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How to convert a SVG to a PNG with ImageMagick?
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Checking if a variable is defined?
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Merge multiple lines (two blocks) in Vim
...akes us stronger
~
UPDATE: An answer with this many upvotes deserves a more thorough explanation.
In Vim, you can use the pipe character (|) to chain multiple Ex commands, so the above is equivalent to
:5,8del
:let l=split(@")
:1,4s/$/\=remove(l,0)/
Many Ex commands accept a range of lines a...
Is it possible to change the package name of an Android app on Google Play?
...ifest package name, this is the unique identity of the application forever more. Switching to a different name results in an entirely new application, one that can’t be installed as an update to the existing application.
More on things you cannot change here
Regarding your question on the URL fro...
How can I print the contents of a hash in Perl?
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Of course you're right re: $k. But it's more efficient in Perl 6! :) Yes, you're right on that too. I would never have thought to actually optimize or profile my Perl, but I'm glad to learn this. Of course, each should be more efficient (because there's no extra...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...kernel memory!), that is a disadvantage. And every additional thread means more work for the scheduler.
One thread for all connections.
This takes load from the system because we have fewer threads. But it also prevents you from using the full performance of your machine, because you might end up dr...
Handler vs AsyncTask
... to the number of jobs that can be scheduled using AsyncTasks.
Handler is more transparent of the two and probably gives you more freedom; so if you want more control on things you would choose Handler otherwise AsynTask will work just fine.
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Rails: Using greater than/less than with a where statement
...yntax! Instead of 201..Float::INFINITY you'll be able to just write 201... More info in this blog post.
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Rails layouts per action?
... solution in the question itself. It does not work if you want to use 3 or more different layouts (as is exactly my case).
– mrbrdo
Oct 6 '16 at 23:14
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Why not use always android:configChanges=“keyboardHidden|orientation”?
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However, android:configChanges="keyboardHidden|orientation" is nothing more than a bandaid. In truth, there are many ways a configuration change can be triggered. For example, if the user selects a new language (i.e. the locale has changed), your activity will be restarted in the same way it doe...