大约有 40,700 项符合查询结果（耗时：0.0288秒） [XML]
What values should I use for CFBundleVersion and CFBundleShortVersionString?
This is my first iOS app submission and I don't want my app rejected.
7 Answers
7
...
How does the Java 'for each' loop work?
...in some way, you cannot use the for ( : ) idiom, since the actual iterator is merely inferred.
As was noted by Denis Bueno, this code works for any object that implements the Iterable interface.
Also, if the right-hand side of the for (:) idiom is an array rather than an Iterable object, the inter...
Checking if an object is null in C#
I would like to prevent further processing on an object if it is null.
17 Answers
17
...
Is it possible to make anonymous inner classes in Java static?
...
No, you can't, and no, the compiler can't figure it out. This is why FindBugs always suggests changing anonymous inner classes to named static nested classes if they don't use their implicit this reference.
Edit: Tom Hawtin - tackline says that if the anonymous class is created in a...
Simpler way to create dictionary of separate variables?
...
Are you trying to do this?
dict( (name,eval(name)) for name in ['some','list','of','vars'] )
Example
>>> some= 1
>>> list= 2
>>> of= 3
>>> vars= 4
>>> dict( (name,eval(name)) for name in ['some','li...
Python: changing value in a tuple
I'm new to python so this question might be a little basic. I have a tuple called values which contains the following:
17...
Break promise chain and call a function based on the step in the chain where it is broken (rejected)
To help future viewers of this post, I created this demo of pluma's answer.
13 Answers
...
Why is it a bad practice to return generated HTML instead of JSON? Or is it?
It is quite easy to load HTML content from your custom URLs/Web services using JQuery or any other similar framework. I've used this approach many times and till now and found the performance satisfactory.
...
In C#, what is the difference between public, private, protected, and having no access modifier?
...bly, or by any derived class in another assembly.
When no access modifier is set, a default access modifier is used. So there is always some form of access modifier even if it's not set.
static modifier
The static modifier on a class means that the class cannot be instantiated, and that all of its ...
What is the pythonic way to detect the last element in a 'for' loop?
..." way) to do a special treatment for the last element in a for loop. There is a piece of code that should be called only between elements, being suppressed in the last one.
...