大约有 40,000 项符合查询结果(耗时:0.0499秒) [XML]

https://stackoverflow.com/ques... 

$.focus() not working

... Actually the example you gave for focusing on this site works just fine, as long as you're not focused in the console. The reason that's not working is simply because it's not stealing focus from the dev console. If you run the f...
https://stackoverflow.com/ques... 

trying to animate a constraint in swift

... The animation API you mention is used to animate the properties of views and layers. Here we need to animate the change in layout. That's what changing the constant of a layout constraint calls for - changing the constant alone does nothi...
https://stackoverflow.com/ques... 

cleanest way to skip a foreach if array is empty [duplicate]

...t need: foreach ((array) $items as $item) { print $item; } Note: to all the people complaining about typecast, please note that the OP asked cleanest way to skip a foreach if array is empty (emphasis is mine). A value of true, false, numbers or strings is not considered empty. In addition, th...
https://stackoverflow.com/ques... 

How to force GitHub Pages build?

... From GitHub support, 2014-06-07: It's not currently possible to manually trigger a rebuild, without pushing a commit to the appropriate branch. Edit: As Andy pointed out in the comments, you can push an empty commit with the command: git commit -m 'rebuild pages' --allow-empty git push ...
https://stackoverflow.com/ques... 

Are there any disadvantages to always using nvarchar(MAX)?

In SQL Server 2005, are there any disadvantages to making all character fields nvarchar(MAX) rather than specifying a length explicitly, e.g. nvarchar(255)? (Apart from the obvious one that you aren't able to limit the field length at the database level) ...
https://stackoverflow.com/ques... 

Use of 'const' for function parameters

... The reason is that const for the parameter only applies locally within the function, since it is working on a copy of the data. This means the function signature is really the same anyways. It's probably bad style to do this a lot though. I personally tend to not use const except fo...
https://stackoverflow.com/ques... 

REST API Best practices: args in query string vs in request body

...est practices and considerations of choosing between 1 and 2 above? Usually the content body is used for the data that is to be uploaded/downloaded to/from the server and the query parameters are used to specify the exact data requested. For example when you upload a file you specify the name, m...
https://stackoverflow.com/ques... 

Get the IP address of the remote host

... This solution also covers Web API self-hosted using Owin. Partially from here. You can create a private method in you ApiController that will return remote IP address no matter how you host your Web API: private const string HttpContext = "MS_HttpContext"; private const string Remote...
https://stackoverflow.com/ques... 

How to sum array of numbers in Ruby?

... using array.map(...).inject(...) is inefficient, you will iterate through all data twice. Try array.inject(0) { |sum, product| sum += product.price } – everett1992 Apr 4 '13 at 6:11 ...
https://stackoverflow.com/ques... 

Accessing MP3 metadata with Python [closed]

... ID3 tag which the other modules I looked at couldn't. You'll have to install using pip or download the tar and execute python setup.py install from the source folder. Relevant examples from the website are below. Reading the contents of an mp3 file containing either v1 or v2 tag info: import...