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Removing rounded corners from a element in Chrome/Webkit
The user-agent stylesheet for Chrome gives a border-radius of 5pm>x m> to all the corners of a <select> element. I've tried getting rid of this by applying a radius of 0pm>x m> through my em>x m>ternal stylesheet, as well inline on the element itself; I've tried both border-radius:0pm>x m> and -webkit-borde...
How to programmatically get iOS status bar height
...me, battery, and network connection) at the top of the iPhone/iPad is 20 pim>x m>els for non-retina screens and 40 pim>x m>els for retina screens, but to future proof my app I would like to be able to determine this without hard coding values. Is it possible to figure out the height of the status bar programm...
How to map with indem>x m> in Ruby?
....8.7 or 1.9, you can use the fact that iterator methods like each_with_indem>x m>, when called without a block, return an Enumerator object, which you can call Enumerable methods like map on. So you can do:
arr.each_with_indem>x m>.map { |m>x m>,i| [m>x m>, i+2] }
In 1.8.6 you can do:
require 'enumerator'
arr.enum_...
How to center align the cells of a UICollectionView?
... layout:(UICollectionViewLayout*)collectionViewLayout insetForSectionAtIndem>x m>:(NSInteger)section {
return UIEdgeInsetsMake(0, 100, 0, 0);
}
You will have to play around with that number to figure out how to force the content into a single line. The first 0, is the top edge argument, you could a...
Is the pImpl idiom really used in practice?
I am reading the book "Em>x m>ceptional C++" by Herb Sutter, and in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementatio...
What is the difference between supervised learning and unsupervised learning? [closed]
...tween supervised and unsupervised learning?
Can you provide a basic, easy em>x m>planation with an em>x m>ample?
29 Answers
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How do I send a POST request as a JSON?
...
If your server is em>x m>pecting the POST request to be json, then you would need to add a header, and also serialize the data for your request...
Python 2.m>x m>
import json
import urllib2
data = {
'ids': [12, 3, 4, 5, 6]
}
req = urllib2.Req...
Set cookie and get cookie with JavaScript [duplicate]
...en I choose a file, it should be saved to a cookie for about a week. The nem>x m>t time you open your HTML file, it should be the previous file you've chosen.
...
Mac OS m>X m> Terminal: Map option+delete to “backward delete word”
... to map it from Preferences -> Settings -> Keyboard, but the "key" combo bom>x m> has only "forward delete" but no "delete". My keyboard on the other hand has only "delete" and no "forward delete"!
...
Em>x m>tract a dplyr tbl column as a vector
...umn a bit nicer (easier to type, and easier to read):
pull <- function(m>x m>,y) {m>x m>[,if(is.name(substitute(y))) deparse(substitute(y)) else y, drop = FALSE][[1]]}
This lets you do either of these:
iris2 %>% pull('Species')
iris2 %>% pull(Species)
iris2 %>% pull(5)
Resulting in...
[1] ...