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How can I get nth element from a list?
...hat the standard library contains some such partial functions (head, last, etc.). For safety, use an option type Maybe, or the Safe module.
Example of a reasonably efficient, robust total (for indices ≥ 0) indexing function:
data Maybe a = Nothing | Just a
lookup :: Int -> [a] -> Maybe a
...
What is the difference between “def” and “val” to define a function
... x % 2 == 0)" function (not any other statement before i.e. println("val") etc. Invoking event2 with different parameters will actually invoke "(x => x % 2 == 0)" code, as only that is saved with event2.
scala> even2(2)
res7: Boolean = true
scala> even2(3)
res8: Boolean = false
Just to ...
jQuery: keyPress Backspace won't fire?
...is; setTimeout( function(){
/** Code that processes backspace, etc. **/
}, 100 );
} );
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Should the .gradle folder be added to version control?
...radle folder will contain generic information such as dependency mappings, etc and uploaded it on version control. I then tried setting up a new machine with a different OS flavor and Java version using code from the version control including the .gradle folder and ran into errors. Turned out that t...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...e calls to an Attribute("style", "display:none").Attribute("class", "foo") etc)
If C# had a less verbose syntax for dictionary literals, then I wouldn't have bothered including this syntax in the grid component :)
I also want to point out that the use of this in MvcContrib is completely optional -...
Contributing to project on github, how to “rebase my pull request on top of master”
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You only show a fetch on the upstream repo. That doesn't actually update any of your local branches. It only updates your knowledge of upstream. You'd need to ensure upstream/master is fully merged into your master, like with a git pull, prio...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
...Element is an element which shows the keyboard (input type=text, textarea, etc).
The following code fudges things for our purposes (although not generally correct).
function getViewport() {
if (window.visualViewport && /Android/.test(navigator.userAgent)) {
// https://developer...
What is the template binding vs binding?
...perties.
It has much less functionality (no StringFormat, Delay, IsAsync, etc.. see the properties of Binding vs TemplateBindingExtention).
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Loop through an array of strings in Bash?
... glob it'll be expanded, if it contains a tab it'll be changed to a space, etc.
– Charles Duffy
Jul 9 '16 at 15:02
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Annotating text on individual facet in ggplot2
...for every row in your original data frame (the one with the points, lines, etc.). Note that that I pass a separate data frame to geom_text with only one row.
– joran
Feb 6 '13 at 22:00
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