大约有 48,000 项符合查询结果(耗时:0.0661秒) [XML]

https://stackoverflow.com/ques... 

Equation for testing if a point is inside a circle

... if dx>R then return false. if dy>R then return false. Now imagine a square diamond drawn inside this circle such that it's vertices touch this circle: if dx + dy <= R then return true. Now we have covered most of our space and only a small area of this circle remains ...
https://stackoverflow.com/ques... 

Search text in fields in every table of a MySQL database

...ill not work if the db dump file is really big (situation that I am having now :) ) – Boban May 31 '17 at 12:32  |  show 5 more comments ...
https://stackoverflow.com/ques... 

Python Git Module experiences? [closed]

What are people's experiences with any of the Git modules for Python? (I know of GitPython, PyGit, and Dulwich - feel free to mention others if you know of them.) ...
https://stackoverflow.com/ques... 

JavaScript blob filename without link

...actually mount the a tag to the body in order for this to work (tried just now in Chrome) – beyond-code Aug 12 '19 at 10:37  |  show 13 more c...
https://stackoverflow.com/ques... 

Installing Bootstrap 3 on Rails App

...p 3.0 on my Rails app. I recently finished Michael Hartl's tutorial and am now trying to build my own system using this new version of Bootstrap, but I have a few questions that I'm not sure about. ...
https://stackoverflow.com/ques... 

Selecting pandas column by location

...: The original answer suggested the use of df.ix[:,2] but this function is now deprecated. Users should switch to df.iloc[:,2]. share | improve this answer | follow ...
https://stackoverflow.com/ques... 

How to compare files from two different branches?

... @Jefromi, this may have changed in a more recent version, but at least now you can use relative paths (e.g. branch1:./file). This is also useful if the file is in a separate location between branches (e.g. git diff branch1:old/path/to/file branch2:new/path/to/file). – redbm...
https://stackoverflow.com/ques... 

Android Quick Actions UI Pattern

... (the official Twitter app is now maintained by Twitter itself...won't be open sourced contrary to what they announced initially) – Juri Feb 28 '11 at 6:38 ...
https://stackoverflow.com/ques... 

Google Maps API v3: How to remove all markers?

...ry? I realize JavaScript has automatic garbage collection, but how do we know Google's API does not hold a reference to the marker when setMap(null) is called? In my application, I add and "delete" a ton of markers, and I would hate for all those "deleted" markers to be sucking up memory. ...
https://stackoverflow.com/ques... 

Copy / Put text on the clipboard with FireFox, Safari and Chrome

... There is now a way to easily do this in most modern browsers using document.execCommand('copy'); This will copy currently selected text. You can select a textArea or input field using document.getElementById('myText').select(); ...