大约有 4,800 项符合查询结果（耗时：0.0174秒） [XML]
IPC performance: Named Pipe vs Socket
Everyone seems to say named pipes are faster than sockets IPC. How much faster are they? I would prefer to use sockets because they can do two-way communication and are very flexible but will choose speed over flexibility if it is by considerable amount.
...
Git says “Warning: Permanently added to the list of known hosts”
...d" when the connection is terminated, which is also really annoying for scripting.
– Guss
Nov 16 '14 at 13:04
...
How can I start PostgreSQL server on Mac OS X?
...ver.log?
Make sure tcp localhost connections are enabled in pg_hba.conf:
# IPv4 local connections:
host all all 127.0.0.1/32 trust
Check the listen_addresses and port in postgresql.conf:
egrep 'listen|port' /usr/local/var/postgres/postgresql.conf
#listen_addresses = 'localhost' #...
Get first n characters of a string
...ordwrap function:
function truncate($string,$length=100,$append="…") {
$string = trim($string);
if(strlen($string) > $length) {
$string = wordwrap($string, $length);
$string = explode("\n", $string, 2);
$string = $string[0] . $append;
}
return $string;
}
...
OpenSSL and error in reading openssl.conf file
...yName_max = 2
commonName = Common Name (hostname, IP, or your name)
commonName_max = 64
# Default values for the above, for consistency and less typing.
# Variable name Value
#------------------------ ------------------------------
0.organizatio...
How to configure git bash command line completion?
...
On Linux
on most distributions, git completion script is installed into /etc/bash_completion.d/ (or /usr/share/bash-completion/completions/git) when you install git, no need to go to github. You just need to use it - add this line to your .bashrc:
source /etc/bash_completio...
Can you connect to Amazon ElastiСache Redis outside of Amazon?
...rules for the cache cluster and
NAT instance.
Validate the rules.
Add an iptables rule to the NAT
instance.
Confirm that the trusted client is able to connect to the
cluster.
Save the iptables configuration.
For a more detailed description see the aws guide:
https://docs.aws.amazon.com/Amazon...
Node.js app can't run on port 80 even though there's no other process blocking the port
... 80 you can redirect port 80 to your application's port (>1024) using
iptables -t nat -I PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 3000
This will work if your application is running on port 3000.
share
...
What does multicore assembly language look like?
... All the other threads start up in a special sleep state called Wait-for-SIPI. As part of its initialization, the primary thread sends a special inter-processor-interrupt (IPI) over the APIC called a SIPI (Startup IPI) to each thread that is in WFS. The SIPI contains the address from which that t...
马云：互联网时代已经过去20年，接下来30年才是关键 - 资讯 - 清泛网 - 专...
...机会是一种制衡。
今天香港的年轻人，你们所处的地理位置是最好，香港无论它的经济结构、金融的优势、知识的优势、全球化的视野绝不比大陆任何城市差，我很羡慕你们。我经常去香港，但是我想告诉大家，机会是你自己...