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Convert a Unicode string to a string in Python (containing extra symbols)
How do you convert a Unicode string (containing extra characters like £ $, etc.) into a Python string?
9 Answers
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Get first n characters of a string
How can I get the first n characters of a string in PHP? What's the fastest way to trim a string to a specific number of characters, and append '...' if needed?
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How do I purge a linux mail box with huge number of emails? [closed]
I have setup some cron jobs and they send the crons result to an email. Now over the months I have accumulated a huge number of emails.
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Trying to SSH into an Amazon Ec2 instance - permission error
...our key file must not be publicly viewable for SSH to work. Use this
command if needed: chmod 400 mykey.pem
400 protects it by making it read only and only for the owner.
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Using node.js as a simple web server
...pm install http-server -g
Now you can run a server via the following commands:
$ cd MyApp
$ http-server
If you're using NPM 5.2.0 or newer, you can use http-server without installing it with npx. This isn't recommended for use in production but is a great way to quickly get a server running ...
Access denied for user 'test'@'localhost' (using password: YES) except root user
...ysql non root/admin user, I am following the below steps for creating user and its privileges, correct me if i am doing wrong,
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浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...超过它，就需要使用tcp_window_scaling机制。参考：TCP Windows and Window Scaling。
Linux中通过配置内核参数里接收缓冲的大小，进而可以控制接收窗口的大小：
shell> sysctl -a | grep mem
net.ipv4.tcp_rmem = <MIN> <DEFAULT> <MAX>
如果我们出于传输...
How to dismiss notification after action has been clicked
...e(): Bundle extras = getIntent().getExtras(); if (extras != null) { String tag = extras.getString(NotificationReceiver.INTENT_EXTRA_NOTIFICATION_TAG); int id = extras.getInt(NotificationReceiver.INTENT_EXTRA_NOTIFICATION_ID); if (NotificationReceiver.NOTIFICATION_ID == id && Not...
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
...so force using a socket with the socket parameter (-S with /usr/bin/mysql) and force TCP/IP by providing a port (-P with /usr/bin/mysql.)
– Kaoru
Jun 1 '14 at 11:17
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Multi-line string with extra space (preserved indentation)
...t; EndOfMessage
This is line 1.
This is line 2.
Line 3.
EndOfMessage
The string after << indicates where to stop.
To send these lines to a file, use:
cat > $FILE <<- EOM
Line 1.
Line 2.
EOM
You could also store these lines to a variable:
read -r -d '' VAR << EOM
This is l...