all spaces out of a string in PHP? [duplicate]
How can I strip / remove all spaces of a string in PHP?
4 Answers
4
...
How do I see all foreign keys to a table or column?
In MySQL, how do I get a list of all foreign key constraints pointing to a particular table? a particular column? This is the same thing as this Oracle question , but for MySQL.
...
Extracting an attribute value with beautifulsoup
...
.find_all() returns list of all found elements, so:
input_tag = soup.find_all(attrs={"name" : "stainfo"})
input_tag is a list (probably containing only one element). Depending on what you want exactly you either should do:
out...
Using Rails 3.1 assets pipeline to conditionally use certain css
...oblem is that I want to have my site render the various CSS files conditionally. I’m using Blueprint CSS and I’m trying to have sprockets/rails render screen.css most of the time, print.css only when printing, and ie.css only when the site is accessed from Internet Explorer.
...
How do I find the next commit in git? (child/children of ref)
...
To list all the commits, starting from the current one, and then its child, and so on - basically standard git log, but going the other way in time, use something like
git log --reverse --ancestry-path 894e8b4e93d8f3^..master
wher...