大约有 16,000 项符合查询结果（耗时：0.0237秒） [XML]
Python int to binary string?
Are there any canned Python methods to convert an Integer (or Long) into a binary string in Python?
35 Answers
...
Normal arguments vs. keyword arguments
... "keyword arguments" different from regular arguments? Can't all arguments be passed as name=value instead of using positional syntax?
...
Deleting array elements in JavaScript - delete vs splice
What is the difference between using the delete operator on the array element as opposed to using the Array.splice method ?
...
python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
... want to drop duplicates, keeping the row with the highest value in column B.
12 Answers
...
Delete an element from a dictionary
...s the existing dictionary so the contents of the dictionary changes for anybody else who has a reference to the same instance. To return a new dictionary, make a copy of the dictionary:
def removekey(d, key):
r = dict(d)
del r[key]
return r
The dict() constructor makes a shallow copy....
What is a word boundary in regex?
...ic output, among other purposes) and cannot find a precise definition of \b ("word boundary"). I had assumed that -12 would be an "integer word" (matched by \b\-?\d+\b ) but it appears that this does not work. I'd be grateful to know of ways of matching space-separated numbers.
...
How to define an enumerated type (enum) in C?
...
Declaring an enum variable is done like this:
enum strategy {RANDOM, IMMEDIATE, SEARCH};
enum strategy my_strategy = IMMEDIATE;
However, you can use a typedef to shorten the variable declarations, like so:
typedef enum {RANDOM, IMMEDIATE, SEARC...
Append a NumPy array to a NumPy array
I have a numpy_array. Something like [ a b c ] .
9 Answers
9
...
Convert list of dictionaries to a pandas DataFrame
...
cs95
231k6060 gold badges390390 silver badges455455 bronze badges
answered Dec 17 '13 at 15:35
jorisjoris
...
Converting bool to text in C++
Maybe this is a dumb question, but is there any way to convert a boolean value to a string such that 1 turns to "true" and 0 turns to "false"? I could just use an if statement, but it would be nice to know if there is a way to do that with the language or standard libraries. Plus, I'm a pedant. :...