大约有 7,000 项符合查询结果(耗时:0.0184秒) [XML]

https://stackoverflow.com/ques... 

How to use regex in String.contains() method in Java

... String.contains String.contains works with String, period. It doesn't work with regex. It will check whether the exact String specified appear in the current String or not. Note that String.contains does not check for word boundary; it simply checks for substring. Regex soluti...
https://stackoverflow.com/ques... 

Why is @autoreleasepool still needed with ARC?

...ool and how it introduces a scope is used by the compiler to infer information about what retains, releases & autoreleases are required. share | improve this answer | fol...
https://stackoverflow.com/ques... 

How do I get a Cron like scheduler in Python? [closed]

...oking for a library in Python which will provide at and cron like functionality. 9 Answers ...
https://stackoverflow.com/ques... 

Count(*) vs Count(1) - SQL Server

...ce. Reason: Books on-line says "COUNT ( { [ [ ALL | DISTINCT ] expression ] | * } )" "1" is a non-null expression: so it's the same as COUNT(*). The optimizer recognizes it for what it is: trivial. The same as EXISTS (SELECT * ... or EXISTS (SELECT 1 ... Example: SELECT COUNT(1) FROM dbo.t...
https://stackoverflow.com/ques... 

Configuring so that pip install can work from github

We'd like to use pip with github to install private packages to our production servers. This question concerns what needs to be in the github repo in order for the install to be successful. ...
https://stackoverflow.com/ques... 

How can I parse a YAML file from a Linux shell script?

I wish to provide a structured configuration file which is as easy as possible for a non-technical user to edit (unfortunately it has to be a file) and so I wanted to use YAML. I can't find any way of parsing this from a Unix shell script however. ...
https://stackoverflow.com/ques... 

drag drop files into standard html file input

... The following works in Chrome and FF, but i've yet to find a solution that covers IE10+ as well: // dragover and dragenter events need to have 'preventDefault' called // in order for the 'drop' event to register. // See: https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Drag_o...
https://stackoverflow.com/ques... 

Does anyone know what the new Exit icon is used for when editing storyboards using Xcode 4.5?

...ht-clicking the Exit icon yields an empty window. Can't Ctrl-drag a connection to any IB elements or corresponding source files. Docs give no love. Doesn't appear in nib files, only storyboards. My assumption is that it's a corollary to segues, but I don't see any new methods to back it up. Anyone? ...
https://stackoverflow.com/ques... 

Truncating floats in Python

... First, the function, for those who just want some copy-and-paste code: def truncate(f, n): '''Truncates/pads a float f to n decimal places without rounding''' s = '{}'.format(f) if 'e' in s or 'E' in s: return '{0:.{1}f}...
https://stackoverflow.com/ques... 

What are important languages to learn to understand different approaches and concepts? [closed]

... to make you a better programmer. What is more practical than that? Functional, Haskell - I know you said that you didn't want to, but you should really really reconsider. You've gotten some functional exposure with Clojure and even Python, but you've not experienced it to its fullest without Has...