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Backup/Restore a dockerized PostgreSQL database
...stgres > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql
Restore your databases
cat your_dump.sql | docker exec -i your-db-container psql -U postgres
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java.net.ConnectException: localhost/127.0.0.1:8080 - Connection refused
...ead of 127.0.0.1. This may still not working depending on how your network/firewalls are set up. But that is a completely different topic.
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What is the difference between CMD and ENTRYPOINT in a Dockerfile?
...ple is good, it shows how to use an image as a "binary". When using ["/bin/cat"] as entrypoint and then doing docker run img /etc/passwd, you get it, /etc/passwd is the command and is passed to the entrypoint so the end result execution is simply /bin/cat /etc/passwd.
Another example would be to ha...
npm not working - “read ECONNRESET”
...easily be you are being blocked to that website by your ISP's or Company's firewall/proxy. Using the above method is quicker and easier but it's also insecure as it doesnt verify you are connected to the right website. To check if you are being blocked simply go to registry.npmjs.org in your brows...
What is the difference between a symbolic link and a hard link?
...e two files:
$ touch foo; touch bar
Enter some Data into them:
$ echo "Cat" > foo
$ echo "Dog" > bar
(Actually, I could have used echo in the first place, as it creates the files if they don't exist... but never mind that.)
And as expected:
$cat foo; cat bar
Cat
Dog
Let's create hard...
How to get the cuda version?
...he CUDA compiler version (which matches the toolkit version).
From application code, you can query the runtime API version with
cudaRuntimeGetVersion()
or the driver API version with
cudaDriverGetVersion()
As Daniel points out, deviceQuery is an SDK sample app that queries the above, along ...
array_push() with key value pair
...
So what about having:
$data['cat']='wagon';
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Function to clear the console in R and RStudio
...
cat("\014")
is the code to send CTRL+L to the console, and therefore will clear the screen.
Far better than just sending a whole lot of returns.
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In log4j, does checking isDebugEnabled before logging improve performance?
I am using Log4J in my application for logging. Previously I was using debug call like:
16 Answers
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How can I stop redis-server?
...i shutdown. (you can send any command like this, for example redis-cli set cat dog; redis-cli get cat)
– JesseBuesking
Apr 30 '13 at 16:33
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