大约有 16,380 项符合查询结果（耗时：0.0385秒） [XML]
Is it possible to assign numeric value to an enum in Java?
Is anything like this possible in Java? Can one assign custom numeric values to enum elements in Java?
5 Answers
...
Adding code to a javascript function programmatically
I'm attempting to customize an existing JS library without modifying the original JS code. This code loads in a few external JS files which I do have access to, and what I'd like to do is change one of the functions contained in the original file without copying and pasting the whole thing into the...
Twitter Bootstrap: div in container with 100% height
Using twitter bootstrap (2), I have a simple page with a nav bar, and inside the container I want to add a div with 100% height (to the bottom of the screen). My css-fu is rusty, and I can't work this out.
...
How to move a git repository into another directory and make that directory a git repository?
...
It's very simple. Git doesn't care about what's the name of its directory. It only cares what's inside. So you can simply do:
# copy the directory into newrepo dir that exists already (else create it)
$ cp -r gitrepo1 newrepo
# remove ...
Difference between Select and ConvertAll in C#
I have some List:
4 Answers
4
...
How to check if std::map contains a key without doing insert?
...y inserting and checking the std::pair.second for false , but the problem is that this still inserts something if the key is unused, whereas what I want is a map.contains(key); function.
...
Remove non-numeric characters (except periods and commas) from a string
...
You could use preg_replace to swap out all non-numeric characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
...
How to write asynchronous functions for Node.js
...s functions should be written. After a lot of plowing through a lot of documentation, it's still unclear to me.
6 Answers
...
Why doesn't Haskell's Prelude.read return a Maybe?
...
Edit: As 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...
Naming convention for Scala constants?
What is the naming convention for Scala constants? A brief search on StackOverflow suggestions uppercase CamelCase (the first line below), but I wanted to double-check.
...