大约有 10,470 项符合查询结果（耗时：0.0142秒） [XML]
What's the hardest or most misunderstood aspect of LINQ? [closed]
...
That wouldn't be O(n^x), that'd be O(xn), which is just O(n).
– Malfist
Nov 15 '10 at 21:39
3
...
Using os.walk() to recursively traverse directories in Python
...
if any(exclude_name in sub_path for exclude_name in self.exn):
continue
full_path = os.path.join(parent_path, sub_path)
idc = "┣━"
if idx == len(file_list) - 1:
idc = "┗━"
...
How to change MySQL data directory?
...ysql.service failed. See 'systemctl status mysql.service' and 'journalctl -xn' for details when trying to restart mysqld, and the error is that the disk is full. It's got 500GB of free space...
– Frank H.
Mar 13 '17 at 22:03
...
What is the maximum length of a URL in different browsers?
...y. For the reality, there was an article on boutell.com (link goes to Internet Archive backup) that discussed what individual browser and server implementations will support. The executive summary is:
Extremely long URLs are usually a
mistake. URLs over 2,000 characters
will not work in the most po...
Why are variables “i” and “j” used for counters?
...r collections of things, like if you have a bunch of variables x1, x2, ... xn, then an arbitrary one will be known as xi.
As for why it's that way, I imagine SLaks is correct and it's because I is the first letter in Index.
...
Why would I make() or new()?
...sed by Rob Pike at one point: groups.google.com/d/topic/golang-nuts/kWXYU95XN04/discussion. Ultimately it didn't go through for reasons similar to the ones given in your answer.
– Evan Shaw
Feb 17 '12 at 19:53
...
How do I pass parameters to a jar file at the time of execution?
... answered Jan 19 '09 at 6:20
Xn0vv3rXn0vv3r
16.5k1313 gold badges5353 silver badges6363 bronze badges
...
What does %~dp0 mean, and how does it work?
...
%~nn will return the file name only of %n if %n is a valid file name
%~xn will return the file extension only of %n if %n is a valid file name
%~fn will return the fully qualified path of %n if %n is a valid file name or directory
ADD 1
Just found some good reference for the mysterious ...
curl_exec() always returns false
...the link directly from a browser it converted to something likehttps://www.xn--eexample-0m3d.com/api.
It may seem to you that they are equal but if you check the encoding of the hyphens here you'll see that the first hyphen is a unicode characters U+2010 and the other is a U+002D.
Hope this helps ...
How do I write a bash script to restart a process if it dies?
...lf.flush()
In shell you can actually test if it's running:
if [ `flock -xn /tmp/script.lock -c 'echo 1'` ]; then
echo 'it's not running'
restart.
else
echo -n 'it's already running with PID '
cat /tmp/script.lock
fi
But of course you don't have to test, because if it's already runn...