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ggplot2 keep unused levels barplot
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You need to set drop=FALSE on both scales (fill and x) like this:
library(ggplot2)
df <- data.frame(type=c("A", "A", "A", "B", "B"), group=rep("group1", 5))
df1 <- data.frame(type=c("A", "A", "A", "B", "B", "A", "A", "C", "B", "B"...
jQuery change input text value
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When set the new value of element, you need call trigger change.
$('element').val(newValue).trigger('change');
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how to write setTimeout with params by Coffeescript
...Node.js API, for instance. So with that in mind:
delay = (ms, func) -> setTimeout func, ms
delay 1000, -> something param
Granted, this adds the overhead of an extra function call to every setTimeout you make; but in today's JS interpreters, the performance drawback is insignificant unless...
How to make child process die after parent exits?
... deliver SIGHUP (or other signal) when parent dies by specifying option PR_SET_PDEATHSIG in prctl() syscall like this:
prctl(PR_SET_PDEATHSIG, SIGHUP);
See man 2 prctl for details.
Edit: This is Linux-only
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What is the difference between `git fetch origin` and `git remote update origin`?
...ating all remotes (except those with remote.<name>.skipDefaultUpdate set), but not any of the more specific options of fetch. Under the hood, though, it does the exact same thing as fetch with the default options.
The answer recommending remote update instead of git fetch was actually recomm...
Angular JS: What is the need of the directive’s link function when we already had directive’s contro
...directive works on the DOM (after getting attached). Therefore:
(1) After setting up the view[V] (i.e. template) with link. $scope is our [M] and $controller is our [C] in M V C
(2) Take advantage the 2-way binding with $scope by setting up watches.
(3) $scope watches are expected to be added in ...
How to find list intersection?
...ot important and you don't need to worry about duplicates then you can use set intersection:
>>> a = [1,2,3,4,5]
>>> b = [1,3,5,6]
>>> list(set(a) & set(b))
[1, 3, 5]
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Difference between CPPFLAGS and CXXFLAGS in GNU Make
...not; you'll run into both conventions. You have to know what your current setup is doing.
– James Moore
Nov 16 '16 at 23:29
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How to create a SQL Server function to “join” multiple rows from a subquery into a single delimited
... play tricks like this with a temporary variable:
declare @s varchar(max)
set @s = ''
select @s = @s + City + ',' from Locations
select @s
It's definitely less code than walking over a cursor, and probably more efficient.
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Having options in argparse with a dash
...use 1'st argument to add_argument() as attribute name and metavar kwarg to set how it should look in help:
parser = argparse.ArgumentParser(description='Process some integers.')
parser.add_argument('logs_dir', metavar='logs-dir',
nargs=1,
help='Directory with...