大约有 15,000 项符合查询结果（耗时：0.0205秒） [XML]
How to create a directory and give permission in single command
...odirectory and yostuff...to get around this we can use a subshell:
( umask 000 && mkdir -p yodirectory/yostuff/mastuffinyostuff )
and that's it. 777 perms for yostuff, mastuffinyostuff, and yodirectory.
share
...
Add centered text to the middle of a -like line
...rator::after {
content: '';
flex: 1;
border-bottom: 1px solid #000;
}
.separator::before {
margin-right: .25em;
}
.separator::after {
margin-left: .25em;
}
See http://jsfiddle.net/MatTheCat/Laut6zyc/ for demo.
Today the compatibility is not that bad (you can add all of old fle...
How to get the separate digits of an int number?
... toCharArray is MUCH faster than split. I just put both in a loop 1000 times and toCharArray took 20ms and split took 1021ms. I also did it mathematically using divide by ten with mod (%) and it took 50ms doing it that way, so toCharArray appears to be faster than the other two.
...
MongoDB: Is it possible to make a case-insensitive query?
...
I recently tested with mongodb 3.0.4 with 100,000 records with a name field indexed. The case insensitive regex query takes over 200ms where casesensitive regex takes about 16ms.(Both cases include regex start with '^')
– dCoder
Dec...
A weighted version of random.choice
...ter than numpy.random.choice . Picking from a list of 8 weighted items 10,000 times, numpy.random.choice took 0.3286 sec where as random.choices took 0.0416 sec, about 8x faster.
– Anton Codes
Jun 18 '19 at 13:34
...
How can I find out the total physical memory (RAM) of my linux box suitable to be parsed by a shell
... edited Nov 5 '14 at 12:33
Dummy00001
14.4k55 gold badges3131 silver badges5555 bronze badges
answered Dec 5 '13 at 12:09
...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...#########QUOTA Settings########################
message_size_limit = 14336000
virtual_mailbox_limit = 20971520
virtual_create_maildirsize = yes
virtual_mailbox_extended = yes
virtual_mailbox_limit_maps = mysql:/etc/postfix/mysql_virtual_mailbox_limit_maps.cf
virtual_mailbox_limit_override = ye...
Is there a working C++ refactoring tool? [closed]
...factoring tool for C++ that works reliably with large code bases (some 100.000 lines)?
19 Answers
...
Reading CSV files using C#
...ast CSV reader on a 53Mb file. Looks like the line caching failed after 43,000 rows and scrambled the buffer. Tried the VB TextFieldParser and it did the trick. Thanks
– Gone Coding
May 21 '12 at 12:54
...
CSS background image to fit width, height should auto-scale in proportion
...ilver;
padding-top:1ex;
}
div > div::after {
background-color: #000;
color: #fefefe;
margin: 1ex;
padding: 1ex;
opacity: 0.8;
display: block;
width: 10ex;
font-size: 0.7em;
content: attr(class);
}
<div>
<div class="contain"></div>
<p>...