大约有 44,000 项符合查询结果(耗时:0.0671秒) [XML]
Hidden features of Windows batch files
What are some of the lesser know, but important and useful features of Windows batch files?
91 Answers
...
Why there is no ConcurrentHashSet against ConcurrentHashMap
...
@Andrew, I think the motivation behind using a "ConcurrentSet" stems from not the API but rather the implementation - thread safety but without a universal lock - multiple concurrent reads for instance.
–...
How to run multiple shells on Emacs
...
C-u runs the command universal-argument. It's a way of injecting an argument into the next command. You can read more about it with C-h k C-u (C-h k runs describe-key, very handy!)
– Matt Curtis
Sep 28 '...
Error pushing to GitHub - insufficient permission for adding an object to repository database
...ry. Otherwise, you'll have errors pushing up to the repository. See setuid and setgid
– syvex
Jul 7 '11 at 17:05
...
How do I replace NA values with zeros in an R dataframe?
I have a data frame and some columns have NA values.
21 Answers
21
...
git: 'credential-cache' is not a git command
... Here is a screenshot:
Still using msysgit? For msysgit versions 1.8.1 and above
The wincred helper was added in msysgit 1.8.1. Use it as follows:
git config --global credential.helper wincred
For msysgit versions older than 1.8.1
First, download git-credential-winstore and install it in yo...
Google Chrome form autofill and its yellow background
I have design problem with Google Chrome and its form autofill function.
If Chrome remembers some login/password it changes a background color to a yellow one.
...
How do I fit an image (img) inside a div and keep the aspect ratio?
I have a 48x48 div and inside it there is an img element, I want to fit it into the div without losing any part, in the mean time the ratio is kept, is it achievable using html and css?
...
What is ECMAScript?
...ey all use the same engine... each of their exteriors is different though, and there have been several modifications done to each to make it unique.
The history is, Brendan Eich created Mocha which became LiveScript, and later JavaScript. Netscape presented JavaScript to Ecma International, which d...
What is an Endpoint?
I have been reading about OAuth and it keeps talking about endpoints. What is exactly an endpoint?
11 Answers
...