大约有 42,000 项符合查询结果（耗时：0.0427秒） [XML]
What is the overhead of creating a new HttpClient per call in a WebAPI client?
... re-used for multiple calls. Even across multiple threads.
The HttpClientHandler has Credentials and Cookies that are intended to be re-used across calls. Having a new HttpClient instance requires re-setting up all of that stuff.
Also, the DefaultRequestHeaders property contains properties that ar...
How can I convert an RGB image into grayscale in Python?
I'm trying to use matplotlib to read in an RGB image and convert it to grayscale.
12 Answers
...
Set every cell in matrix to 0 if that row or column contains a 0
Given a NxN matrix with 0s and 1s. Set every row that contains a 0 to all 0 s and set every column that contains a 0 to all 0 s.
...
How to hide output of subprocess in Python 2.7
I'm using eSpeak on Ubuntu and have a Python 2.7 script that prints and speaks a message:
5 Answers
...
VS 2012: Scroll Solution Explorer to current file
...
Yes, you can find that under
Tools - > Options - > Projects and Solutions - > Track Active Item in Solution Explorer
It's off by default (as you've noticed), but once it's on, Solution Explorer will expand folders and highlight the current document as you switch between files.
...
How do I download a tarball from GitHub using cURL?
...ertificates problems on raw.github.com? I had problems to install homebrew and rvm on a new machine. I used to copy and paste from the homepage and was working. Now I get the certificate problem: ruby -e "$(curl -fsSL raw.github.com/mxcl/homebrew/go)" curl: (60) SSL certificate problem: unable to...
Why not use java.util.logging?
...
Disclaimer: I am the founder of log4j, SLF4J and logback projects.
There are objective reasons for preferring SLF4J. For one, SLF4J allows the end-user the liberty to choose the underlying logging framework. In addition, savvier users tend to prefer logback which offe...
List directory in Go
I've been trying to figure out how to simply list the files and folders in a single directory in Go.
5 Answers
...
How to make vi redraw screen?
...edited Feb 27 '18 at 2:06
Chris Anderson
1,4621414 silver badges2929 bronze badges
answered Jul 13 '09 at 4:46
...
Finding median of list in Python
...ow do you find the median of a list in Python? The list can be of any size and the numbers are not guaranteed to be in any particular order.
...