大约有 48,000 项符合查询结果(耗时:0.1200秒) [XML]

https://stackoverflow.com/ques... 

CSS does the width include the padding?

... IE used to use the more-convenient-but-non-standard "border-box" box model. In this model, the width of an element includes the padding and borders. For example: #foo { width: 10em; padding: 2em; border: 1em; } would be 10em wide. In contrast, all standards-fearing brow...
https://stackoverflow.com/ques... 

How to build Qt for Visual Studio 2010

...t with Visual Studio 2010, so after collecting all the bits of information and some trial and error, I would like to write my solution into a guide. ...
https://stackoverflow.com/ques... 

Maven parent pom vs modules pom

...e seem to be several ways to structure parent poms in a multiproject build and I wondering if anyone had any thoughts on what the advantages / drawbacks are in each way. ...
https://stackoverflow.com/ques... 

How do you normalize a file path in Bash?

... if you're wanting to chomp part of a filename from the path, "dirname" and "basename" are your friends, and "realpath" is handy too. dirname /foo/bar/baz # /foo/bar basename /foo/bar/baz # baz dirname $( dirname /foo/bar/baz ) # /foo realpath ../foo # ../foo: No such file or directory re...
https://stackoverflow.com/ques... 

How to import multiple .csv files at once?

...you have those CSVs in a single directory--your current working directory--and that all of them have the lower-case extension .csv. If you then want to combine those data frames into a single data frame, see the solutions in other answers using things like do.call(rbind,...), dplyr::bind_rows() or ...
https://stackoverflow.com/ques... 

Swapping column values in MySQL

I have a MySQL table with coordinates, the column names are X and Y. Now I want to swap the column values in this table, so that X becomes Y and Y becomes X. The most apparent solution would be renaming the columns, but I don't want to make structure changes since I don't necessarily have permission...
https://stackoverflow.com/ques... 

PHP: How to send HTTP response code?

... I just found this question and thought it needs a more comprehensive answer: As of PHP 5.4 there are three methods to accomplish this: Assembling the response code on your own (PHP >= 4.0) The header() function has a special use-case that detects...
https://stackoverflow.com/ques... 

Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?

Simple question really; is there a difference between these values (and is there a difference between BOOL and bool)? A co-worker mentioned that they evaluate to different things in Objective-C, but when I looked at the typedefs in their respective .h files, YES/TRUE/true were all defined as 1 an...
https://stackoverflow.com/ques... 

Auto-loading lib files in Rails 4

...g/application.rb: config.autoload_paths << Rails.root.join('lib') and keep the right naming convention in lib. in lib/foo.rb: class Foo end in lib/foo/bar.rb: class Foo::Bar end if you really wanna do some monkey patches in file like lib/extensions.rb, you may manually require it: in...
https://stackoverflow.com/ques... 

How do I vertically align text in a div?

...the most effective way to align text with a div. I have tried a few things and none seem to work. 30 Answers ...