大约有 48,000 项符合查询结果（耗时：0.0842秒） [XML]
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" % ...
How to get last N records with activerecord?
With :limit in query, I will get first N records. What is the easiest way to get last N records?
14 Answers
...
Why are quaternions used for rotations?
...sely defined meaning, but in some rather technical ways that go far beyond what's taught in normal intro classes, so I won't go into any detail). It turns out that quaternions don't have this nice behavior, and so they aren't useful, and vectors/matrices do, so we use them.
Well, I am a physicist,...
Can HTML checkboxes be set to readonly?
...ks, but it's kind of.. well dirty, readonly on checkboxes should simply do what intuition tells.
– levhita
Dec 16 '08 at 21:41
8
...
Add custom icons to font awesome
... my site but there are a few custom svg icons that I'd need in addition to what's offered.
8 Answers
...
How to pass variable from jade template file to a script file?
...
Thanks for accepting the answer! So, what was the actual problem with your code?
– Merc
Aug 17 '12 at 0:23
...
Unit testing private methods in C#
...inions”.
Same holds true for this discussion as well.
It all depends on what you think is a unit , if you think UNIT is a class then you will only hit the public method. If you think UNIT is lines of code hitting private methods will not make you feel guilty.
If you want to invoke private methods...
What is the Java equivalent of PHP var_dump?
... you like, or to use reflection to inspect the object (in a way similar to what debuggers do).
The advantage of using reflection is that you won't need to modify your individual objects to be "analysable", but there is added complexity and if you need nested object support you'll have to write that...
Hidden features of C
...ely(x) __builtin_expect((x),0)
see: http://kerneltrap.org/node/4705
What I like about this is that it also adds some expressiveness to some functions.
void foo(int arg)
{
if (unlikely(arg == 0)) {
do_this();
return;
}
do_that();
...
}
...
Why does NULL = NULL evaluate to false in SQL server
...ed as x = y, where x and y are unbound variables. Now if someone asks you, what is the value of x = y? The only reasonable answer is, "some z". So we have (x = y) = z - or, transcribing it back to SQL, (NULL = NULL) = NULL.
– Pavel Minaev
Dec 4 '09 at 3:48
...