大约有 43,000 项符合查询结果（耗时：0.0235秒） [XML]
Impossible to make a cached thread pool with a size limit?
...
The ThreadPoolExecutor has the following several key behaviors, and your problems can be explained by these behaviors.
When tasks are submitted,
If the thread pool has not reached the core size, it creates new threads.
If the core size has been reached and there is no idle threads, it ...
An example of how to use getopts in bash
...t;0 (for the sake of simplicity I didn't differentiate between those cases and nobody forces you to print the usage text in the latter case). I have seen programs which always return != 0, though, even on -h/--help. Maybe I should update the snippet in case people use this as boilerplate (I hope not...
How do you clear a slice in Go?
...- memory not used, but potentially reachable (after re-slicing of 'slice') and thus not garbage "collectable".
share
|
improve this answer
|
follow
|
...
List all developers on a project in Git
...
To show all users & emails, and the number of commits in the CURRENT branch:
git shortlog --summary --numbered --email
Or simply:
git shortlog -sne
To show users from all branches (not only the ones in the current branch) you have to add --all fla...
Which is faster in Python: x**.5 or math.sqrt(x)?
...
I've now run it 3 times on codepad.org and all three times a() was much faster than b().
– Jeremy Ruten
Nov 29 '08 at 1:38
13
...
What are the main purposes of using std::forward and which problems it solves?
...arding, std::forward is used to convert the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
...
How to implement a binary tree?
... if val == node.v:
return node
elif (val < node.v and node.l is not None):
self._find(val, node.l)
elif (val > node.v and node.r is not None):
self._find(val, node.r)
def deleteTree(self):
# garbage collector will do this for u...
How to remove all the occurrences of a char in c++ string
...
Basically, replace replaces a character with another and '' is not a character. What you're looking for is erase.
See this question which answers the same problem. In your case:
#include <algorithm>
str.erase(std::remove(str.begin(), str.end(), 'a'), str.end());
Or us...
How do I make a Mac Terminal pop-up/alert? Applescript?
... edited Sep 9 '15 at 13:54
Andrew Marshall
87.3k1818 gold badges202202 silver badges204204 bronze badges
answered Apr 7 '11 at 22:20
...
Executing multi-line statements in the one-line command-line?
...
this style can be used in makefiles too (and in fact it is used quite often).
python - <<EOF
import sys
for r in range(3): print 'rob'
EOF
or
python - <<-EOF
import sys
for r in range(3): print 'rob'
EOF
in latter case leading tab character...