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What does the filter parameter to createScaledBitmap do?
The declaration of android.graphics.Bitmap.createScaledBitmap is
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Can I set null as the default value for a @Value in Spring?
I'm currently using the @Value Spring 3.1.x annotation like this:
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How to use mysql JOIN without ON condition?
Is it possible to write join query without ON statement? and how do these joins differ LEFT JOIN, RIGHT JOIN works.
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What is Pseudo TTY-Allocation? (SSH and Github)
I was trying to setup an SSH connection with Github following this tutorial: https://help.github.com/articles/testing-your-ssh-connection/
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Why java.io.File doesn't have a close() method?
While java.io.RandomAccessFile does have a close() method java.io.File doesn't. Why is that? Is the file closed automatically on finalization or something?
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Why is there no std::stou?
C++11 added some new string conversion functions:
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What's the difference between lists enclosed by square brackets and parentheses in Python?
Are they both valid? Is one preferred for some reason?
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Should I be concerned about excess, non-running, Docker containers?
Every docker run command, or every RUN command inside a Dockerfile, creates a container. If the container is no longer running it can still be seen with docker ps -a .
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Run cron job only if it isn't already running
So I'm trying to set up a cron job as a sort of watchdog for a daemon that I've created. If the daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do wha...
java.net.UnknownHostException: Invalid hostname for server: local
What are the steps I should take to solve the error:
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