大约有 9,000 项符合查询结果(耗时:0.0246秒) [XML]
How to format a number as percentage in R?
One of the things that used to perplex me as a newby to R was how to format a number as a percentage for printing.
10 Answe...
Count the number of commits on a Git branch
I found this answer already: Number of commits on branch in git
but that assumes that the branch was created from master.
...
Can iterators be reset in Python?
...n I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file.
...
From inside of a Docker container, how do I connect to the localhost of the machine?
So I have a Nginx running inside a docker container, I have a mysql running on localhost, I want to connect to the MySql from within my Nginx. The MySql is running on localhost and not exposing a port to the outside world, so its bound on localhost, not bound on the ip address of the machine.
...
Git Tag list, display commit sha1 hashes
so the git tag command lists the current git tags
8 Answers
8
...
Inputting a default image in case the src attribute of an html is not valid?
Is there any way to render a default image in an HTML <img> tag, in case the src attribute is invalid (using only HTML)? If not, what would be your lightweight way to work around it?
...
How dangerous is it to compare floating point values?
I know UIKit uses CGFloat because of the resolution independent coordinate system.
11 Answers
...
Why doesn't std::queue::pop return value.?
I went through this page but I am not able to get the reason for the same . There it is mentioned that
7 Answers
...
Rails mapping array of hashes onto single hash
I have an array of hashes like so:
4 Answers
4
...
Hidden features of C
I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
...
