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How to add /usr/local/bin in $PATH on Mac
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One note: you don't need quotation marks here because it's on the right hand side of an assignment, but in general, and especially on Macs with their tradition of spacy pathnames, expansions like $PATH should be double-quoted as "$PATH".
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Remove duplicated rows using dplyr
...mple(0:1, 10, replace = T),
z = 1:10
)
One approach would be to group, and then only keep the first row:
df %>% group_by(x, y) %>% filter(row_number(z) == 1)
## Source: local data frame [3 x 3]
## Groups: x, y
##
## x y z
## 1 0 1 1
## 2 1 0 2
## 3 1 1 4
(In dplyr 0.2 you won't need...
Javascript library for human-friendly relative date formatting [closed]
...braries available, but it is trivial to implement it yourself. Just use a handful of conditions.
Assume date is an instantiated Date object for the time you want to make a comparison against.
// Make a fuzzy time
var delta = Math.round((+new Date - date) / 1000);
var minute = 60,
hour = minut...
Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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@Matt My comment was aimed at the comment and the note in the answer stating parseInt was the wrong way of doing this (then going ahead and using parseFloat, which doesn't really seem different). Interestingly isFinite will get you the result you're after in almost a...
Where's my JSON data in my incoming Django request?
...cess it further.
Here is an example using JavaScript, jQuery, jquery-json and Django.
JavaScript:
var myEvent = {id: calEvent.id, start: calEvent.start, end: calEvent.end,
allDay: calEvent.allDay };
$.ajax({
url: '/event/save-json/',
type: 'POST',
contentType: 'applicat...
How do I define global variables in CoffeeScript?
...dow
This means you need to do something like window.foo = 'baz';, which handles the browser case, since there the global object is the window.
Node.js
In Node.js there's no window object, instead there's the exports object that gets passed into the wrapper that wraps the Node.js module (See: htt...
Postgresql GROUP_CONCAT equivalent?
I have a table and I'd like to pull one row per id with field values concatenated.
7 Answers
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Select all elements with “data-” attribute without using jQuery
...le (though not an array). Looping with for in will iterate over the length and item properties. Instead, use for of to iterate over properties designed to be iterated over
– Solvitieg
Mar 21 '19 at 4:30
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How can an html element fill out 100% of the remaining screen height, using css only?
I have a header element and a content element:
17 Answers
17
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How do I get the APK of an installed app without root access?
I'm trying to extract the APK file of an installed Android app WITHOUT root permissions.
11 Answers
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