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How can I get current location from user in iOS
...ation];
[locationManager startUpdatingLocation];
You also have to add a string for the NSLocationAlwaysUsageDescription or NSLocationWhenInUseUsageDescription keys to the app's Info.plist. Otherwise calls to startUpdatingLocation will be ignored and your delegate will not receive any callback.
A...
How to hide “Showing 1 of N Entries” with the dataTables.js library
... This is a better answer than mine, if all you want to do is hide it. If you need to style it, its nice that Allan has wrapped each element in it's own class so you can get at it.
– Daiku
Oct 18 '13 at 11:54
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JavaScript OR (||) variable assignment explanation
...se when used in boolean context, and they are 0, null, undefined, an empty string, NaN and of course false.
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How can you sort an array without mutating the original array?
...n sort arrCopy without changing arr.
arrCopy.sort((obj1, obj2) => obj1.id > obj2.id)
Please note: this can be slow for very large arrays.
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Why can't you modify the data returned by a Mongoose Query (ex: findById)
...el instance, you can call lean() on the query chain like so:
Survey.findById(req.params.id).lean().exec(function(err, data){
var len = data.survey_questions.length;
var counter = 0;
_.each(data.survey_questions, function(sq){
Question.findById(sq.question, function(err, q){
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How can I exclude all “permission denied” messages from “find”?
...e redirecting ALL errors to dev/null 2) You're filtering an explicit error string!! Depending on these is famously brittle and what if your file was in a directory named 'permission denied'? Oops!
– Gunchars
Nov 10 '14 at 6:03
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Remove redundant paths from $PATH variable
... your command sets the PATH to - $PATH(the current value of PATH) + the string /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games. If you want to have just the String, remove $PATH + the semicolon (:) from your command. It doesn't matter if you use echo or edit the file...
Character Limit in HTML
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There are 2 main solutions:
The pure HTML one:
<input type="text" id="Textbox" name="Textbox" maxlength="10" />
The JavaScript one (attach it to a onKey Event):
function limitText(limitField, limitNum) {
if (limitField.value.length > limitNum) {
limitField.value = limit...
Can we instantiate an abstract class?
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}
}
Poly.java:
class Poly extends My {
public static void main(String a[]) {
My m = new My() {};
m.myMethod();
}
}
Now, compile both your source files:
javac My.java Poly.java
Now in the directory where you compiled the source code, you will see the following cla...
XSLT equivalent for JSON [closed]
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This code uses string.eval() ... :-(
– dreftymac
Oct 17 '12 at 1:10
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