大约有 32,293 项符合查询结果（耗时：0.0386秒） [XML]
What's the best way to share data between activities?
...
What you can use:
passing data between activities (like Cristian said)
using a class with a lot of static variables (so you can call them without an instance of the class and without using getter/setter)
Using a database
Sh...
What does the “===” operator do in Ruby? [duplicate]
I've seen it used a few times lately but can't figure out what it does. Can anyone illustrate how it works?
3 Answers
...
Why is f(i = -1, i = -1) undefined behavior?
... +1e+6 (ok, +1) for the point that compiled code isn't always what you would expect. Optimizers are really good at throwing these sorts of curves at you when you don't follow the rules :P
– Corey
Feb 11 '14 at 6:34
...
JPA and Hibernate - Criteria vs. JPQL or HQL
What are the pros and cons of using Criteria or HQL ? The Criteria API is a nice object-oriented way to express queries in Hibernate, but sometimes Criteria Queries are more difficult to understand/build than HQL.
...
What are the implications of using “!important” in CSS? [duplicate]
...ts further down the line. That doesn't mean it's never okay to use though.
What's wrong with !important:
Specificity is one of the main forces at work when the browser decides how CSS affects the page. The more specific a selector is, the more importance is added to it. This usually coincides with h...
What does asterisk * mean in Python? [duplicate]
...w
empty dictionary.
Also, see Function Calls.
Assuming that one knows what positional and keyword arguments are, here are some examples:
Example 1:
# Excess keyword argument (python 2) example:
def foo(a, b, c, **args):
print "a = %s" % (a,)
print "b = %s" % (b,)
print "c = %s" % ...
What is “android:allowBackup”?
... other lint warnings, note that you can get a fuller explanation than just what is in the one line error message; you don't have to search the web for more info.
If you are using lint via Eclipse, either open the lint warnings view, where you can select the lint error and see a longer explanation, ...
What is DOCTYPE?
Lastly, what is the proper DOCTYPE that I should be using?
8 Answers
8
...
What is the best practice for dealing with passwords in git repositories?
...e to access twitter and pop up a Growl notification in certain situations. What's the best way to handle storing my password with the script?
...
What's the difference between isset() and array_key_exists()? [duplicate]
...etting a warning, without missing the existing key when its value is null (what were the PHP devs thinking would also be an interesting question, but certainly not relevant on SO). And of course we don't want to use @
isset($var[$key]); // silent but misses null values
array_key_exists($...