大约有 11,600 项符合查询结果（耗时：0.0181秒） [XML]
Difference between binary semaphore and mutex
Is there any difference between a binary semaphore and mutex or are they essentially the same?
34 Answers
...
Delete all local git branches
I follow a development process where I create a new local branch for every new feature or story card. When finished I merge the branch into master and then push.
...
Opposite of %in%: exclude rows with values specified in a vector
A categorical variable V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in%
...
Sequence-zip function for c++11?
With the new range-based for loop we can write code like
13 Answers
13
...
Order data frame rows according to vector with specific order
...cording to a "target" vector as the one I implemented in the short example below?
5 Answers
...
How to remove the first Item from a list?
...st [0, 1, 2, 3, 4] I'd like to make it into [1, 2, 3, 4] . How do I go about this?
10 Answers
...
How to add a progress bar to a shell script?
When scripting in bash or any other shell in *NIX, while running a command that will take more than a few seconds, a progress bar is needed.
...
How to toggle a boolean?
Is there a really easy way to toggle a boolean value in javascript ?
6 Answers
6
...
Converting string into datetime
... datetimes. It can handle all sorts of formats, with the format determined by a format string you give it:
from datetime import datetime
datetime_object = datetime.strptime('Jun 1 2005 1:33PM', '%b %d %Y %I:%M%p')
The resulting datetime object is timezone-naive.
Links:
Python documentation f...
Easier way to create circle div than using an image?
...
Here's a demo: http://jsfiddle.net/thirtydot/JJytE/1170/
CSS:
.circleBase {
border-radius: 50%;
behavior: url(PIE.htc); /* remove if you don't care about IE8 */
}
.type1 {
width: 100px;
height: 100px;
background: yellow;
border: 3px solid red;
}
.type2 {
width: 50p...