大约有 15,475 项符合查询结果（耗时：0.0214秒） [XML]
What character to use to put an item at the end of an alphabetic list?
...es a bunch of folders with all the printables strings in Python so you can test your file manager.
import os
import string
for i in string.printable:
try:
os.mkdir(i)
except OSError:
print('OSError for %s' %(I))
Once you have sorted by name you can get your an...
How can I recover the return value of a function passed to multiprocessing.Process?
...fills up and blocks everything.
Update for those who are object-oriented (tested in Python 3.4):
from multiprocessing import Process, Queue
class Multiprocessor():
def __init__(self):
self.processes = []
self.queue = Queue()
@staticmethod
def _wrapper(func, queue, ar...
Using vagrant to run virtual machines with desktop environment
...
My 2 cents
Make sure you are running latest vagrant (1.3.3 now) + VirtualBox (4.2.18) to avoid bugs.
You can use shell script or inline command to install a desktop environment or a light weight window manager
For example install LXDE on top of Ubuntu 12.04 Preci...
How do I determine the size of my array in C?
...nal parameter size_t size indicating the number of elements in the array.
Test:
#include <stdio.h>
#include <stdlib.h>
void printSizeOf(int intArray[]);
void printLength(int intArray[]);
int main(int argc, char* argv[])
{
int array[] = { 0, 1, 2, 3, 4, 5, 6 };
printf("sizeof...
How do I write a “tab” in Python?
...
Here are some more exotic Python 3 ways to get "hello" TAB "alex" (tested with Python 3.6.10):
"hello\N{TAB}alex"
"hello\N{tab}alex"
"hello\N{TaB}alex"
"hello\N{HT}alex"
"hello\N{CHARACTER TABULATION}alex"
"hello\N{HORIZONTAL TABULATION}alex"
"hello\x09alex"
"hello\u0009alex"
"hello...
Redis is single-threaded, then how does it do concurrent I/O?
...oncurrency doesn't do work in parallel and it most certainly does as I can test this with running task async and getting work done that is ultimately considered to be in parallel. parallelism in the context of that article is referring to the multicore nature of being able to run on mutliple thread...
How can I save application settings in a Windows Forms application?
...set it to DEFAULT_FILENAME. Then have the default argument value be null, test for this and use your property as the default value. It is a little more typing, but gives you a more standard interface.
– Jesse Chisholm
Apr 21 '15 at 15:31
...
Guards vs. if-then-else vs. cases in Haskell
...n requires MonadPlus, but what we are talking about here is guards as in | test = clauses, which aren't related.
– Ben Millwood
Mar 1 '12 at 14:58
...
Best way to convert IList or IEnumerable to Array
...
ahh... the unit test project does not include the linq by default. Thank you!
– zsf222
Oct 25 '15 at 4:51
add a comm...
Exclude a sub-directory using find
...
@Ravi are you using bash shell? I just tested this on my terminal and it works for me. Try copy and pasting the solution instead if you made modifications to your script.
– sampson-chen
Nov 19 '12 at 19:30
...