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How to check if a particular service is running on Ubuntu
... in terminal.
nmap is an useful tool that analyse an up system, using it's IP A
What port is a given program using? [closed]
...s Explorer: locate the process in question, right-click and select the TCP/IP tab. It will even show you, for each socket, a stack trace representing the code that opened that socket.
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How do I include negative decimal numbers in this regular expression?
...9]|[12][0-9]|3[01])\D([1-9]|0[1-9]|1[012])\D(19[0-9][0-9]|20[0-9][0-9])$
IP v4:
^(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]){3}$
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How can mixed data types (int, float, char, etc) be stored in an array?
... low bits used to store the type (int, string, object... etc.). But since JägerMonkey they took another path (Mozilla’s New JavaScript Value Representation, backup link). The value is now always stored in a 64-bit double precision variable. When the double is a normalized one, it can be used dire...
Command line for looking at specific port
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You can use the netstat combined with the -np flags and a pipe to the find or findstr commands.
Basic Usage is as such:
netstat -np <protocol> | find "port #"
So for example to check port 80 on TCP, you can do this: netstat -np TCP | find "80"
Which ends up giving the follo...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...ed Oct 24 '18 at 13:08
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
answered Jul 6 '16 at 16:55
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Can't pickle when using multiprocessing Pool.map()
...ed Feb 28 '17 at 14:31
Jean-François Fabre♦
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answered Nov 29 '09 at 22:16
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What is the fastest way to check if a class has a function defined?
I'm writing an AI state space search algorithm, and I have a generic class which can be used to quickly implement a search algorithm. A subclass would define the necessary operations, and the algorithm does the rest.
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Rename an environment with virtualenvwrapper
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if you do:
$ ack-grep -ai doors ~/.virtualenvs/django/bin
you'll notice that will have doors as location and not django, you'll to change each file with the new location.
solution:
after renamed the folder execute the command below.
$ sed -i "...
Insert, on duplicate update in PostgreSQL?
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@FrançoisBeausoleil: the chance of a race condition is much smaller than with the "try/handle exception" approach
– a_horse_with_no_name
Feb 21 '12 at 15:32
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