大约有 48,000 项符合查询结果(耗时:0.0637秒) [XML]

https://stackoverflow.com/ques... 

Ternary operator in AngularJS templates

...select either the property with name true or the property with name false, and return the associated value. E.g., <li class="{{{true: 'myClass1 myClass2', false: ''}[$first]}}">...</li> or <li ng-class="{true: 'myClass1 myClass2', false: ''}[$first]">...</li> $first is s...
https://stackoverflow.com/ques... 

Image comparison - fast algorithm

I'm looking to create a base table of images and then compare any new images against that to determine if the new image is an exact (or close) duplicate of the base. ...
https://stackoverflow.com/ques... 

Set padding for UITextField with UITextBorderStyleNone

... Using ARC, why does my app hang and use a lot of CPU if I reuse *paddingView with multiple text fields? – The Muffin Man Nov 27 '13 at 17:03 ...
https://stackoverflow.com/ques... 

What's the difference between a POST and a PUT HTTP REQUEST?

... HTTP PUT: PUT puts a file or resource at a specific URI, and exactly at that URI. If there's already a file or resource at that URI, PUT replaces that file or resource. If there is no file or resource there, PUT creates one. PUT is idempotent, but paradoxically PUT responses are n...
https://stackoverflow.com/ques... 

jQuery event to trigger action when a div is made visible

I'm using jQuery in my site and I would like to trigger certain actions when a certain div is made visible. 22 Answers ...
https://stackoverflow.com/ques... 

What is the $? (dollar question mark) variable in shell scripting? [duplicate]

I'm trying to learn shell scripting, and I need to understand someone else's code. What is the $? variable hold? I can't Google search the answer because they block punctuation characters. ...
https://stackoverflow.com/ques... 

PostgreSQL delete with inner join

...uctprice B USING m_product C WHERE B.m_product_id = C.m_product_id AND C.upc = '7094' AND B.m_pricelist_version_id='1000020'; or DELETE FROM m_productprice WHERE m_pricelist_version_id='1000020' AND m_product_id IN (SELECT m_product_id ...
https://stackoverflow.com/ques... 

What are some methods to debug Javascript inside of a UIWebView?

...oint inside of XCode for a js file. No problemo, I'll just go back to 2004 and use alert statemen-- oh wait they don't seem to work inside of a UIWebView either! ...
https://stackoverflow.com/ques... 

How can I sort a dictionary by key?

... Standard Python dictionaries are unordered. Even if you sorted the (key,value) pairs, you wouldn't be able to store them in a dict in a way that would preserve the ordering. The easiest way is to use OrderedDict, which remembe...
https://stackoverflow.com/ques... 

How do I interactively unstage a particular hunk in git?

... according to the documentation. The short form -p also works for both commands. share | improve this answer | follow | ...