大约有 44,000 项符合查询结果（耗时：0.0667秒） [XML]
Getting file names without extensions
...
@Juzzz That's handy if you're working with a bare string, but if you already have a FileInfo object, there's no need to bother with Path. FileInfo already provides the "Extension" property for the purpose.
– jmbpiano
...
How does Angular $q.when work?
...
Calling $q.when takes a promise or any other type, if it is not a promise then it will wrap it in a promise and call resolve. If you pass a value to it then it is never going to be rejected.
From the docs:
Wraps an object that might be a value or a (3rd party) then-able ...
Java int to String - Integer.toString(i) vs new Integer(i).toString()
...tic method in the class Integer. It does not need an instance of Integer.
If you call new Integer(i) you create an instance of type Integer, which is a full Java object encapsulating the value of your int. Then you call the toString method on it to ask it to return a string representation of itself...
What is the best way to deal with the NSDateFormatter locale “feechur”?
...seems that NSDateFormatter has a "feature" that bites you unexpectedly: If you do a simple "fixed" format operation such as:
...
What to do with “Unexpected indent” in python?
How do I rectify the error "unexpected indent" in python?
16 Answers
16
...
Graphical DIFF programs for linux [closed]
I really like Araxis Merge for a graphical DIFF program for the PC. I have no idea what's available for linux , though. We're running SUSE linux on our z800 mainframe.
I'd be most grateful if I could get a few pointers to what programs everyone else likes.
...
How to create dictionary and add key–value pairs dynamically?
...at structure was required, but it's the one that was asked for.
But, but, if what you want in a plain JS object - and not the structure OP asked for - see tcll's answer, though the bracket notation is a bit cumbersome if you just have simple keys that are valid JS names. You can just do this:
// o...
Why doesn't “System.out.println” work in Android?
...played.
The first Entry to every logging call is the log tag which identifies the source of the log message. This is helpful as you can filter the output of the log to show just your messages. To make sure that you're consistent with your log tag it's probably best to define it once as a static...
What is the difference between ? and Object in Java generics?
...Say you want to write a method that accepts maps from Strings to anything: If you would write
public void foobar(Map<String, Object> ms) {
...
}
you can't supply a HashMap<String, String>. If you write
public void foobar(Map<String, ?> ms) {
...
}
it works!
A thing s...
Why isn't Python very good for functional programming? [closed]
...not to say that it's bad, just that you have to work harder than you would if you switched to a language that promotes functional programming or switched to writing OO Python.
Here are the functional things I miss in Python:
Pattern matching
Tail recursion
Large library of list functions
Function...