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Measuring the distance between two coordinates in PHP
...ere - http://www.codexworld.com/distance-between-two-addresses-google-maps-api-php/
$latitudeFrom = '22.574864';
$longitudeFrom = '88.437915';
$latitudeTo = '22.568662';
$longitudeTo = '88.431918';
//Calculate distance from latitude and longitude
$theta = $longitudeFrom - $longitudeTo;
$dist = si...
Does using final for variables in Java improve garbage collection?
...ave to clean up.
I only use boxed primitives when required by an existing API, or when I need nullable primatives.
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jQuery lose focus event
... read, so I found an alternate explanation on jQuery's documentation page (api.jquery.com/focusout) that I thought would be helpful to others: The focusout event is sent to an element when it, or any element inside of it, loses focus. This is distinct from the blur event in that it supports detecti...
Using Linq to get the last N elements of a collection?
...vides the LINQ method TakeLast():
https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.takelast
example:
Enumerable
.Range(1, 10)
.TakeLast(3) // <--- takes last 3 items
.ToList()
.ForEach(i => System.Console.WriteLine(i))
// outputs:
// 8
// 9
// 10
...
What is the difference between 'E', 'T', and '?' for Java generics?
...- 2nd, 3rd, 4th types
You'll see these names used throughout the Java SE API
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multiprocessing: How do I share a dict among multiple processes?
...e is a .Pool() method to the manager instance that mimics all the familiar API of the top-level multiprocessing.
from itertools import repeat
import multiprocessing as mp
import os
import pprint
def f(d: dict) -> None:
pid = os.getpid()
d[pid] = "Hi, I was written by process %d" % pid
...
How to get evaluated attributes inside a custom directive
...pe) {
}
What you are missing was $eval.
http://docs.angularjs.org/api/ng.$rootScope.Scope#$eval
Executes the expression on the current scope returning the result. Any exceptions in the expression are propagated (uncaught). This is useful when evaluating angular expressions.
...
How to add custom validation to an AngularJS form?
... method in FormController.$setValidity but that doesn't look like a public API so I rather not use it.
It's "public", no worries. Use it. That's what it's for. If it weren't meant to be used, the Angular devs would have privatized it in a closure.
To do custom validation, if you don't want to us...
When is .then(success, fail) considered an antipattern for promises?
...o read some information from database then you want to pass it to an async API then you want to manipulate the response. You may want to push the response back into the database. Handling all these workflows with your concept is doable but very hard to manage. The better solution will be then().then...
Why would a JavaScript variable start with a dollar sign? [duplicate]
... use the $ or $$ prefix in your code.
Source: https://docs.angularjs.org/api
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