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Plotting two variables as lines using ggplot2 on the same graph
...equires a simple ggplot() call to produce the plot you wanted with all the extras (one reason why higher-level plotting packages like lattice and ggplot2 are so useful):
require(ggplot2)
p <- ggplot(stacked, aes(Dates, value, colour = variable))
p + geom_line()
I'll leave it to you to tidy up ...
List or IList [closed]
...interfaces really shine. Say I have a function that returns IEnumerable<string>, inside the function I may use a List<string> for an internal backing store to generate my collection, but I only want callers to enumerate it's contents, not add or remove. Accepting an interface as a parame...
unit testing of private functions with mocha and node.js
...
I have added an extra function that I name Internal() and return all private functions from there. This Internal() function is then exported. Example:
function Internal () {
return { Private_Function1, Private_Function2, Private_Function2...
Best way to create custom config options for my Rails app?
...th_indifferent_access" allows you to access the values in the hash using a string key or with an equivalent symbol key.
eg.
APP_CONFIG['audiocast_uri_format'] => 'http://blablalba/blabbitybla/yadda'
APP_CONFIG[:audiocast_uri_format] => 'http://blablalba/blabbitybla/yadda'
Purely a convenie...
iOS 7: UITableView shows under status bar
...eck "Shows Navigation Bar" in the inspector. This solves the issue with no extra tweaking needed, and it also preserves your UITableViewController's scene in the storyboard.
Using AutoLayout and embedding the UITableView into another view (I believe this is how Apple wants us to do this):
Create an ...
Advantages of using display:inline-block vs float:left in CSS
... using it for a grid, or don't want this white space, you will have to add extra styling/HTML hacks to account for this. See: css-tricks.com/fighting-the-space-between-inline-block-elements/…
– kretzm
Sep 10 '14 at 15:06
...
(Mac) -bash: __git_ps1: command not found
...rompt will change to "os ". To change "os" to something else, modify "os" string in export PS1 line.
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
...ey are used to define at which screen size that class should apply:
xs = extra small screens (mobile phones)
sm = small screens (tablets)
md = medium screens (some desktops)
lg = large screens (remaining desktops)
Read the "Grid
Options"
chapter from the official Bootstrap documentation f...
Why Java needs Serializable interface?
...e annoyance when dealing with pure java, like some flaws in collection and string processing in standard library. Happily there's Kryo, but it is dependency and one needs to find it first. This is how built-in serialization should have been done.
– dmitry
Aug 7...
Convert two lists into a dictionary
...
dict([(k, v) for k, v in zip(keys, values)])
In the first two cases, an extra layer of non-operative (thus unnecessary) computation is placed over the zip iterable, and in the case of the list comprehension, an extra list is unnecessarily created. I would expect all of them to be less performant,...