大约有 31,500 项符合查询结果(耗时:0.0543秒) [XML]

https://stackoverflow.com/ques... 

How to make an element width: 100% minus padding?

... box-sizing: border-box is a quick, easy way to fix it: This will work in all modern browsers, and IE8+. Here's a demo: http://jsfiddle.net/thirtydot/QkmSk/301/ .content { width: 100%; box-sizing: border-box; } The browser prefixed versions (-webkit-box-sizing, etc.) are not needed in m...
https://stackoverflow.com/ques... 

Check if Internet Connection Exists with Javascript? [duplicate]

...browsers, doing so with older web browsers may not work as expected, or at all. Alternatively, an XHR request to your own server isn't that bad of a method for testing your connectivity. Considering one of the other answers state that there are too many points of failure for an XHR, if your XHR is ...
https://stackoverflow.com/ques... 

config.assets.compile=true in Rails production, why not?

The default Rails app installed by rails new has config.assets.compile = false in production. 7 Answers ...
https://stackoverflow.com/ques... 

apc vs eaccelerator vs xcache

Im doing research on which one of these to use and I can't really find one that stands out. Eaccelerator is faster than APC , but APC is better maintained. Xcache is faster but the others have easier syntax. ...
https://stackoverflow.com/ques... 

brew install mysql on macOS

I'm trying to setup up MySQL on mac os 10.6 using Homebrew by brew install mysql 5.1.52 . 16 Answers ...
https://stackoverflow.com/ques... 

ANTLR: Is there a simple example?

...r, and evaluator using ANTLR4. You first create a grammar. Below is a small grammar that you can use to evaluate expressions that are built using the 4 basic math operators: +, -, * and /. You can also group expressions using parenthesis. Note that this grammar is just a very basic one: it does ...
https://stackoverflow.com/ques... 

How to get the entire document HTML as a string?

...ion. See quirksmode for browser compatibility for what will work for you. All support innerHTML. var markup = document.documentElement.innerHTML; alert(markup); share | improve this answer ...
https://stackoverflow.com/ques... 

JavaScript checking for null vs. undefined and difference between == and ===

...is the difference between the null and undefined? They're both values usually used to indicate the absence of something. undefined is the more generic one, used as the default value of variables until they're assigned some other value, as the value of function arguments that weren't provided when ...
https://stackoverflow.com/ques... 

Linear Regression and group by in R

... fits <- lmList(response ~ year | state, data=d) fits #------------ Call: lmList(formula = response ~ year | state, data = d) Coefficients: (Intercept) year CA -1.34420990 0.17139963 NY 0.00196176 -0.01852429 Degrees of freedom: 20 total; 16 residual Residual standard error: 0.820...
https://stackoverflow.com/ques... 

Remove Elements from a HashSet while Iterating [duplicate]

... You can manually iterate over the elements of the set: Iterator<Integer> iterator = set.iterator(); while (iterator.hasNext()) { Integer element = iterator.next(); if (element % 2 == 0) { iterator.remove(); } }...