大约有 34,900 项符合查询结果（耗时：0.0400秒） [XML]
Declaring variables inside a switch statement [duplicate]
...an enclose the contents of a case in { } braces to introduce a scoping block, or you can move the variable declaration outside the switch. Which you choose is a matter of personal preference. Just be aware that a variable declared in { } braces is only valid within that scope, so any other code that...
How to get the selected index of a RadioGroup in Android
...et the selected index of a RadioGroup in Android or do I have to use OnCheckedChangeListener to listen for changes and have something that holds the last index selected?
...
Asynchronous shell commands
...shes. I want the process to start and run, but I want to be able to get back to my shell immediately...
5 Answers
...
Retrieving parameters from a URL
Given a URL like the following, how can I parse the value of the query parameters? For example, in this case I want the value of def .
...
Do git tags get pushed as well?
... May 16 '12 at 11:12
Matt Fenwick
42.9k1818 gold badges113113 silver badges182182 bronze badges
answered Jun 7 '10 at 8:48
...
When is JavaScript's eval() not evil?
...ng some JavaScript code to parse user-entered functions (for spreadsheet-like functionality). Having parsed the formula I could convert it into JavaScript and run eval() on it to yield the result.
...
Why doesn't Haskell's Prelude.read return a Maybe?
... of GHC 7.6, readMaybe is available in the Text.Read module in the base package, along with readEither: http://hackage.haskell.org/packages/archive/base/latest/doc/html/Text-Read.html#v:readMaybe
Great question! The type of read itself isn't changing anytime soon because that would break lots of ...
Java ArrayList - how can I tell if two lists are equal, order not mattering?
... and then use the equals method. A slighly better solution is to first check if they are the same length before ordering, if they are not, then they are not equal, then sort, then use equals. For example if you had two lists of Strings it would be something like:
public boolean equalLists(List<...
How can you check for a #hash in a URL using JavaScript?
...vaScript code that I want to run only when there is a hash ( # ) anchor link in a URL. How can you check for this character using JavaScript? I need a simple catch-all test that would detect URLs like these:
...
Android screen size HDPI, LDPI, MDPI [duplicate]
I have a background that I need fit in all screen sizes. I have three folders, hdpi , ldpi and mdpi for drawables, but in the emulator there isn't any referense to what resolution hdpi is and what mdpi and ldpi are.
...