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Where does this come from: -*- coding: utf-8 -*-
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actually, if I put a line like test1 = 'äöü' it will hint you to add such a headder to the file. (pycharm 2019.1)
– Cutton Eye
Sep 27 '19 at 10:33
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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
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Here's a comment by React team member Sebastian Markbåge which sheds some light:
React does the diffing on the output (which is a known serializable format, DOM attributes). This means that the source data can be of any format. It can be immutable data structures and state in...
Find the IP address of the client in an SSH session
... to replace the ip in this command "iptables -A INPUT -s 93.203.118.251 -p tcp --destination-port 443 -j DROP" is that possible?
– wutzebaer
Aug 5 '15 at 13:00
2
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How to impose maxlength on textArea in HTML using JavaScript
...ise the browser will enforce the limit).
– Juha Palomäki
Jan 20 '13 at 23:16
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Retrieving the last record in each group - MySQL
There is a table messages that contains data as shown below:
27 Answers
27
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JMS Topic vs Queues
... Some JMS providers efficiently choose to implement this as UDP instead of TCP. For topic's the message delivery is 'fire-and-forget' - if no one listens, the message just disappears. If that's not what you want, you can use 'durable subscriptions'.
A JMS queue is a 1-to-1 destination of messages. ...
How to create a bash script to check the SSH connection?
... ssh | grep open`
$ b=`nmap downhost -PN -p ssh | grep open`
$ echo $a
22/tcp open ssh
$ echo $b
(empty string)
But you'll have to grep the message (nmap does not use the return-value to show if a port was filtered, closed or open).
EDIT2:
If you're interested in the actual state of the ssh-por...
Can you configure log4net in code instead of using a config file?
... setting hierarchy.Configured = true;.
– Eivind Gussiås Løkseth
Apr 5 '17 at 14:49
3
Make sure ...
Launching Spring application Address already in use
...| grep LISTEN
java 78960 xyxss 119u IPv6 0x6c20d372bc88c27d 0t0 TCP *:8092 (LISTEN)
The 78960 is the process id, use the following command to kill the process
kill -9 78960
Launch the application again.
share...
ERROR 2003 (HY000): Can't connect to MySQL server on '127.0.0.1' (111)
...the unix socket (/var/run/mysqld/mysqld.sock on ubuntu) rather than over a TCP socket.
– Duke
Sep 12 '13 at 0:08
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