大约有 20,000 项符合查询结果（耗时：0.0349秒） [XML]
counting number of directories in a specific directory
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Nice! How would you do this $ ls -l .vim with PHP? Or how to get only the total, without the list. I mean, in this case get only 52?
– Pathros
Mar 8 '17 at 18:32
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Should I implement __ne__ in terms of __eq__ in Python?
...lly redundant to the one before it, I'm including them to demonstrate that order does not matter when one is a subclass of the other.)
These instances have __ne__ implemented with ==:
assert not right1 == right2
assert not right2 == right1
assert right1 != right2
assert right2 != right1
These in...
比起创业孵化器 双创中国更急需的是创业教育 - 资讯 - 清泛网 - 专注C/C++...
...创业者面对面分享自己的心得体会，探讨创业路上的具体问题。这种分享是免费和开放的。诸多的谷创业明星都曾来到这个平台进行分享，影响了一批又一批的创业者。
而在中国，这种创业分享形式却被现实原因所阻碍。最为...
MySQL Orderby a number, Nulls last
Currently I am doing a very basic OrderBy in my statement.
12 Answers
12
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Why am I getting an OPTIONS request instead of a GET request?
...d an HTTP OPTIONS request header to the resource on the other
domain, in order to determine whether the actual request is safe to
send. Cross-site requests are preflighted like this since they may
have implications to user data. In particular, a request is
preflighted if:
It uses m...
Print a list in reverse order with range()?
...n reversed list.
When you have iteration over n items and want to replace order of list returned by range(start, stop, step) you have to use third parameter of range which identifies step and set it to -1, other parameters shall be adjusted accordingly:
Provide stop parameter as -1(it's previous ...
Why am I seeing an “origin is not allowed by Access-Control-Allow-Origin” error here? [duplicate]
...ot the case you cannot use jsonp and you MUST rely on a server side proxy (PHP, ASP, etc.). There are plenty of guides related to this topic, just google it!
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How to compare two floating point numbers in Bash?
... then
echo "${FOO} > ${BAR}";
else
echo "${FOO} <= ${BAR}";
fi
Order of logical operators matters. Integer parts are compared as numbers and fractional parts are intentionally compared as strings. Variables are split into integer and fractional parts using this method.
Won't compare flo...
Send message to specific client with socket.io and node.js
... you need to send an event to a specific socket with a callback, then use @PHPthinking's answer and use io.sockets.connected[socketid].emit();. Tested with 1.4.6.
– tbutcaru
May 25 '16 at 14:48
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NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream
...eam, client:xxxxxxxxxxxxxxxxxxxxxxxxx", upstream: "fastcgi://unix:/var/run/php/php5.6-fpm.sock", host: "xxxxxxxxxxxxxxx", referrer: "xxxxxxxxxxxxxxxxxxxx"
So i have to adjust the fastcgi_read_timeout in my server configuration
location ~ \.php$ {
fastcgi_read_timeout 240;
...
}
See:...