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Postgresql: password authentication failed for user “postgres”
...count only by using the postgres OS user account.
Assuming, that you have root access on the box you can do:
sudo -u postgres psql
If that fails with a database "postgres" does not exists error, then you are most likely not on a Ubuntu or Debian server :-) In this case simply add template1 to th...
Java regex email
...mple.com
_somename@example.com
matteo(this is a comment).corti@example.com
root@[127.0.0.1]
Just to mention a few problems:
you don't consider the many forms of specifying a host (e.g, by the IP address)
you miss valid characters
you miss non ASCII domain names
Before even beginning check the ...
国务院常务会议“大数据” - 资讯 - 清泛网 - 专注C/C++及内核技术
...，“设立保险投资基金”，从这些会议关键词可以看出，如何有效发挥财政和金融的作用成为当前中国经济的调控关键。
近几年国务院常务会议讨论和出台的关于财政和金融方面的政策措施越来越多，财政金融手段使用比过去...
How do I profile memory usage in Python?
... 12 7 176 100 int
>>> x=[]
>>> h.iso(x).sp
0: h.Root.i0_modules['__main__'].__dict__['x']
>>>
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Creating a new empty branch for a new project
... This answer is interesting because it allows you to start another branch/root with totally empty first commit.
– Stéphane Gourichon
Dec 30 '18 at 19:15
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Python initializing a list of lists [duplicate]
... Spent hours debugging a script for which this behaviour was the root cause - thanks very much for the excellent answer.
– otocan
May 23 '17 at 9:20
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Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...值。
注意：history只针对登录用户下执行有效，即使root用户也无法得到其它用户histotry历史。当然，还是有办法记录所有登陆用户的操作历史的：
在/etc/profile里面加入以下代码：
PS1="`whoami`@`hostname`:"'[$PWD]'
history
USER_IP=`wh...
server { # 我们都知道（我们都应该知道），443是 https 的默认端口 list...
... }
root /var/www/html;
index index.html index.htm index.nginx-debian.html;
# server_name _;
location / {
&...
Get the distance between two geo points
...rectangular projection), much faster (it requires only 1 trig and 1 square root).
This approximation is relevant if your points are not too far apart. It will always over-estimate compared to the real haversine distance. For example it will add no more than 0.05382 % to the real distance if the del...
Error executing command 'ant' on Mac OS X 10.9 Mavericks when building for Android with PhoneGap/Cor
...
Simple as that, the issue is fixed.
Note Don't forget to sudo chown -R root:wheel /usr/share/ant
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