大约有 31,840 项符合查询结果（耗时：0.0372秒） [XML]
What is the difference between Swing and AWT?
Can someone please explain me what's the difference between Swing and AWT?
8 Answers
8...
In C#, what is the difference between public, private, protected, and having no access modifier?
... instantiated, and that all of its members are static. A static member has one version regardless of how many instances of its enclosing type are created.
A static class is basically the same as a non-static class, but there is one difference: a static class cannot be externally instantiated. In oth...
Any reason why scala does not explicitly support dependent types?
... Miles, thanks for this very detailed answer. I'm a bit curious about one thing, though. None of your examples seem at first glance particularly impossible to express in Haskell; are you then claiming that Haskell is also a dependently-typed language?
– Jonathan Sterling
...
How can I get a list of locally installed Python modules?
...i in installed_packages])
print(installed_packages_list)
As a (too long) one liner:
sorted(["%s==%s" % (i.key, i.version) for i in pip.get_installed_distributions()])
Giving:
['behave==1.2.4', 'enum34==1.0', 'flask==0.10.1', 'itsdangerous==0.24',
'jinja2==2.7.2', 'jsonschema==2.3.0', 'markup...
Is REST DELETE really idempotent?
...the effect is that account 123 is now deleted from the server. That is the one and only effect, the one and only change to the state of the server. Now lets say you do the same DELETE http://example.com/account/123 request again, the server will respond differently, but its state is the same.
Its...
How do I sort a list by different parameters at different timed
... Since no answer stood out as the clear alternative, I'm gonna accept this one because I like the elegance, but I urge anyone viewing this answer to check the other approaches as well.
– runaros
Sep 15 '09 at 21:31
...
getApplication() vs. getApplicationContext()
...pplicationContext() is declared in the Context class.
That actually means one thing : when writing code in a broadcast receiver, which is not a context but is given a context in its onReceive method, you can only call getApplicationContext(). Which also means that you are not guaranteed to have acc...
When should I use cross apply over inner join?
...
Can anyone give me a good example of when CROSS APPLY makes a difference in those cases where INNER JOIN will work as well?
See the article in my blog for detailed performance comparison:
INNER JOIN vs. CROSS APPLY
CROSS APPLY...
Find out which remote branch a local branch is tracking
...ee as it being the correct answer. It's an answer the same way giving someone a dictionary answers "how do you spell XYZ". case in point, you want to USE the resulting answer (the branch name) for some operation.. This answer only helps me visually see it... doesn't give you something usable in a ...
Creating a comma separated list from IList or IEnumerable
... exactly what the performance is like, including (but not limited to) this one.
As of .NET 4.0, there are more overloads available in string.Join, so you can actually just write:
string joined = string.Join(",", strings);
Much simpler :)
...