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How to do Base64 encoding in node.js?
...wered May 31 '11 at 2:46
onteria_onteria_
57.1k66 gold badges6363 silver badges6060 bronze badges
...
Test for existence of nested JavaScript object key
...
Update
Looks like lodash has added _.get for all your nested property getting needs.
_.get(countries, 'greece.sparta.playwright')
https://lodash.com/docs#get
Previous answer
lodash users may enjoy lodash.contrib which has a couple methods that mitigate ...
UIRefreshControl without UITableViewController
...wController, just add the refresh control beneath the table view like so: [_tableView insertSubview:_refreshControl atIndex:0];. Tested with both iOS 7 and 8 ;)
– ptitvinou
Oct 24 '14 at 21:32
...
What are the differences between json and simplejson Python modules?
...plejson
from timeit import repeat
NUMBER = 100000
REPEAT = 10
def compare_json_and_simplejson(data):
"""Compare json and simplejson - dumps and loads"""
compare_json_and_simplejson.data = data
compare_json_and_simplejson.dump = json.dumps(data)
assert json.dumps(data) == simplejson...
What's Mongoose error Cast to ObjectId failed for value XXX at path “_id”?
...ng a request to /customers/41224d776a326fb40f000001 and a document with _id 41224d776a326fb40f000001 does not exist, doc is null and I'm returning a 404 :
...
Permutations in JavaScript?
...lementation to the following benchmark.js test suite:
function permute_SiGanteng(input) {
var permArr = [],
usedChars = [];
function permute(input) {
var i, ch;
for (i = 0; i < input.length; i++) {
ch = input.splice(i, 1)[0];
usedChars.push(ch);
if...
Output to the same line overwriting previous output?
...
Here's code for Python 3.x:
print(os.path.getsize(file_name)/1024+'KB / '+size+' KB downloaded!', end='\r')
The end= keyword is what does the work here -- by default, print() ends in a newline (\n) character, but this can be replaced with a different string. In this case, endi...
Can I zip more than two lists together in Scala?
...neLists[A](ss:List[A]*) = {
val sa = ss.reverse;
(sa.head.map(List(_)) /: sa.tail)(_.zip(_).map(p=>p._2 :: p._1))
}
For example:
combineLists(List(1, 2, 3), List(10,20), List(100, 200, 300))
// => List[List[Int]] = List(List(1, 10, 100), List(2, 20, 200))
The answer is truncated t...
Calculate distance between 2 GPS coordinates
...y solution:
#include <math.h>
#include "haversine.h"
#define d2r (M_PI / 180.0)
//calculate haversine distance for linear distance
double haversine_km(double lat1, double long1, double lat2, double long2)
{
double dlong = (long2 - long1) * d2r;
double dlat = (lat2 - lat1) * d2r;
...
Cannot open include file 'afxres.h' in VC2010 Express
...nks, then i get the error: error RC2104: undefined keyword or key name: IDC_STATIC
– clamp
Aug 25 '10 at 13:16
@clamp:...