大约有 49,000 项符合查询结果(耗时:0.0715秒) [XML]
Enum type constraints in C# [duplicate]
... 's? I'm sure there is a method behind the madness, but I'd like to understand why it's not possible.
6 Answers
...
How do I put a bunch of uncommitted changes aside while working on something else
If I have a bunch of uncommitted changes and want to set it aside while working on something else instead, and then later (f.i. after several days) come back to it and proceed working. What would be the easiest workflow to accomplish this? (So far I have only experience with Mercurial's basic functi...
Regular expression to extract text between square brackets
...ollowing regex globally:
\[(.*?)\]
Explanation:
\[ : [ is a meta char and needs to be escaped if you want to match it literally.
(.*?) : match everything in a non-greedy way and capture it.
\] : ] is a meta char and needs to be escaped if you want to match it literally.
...
How can I run MongoDB as a Windows service?
...
I think if you run it with the --install command line switch, it installs it as a Windows Service.
mongod --install
It might be worth reading this thread first though. There seems to be some problems with relative/absolute paths when the relevant registry key gets wr...
How do I seed a random class to avoid getting duplicate random values [duplicate]
...
You should not create a new Random instance in a loop. Try something like:
var rnd = new Random();
for(int i = 0; i < 100; ++i)
Console.WriteLine(rnd.Next(1, 100));
The sequence of random numbers generated by a single Random instance is suppose...
Trying to mock datetime.date.today(), but not working
...wer for more details.
In this case, I would subclass datetime.date myself and create the right function:
import datetime
class NewDate(datetime.date):
@classmethod
def today(cls):
return cls(2010, 1, 1)
datetime.date = NewDate
And now you could do:
>>> datetime.date.tod...
How to use WeakReference in Java and Android development?
...
Using a WeakReference in Android isn't any different than using one in plain old Java. Here is a great guide which gives a detailed explanation: Understanding Weak References.
You should think about using one whenever you need a reference to an obj...
JavaScript string newline character?
...);
<textarea id="test" name="test">
</textarea>
IE8 and Opera 9 on Windows use \r\n. All the other browsers I tested (Safari 4 and Firefox 3.5 on Windows, and Firefox 3.0 on Linux) use \n. They can all handle \n just fine when setting the value, though IE and Opera will conver...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
...ell....Java is actually more portable. Mono isn't implemented everywhere, and it lags behind the Microsoft implementation significantly. The Java SDK seems to stay in better sync across platforms (and it works on more platforms).
I'd also say Java has more tool availability across all those pla...
How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?
...w works for Ruby on Rails 3.2 too (previous attempt fixes before_dispatch, and now we're going for the root rack call instead)
Update: A proper Rack middleware solution (instead of fragile alias_method_chain) from @macournoyer https://github.com/rails/rails/issues/2639#issuecomment-6591735
...
