大约有 43,200 项符合查询结果（耗时：0.0427秒） [XML]
PHP Function with Optional Parameters
I've written a PHP function that can accepts 10 parameters, but only 2 are required. Sometimes, I want to define the eighth parameter, but I don't want to type in empty strings for each of the parameters until I reach the eighth.
...
The tilde operator in Python
...complement representation of the integer are reversed (as in b <- b XOR 1 for each individual bit), and the result interpreted again as a twos-complement integer. So for integers, ~x is equivalent to (-x) - 1.
The reified form of the ~ operator is provided as operator.invert. To support this o...
Random record from MongoDB
I am looking to get a random record from a huge (100 million record) mongodb .
26 Answers
...
How do I use a custom Serializer with Jackson?
...
11 Answers
11
Active
...
Ruby: How to turn a hash into HTTP parameters?
...
13 Answers
13
Active
...
Get the name of the currently executing method
... name as a string, call __method__.to_s instead.
Note: This requires Ruby 1.8.7.
share
|
improve this answer
|
follow
|
...
jQuery deferreds and promises - .then() vs .done()
...
10 Answers
10
Active
...
How to convert a table to a data frame
...
|
edited Nov 29 '16 at 20:39
Jaap
68.6k2525 gold badges155155 silver badges164164 bronze badges
...
Regex exactly n OR m times
...
91
There is no single quantifier that means "exactly m or n times". The way you are doing it is fin...