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What does the “|” (single pipe) do in JavaScript?
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Anto
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answered Jun 1 '11 at 0:16
SLaksSLaks
770...
How is “int* ptr = int()” value initialization not illegal?
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3
+1, the constant expression bit is important and missing from the top-2 upvoted answers.
– David Rodríguez - dribeas
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TCP: can two different sockets share a port?
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183
A server socket listens on a single port. All established client connections on that server are...
What is sys.maxint in Python 3?
...a maximum integer, and I've read to use "sys.maxint" . However, in Python 3 when I call it I get:
6 Answers
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Why is the shovel operator (
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Proof:
a = 'foo'
a.object_id #=> 2154889340
a << 'bar'
a.object_id #=> 2154889340
a += 'quux'
a.object_id #=> 2154742560
So << alters the original string rather than creating a new one. The reason for this is that in ruby a += b is syntactic sho...
Python - Create list with numbers between 2 values?
...t returns a list so all you need is:
>>> range(11, 17)
[11, 12, 13, 14, 15, 16]
In Python 3.x range is a iterator. So, you need to convert it to a list:
>>> list(range(11, 17))
[11, 12, 13, 14, 15, 16]
Note: The second number is exclusive. So, here it needs to be 16+1 = 17
E...
Datatype for storing ip address in SQL Server
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130
The technically correct way to store IPv4 is binary(4), since that is what it actually is (no, ...
Scaling Node.js
...g example:
http {
upstream myproject {
server 127.0.0.1:8000 weight=3;
server 127.0.0.1:8001;
server 127.0.0.1:8002;
server 127.0.0.1:8003;
}
server {
listen 80;
server_name www.domain.com;
location / {
proxy_pass http://myproject;
}
}
}
Redis
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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ive si so bi bo in cs us sy id wa st
1 0 0 810420 97380 70628 0 0 115 4 89 79 1 6 90 3 0
3. lsof — 打开文件列表
lsof 命令对于很多 Linux/Unix 系统都可以使用，主要以列表的形式显示打开的文件和进程。
打开的文件...
How to pass arguments and redirect stdin from a file to program run in gdb?
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136
Pass the arguments to the run command from within gdb.
$ gdb ./a.out
(gdb) r < t
Starting p...