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Haskell Type vs Data Constructor
...of data. You can also sometimes make an "enumeration", which has a (small) set of fixed possible values (e.g., your Red, Green and Blue).
In Haskell, you can combine both of these at the same time. Weird, but true!
Why is it called "algebraic"? Well, the nerds talk about "sum types" and "product t...
Using Git how do I find changes between local and remote
...You can then get the git log of all commits that master needs to be a superset of origin/master by doing git log master..origin/master. Invert those two to get the opposite.
A friend of mine, David Dollar, has created a couple of git shell scripts to simulate hg incoming/outgoing. You can find them...
ipad safari: disable scrolling, and bounce effect?
...at scrollable divs in your dom won't scroll anymore. Depending on your dom setup, there are ways around this.
– huesforalice
Mar 4 '14 at 14:31
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How does Zalgo text work?
I've seen weirdly formatted text called Zalgo like below written on various forums. It's kind of annoying to look at, but it really bothers me because it undermines my notion of what a character is supposed to be. My understanding is that a character is supposed to move horizontally across a line an...
Checking for empty arrays: count vs empty
...ning for count though :
count() may return 0 for a variable that isn't set, but it may also return 0 for a variable that has been initialized with an empty array. Use isset() to test if a variable is set.
In other words, if the variable is not set, you will get a notice from PHP saying it's un...
jQuery and AJAX response header
... As of jQuery >= 1.5, it should be called jqXHR, which is a superset of an XHR object.
– Johan
Oct 1 '14 at 8:13
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git add only modified changes and ignore untracked files
...r me. Not that it will affect the end result in this case, but for sake of setting an example here's the sed command I used: sed 's/.*modified: *//'. Verified on Mac OS X 10.9.5.
– Samuel
Mar 30 '15 at 22:09
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Filter rows which contain a certain string
...provided the original data, I will add a toy example using the mtcars data set. Imagine you are only interested in cars produced by Mazda or Toyota.
mtcars$type <- rownames(mtcars)
dplyr::filter(mtcars, grepl('Toyota|Mazda', type))
mpg cyl disp hp drat wt qsec vs am gear carb ...
Change how fast “title” attribute's tooltip appears
...'title' attribute.
You can modify the selector to affect only a class, and set custom speed or effect:
$('.yourClass').tooltip({show: {effect:"none", delay:0}});
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What does “./” (dot slash) refer to in terms of an HTML file path location?
...In other circumstance they could mean different things. eg. if a "path" is set in an OS abc.exe could be a file and ./abc.exe might not.
– Coomie
Mar 30 '17 at 4:46
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