大约有 47,000 项符合查询结果（耗时：0.0611秒） [XML]
How to convert a std::string to const char* or char*?
... you could, but strdup is not a c or c++ standard function, it's from posix :)
– Johannes Schaub - litb
Dec 7 '08 at 20:39
14
...
Python Process Pool non-daemonic?
...p-level
# multiprocessing module.
import multiprocessing.pool
import time
from random import randint
class NoDaemonProcess(multiprocessing.Process):
# make 'daemon' attribute always return False
def _get_daemon(self):
return False
def _set_daemon(self, value):
pass
...
Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...program under a sandbox in Linux. Something that would prevent the program from opening files, or network connections, or forking, exec, etc?
...
Why should I use Deque over Stack?
...sh items into the data structure and I only want to retrieve the last item from the Stack. The JavaDoc for Stack says :
7...
When do you use map vs flatMap in RxJava?
...another.
flatMap transform one event to zero or more event. (this is taken from IntroToRx)
As you want to transform your json to an object, using map should be enough.
Dealing with the FileNotFoundException is another problem (using map or flatmap wouldn't solve this issue).
To solve your Excepti...
How do you remove duplicates from a list whilst preserving order?
Is there a built-in that removes duplicates from list in Python, whilst preserving order? I know that I can use a set to remove duplicates, but that destroys the original order. I also know that I can roll my own like this:
...
C++ valarray vs. vector
...true) didn't help it either.
ISTR that the main reason it wasn't removed from the standard is that nobody took the time to evaluate the issue thoroughly and write a proposal to remove it.
Please keep in mind, however, that all this is vaguely remembered hearsay. Take this with a grain of salt an...
from list of integers, get number closest to a given value
...uilt-in min() function, to find the element which has the minimum distance from the specified number.
>>> min(myList, key=lambda x:abs(x-myNumber))
4
Note that it also works with dicts with int keys, like {1: "a", 2: "b"}. This method takes O(n) time.
If the list is already sorted, or...
Save image from URL by paperclip
Please suggest me a way to save an image from an URL by Paperclip.
8 Answers
8
...
How to remove local (untracked) files from the current Git working tree
How do you delete untracked local files from your current working tree?
38 Answers
38
...