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ggplot with 2 y axes on each side and different scales
I need to plot a bar chart showing counts and a line chart showing rate all in one chart, I can do both of them separately, but when I put them together, I scale of the first layer (i.e. the geom_bar ) is overlapped by the second layer (i.e. the geom_line ).
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Cron jobs and random times, within given hours
...m, it'd be a little more complicated to randomize the seconds as well. Finally, since the start times are random and independent of each other, it's possible (but not very likely) that two or more instances of the script will be started simultaneously.
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How to make shallow git submodules?
Is it possible to have shallow submodules? I have a superproject with several submodules, each with a long history, so it gets unnecessarily big dragging all that history.
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Scheduling recurring task in Android
...leep as soon as your onReceive() method completes. If your alarm receiver called Context.startService(), it is possible that the phone will sleep before the requested service is launched. To prevent this, your BroadcastReceiver and Service will need to implement a separate wake lock policy to ensure...
Jquery select all elements that have $jquery.data()
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You could do
$('[data-myAttr!=""]');
this selects all elements which have an attribute data-myAttr which is not equal to '' (so it must have been set);
you could also use filter()
$('*').filter(function() {
return $(this).data('myAttr') !== undefined;
});
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How to get first character of string?
...le what you say is true, unfortunately charAt() without any parameters actually runs about 10x slower than chartAt(0) in Firefox as of Firefox 71. See for yourself here: jsperf.com/testing-the-first-character-in-a-string/1
– Stephen M Irving
Dec 16 '19 at 21:54...
Scala framework for a Rest API Server? [closed]
...e been enjoying what I've been learning these days with the Scala book and all the blog posts and questions (it's not so ugly!)
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Check for current Node Version
I need to programmatically access the current node version running in a library I am writing. Can't seem to find this in the docs.
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Safely limiting Ansible playbooks to a single machine?
I'm using Ansible for some simple user management tasks with a small group of computers. Currently, I have my playbooks set to hosts: all and my hosts file is just a single group with all machines listed:
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Git rebase --continue complains even when all merge conflicts have been resolved
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This happens because when fixing a conflict, you removed all code in the patch beeing applied to the branch you are rebasing on. Use git rebase --skip to continue.
A bit more details:
Normally, when fixing a conflict during rebasing, you will edit the conflicting file, keeping s...