大约有 41,000 项符合查询结果（耗时：0.0688秒） [XML]
How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?
Have you ever taken a look under the hood at the jQuery 1.4 source code and noticed how it's encapsulated in the following way:
...
What would cause an algorithm to have O(log n) complexity?
...mber less than or equal to one? For 16, we have that
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
Notice that this ends up taking four steps to complete. Interestingly, we also have that log2 16 = 4. Hmmm... what about 128?
128 / 2 = 64
64 / 2 = 32
32 / 2 = 16
16 / 2 = 8
8 / 2 = 4
4 / ...
What is the difference between ? and Object in Java generics?
...
answered Mar 24 '09 at 19:19
Johannes WeissJohannes Weiss
45.8k1515 gold badges9292 silver badges126126 bronze badges
...
How to store decimal values in SQL Server?
...umn in the SQL Server. I need to be able to store values like 15.5, 26.9, 24.7, 9.8, etc
8 Answers
...
How to join two sets in one line without using “|”
...
ovrwngtvityovrwngtvity
3,64522 gold badges1111 silver badges1919 bronze badges
...
How to sort a list of lists by a specific index of the inner list?
...>>> from operator import itemgetter
>>> L=[[0, 1, 'f'], [4, 2, 't'], [9, 4, 'afsd']]
>>> sorted(L, key=itemgetter(2))
[[9, 4, 'afsd'], [0, 1, 'f'], [4, 2, 't']]
It is also possible to use a lambda function here, however the lambda function is slower in this simple case
...
How to redirect output of an entire shell script within the script itself?
...
answered Nov 24 '08 at 19:11
Jonathan LefflerJonathan Leffler
641k111111 gold badges777777 silver badges11481148 bronze badges
...
Gem::LoadError for mysql2 gem, but it's already in Gemfile
...
14 Answers
14
Active
...
Why do we need the “event” keyword while defining events?
...
143
Field-like events and public fields of delegate types look similar, but are actually very diffe...