大约有 44,800 项符合查询结果(耗时:0.0727秒) [XML]
How to reference style attributes from a drawable?
I want to have 2 selectable themes for my application. In order to do that, I defined some attributes, like this:
5 Answers...
How do I create a directory from within Emacs?
...ET dir/to/create RET
to create directories dir/parent1/node and dir/parent2/node, type:
M-! mkdir -p dir/parent{1,2}/node RET
It assumes that Emacs's inferior shell is bash/zsh or other compatible shell.
or in a Dired mode
+
It doesn't create nonexistent parent directories.
Example:
C-x d ...
Why is Double.MIN_VALUE in not negative
...
182
The IEEE 754 format has one bit reserved for the sign and the remaining bits representing the ma...
How to convert ActiveRecord results into an array of hashes
...
212
as_json
You should use as_json method which converts ActiveRecord objects to Ruby Hashes desp...
Should I implement __ne__ in terms of __eq__ in Python?
...
answered Dec 4 '10 at 6:26
Daniel DiPaoloDaniel DiPaolo
49.3k1313 gold badges110110 silver badges110110 bronze badges
...
How do I get the first element from an IEnumerable in .net?
...
247
If you can use LINQ you can use:
var e = enumerable.First();
This will throw an exception t...
How can I compare two lists in python and return matches
...nt one, but by far the most obvious way to do it is:
>>> a = [1, 2, 3, 4, 5]
>>> b = [9, 8, 7, 6, 5]
>>> set(a) & set(b)
{5}
if order is significant you can do it with list comprehensions like this:
>>> [i for i, j in zip(a, b) if i == j]
[5]
(only works...
What is the difference between currying and partial application?
...
260
Currying is converting a single function of n arguments into n functions with a single argumen...
Javascript objects: get parent [duplicate]
...
12 Answers
12
Active
...
How to make --no-ri --no-rdoc the default for gem install?
...
12 Answers
12
Active
...
