大约有 42,000 项符合查询结果（耗时：0.0497秒） [XML]
Casting vs using the 'as' keyword in the CLR
When programming interfaces, I've found I'm doing a lot of casting or object type conversion.
18 Answers
...
NSOperation vs Grand Central Dispatch
I'm learning about concurrent programming for iOS. So far I've read about NSOperation/NSOperationQueue and GCD . What are the reasons for using NSOperationQueue over GCD and vice versa?
...
Multiprocessing: How to use Pool.map on a function defined in a class?
...
18 Answers
18
Active
...
What is base 64 encoding used for?
I've heard people talking about "base 64 encoding" here and there. What is it used for?
18 Answers
...
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
Several times I've been criticized for having suggested the use of the following methods:
9 Answers
...
Execution of Python code with -m option or not
The python interpreter has -m module option that "Runs library module module as a script".
3 Answers
...
Sending a mail from a linux shell script
I want to send an email from a Linux Shell script. What is the standard command to do this and do I need to set up any special server names?
...
Regular Expression to match string starting with “stop”
How do I create a regular expression to match a word at the beginning of a string. We are looking to match stop at the beginning of a string and anything can follow it.
...
iPhone App Icons - Exact Radius?
I'm trying to create the icon for my iPhone app, but don't know how to get the exact radius that the iPhone's icons use. I've searched and searched for a tutorial or a template but can't find one.
...
How to add a right button to a UINavigationController?
I am trying to add a refresh button to the top bar of a navigation controller with no success.
21 Answers
...