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Array.push() if does not exist?
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For an array of strings (but not an array of objects), you can check if an item exists by calling .indexOf() and if it doesn't then just push the item into the array:
var newItem = "NEW_ITEM_TO_ARRAY";
var array = ["OLD_ITEM_1", "OLD_I...
How can I calculate the difference between two dates?
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NSDate *date1 = [NSDate dateWithString:@"2010-01-01 00:00:00 +0000"];
NSDate *date2 = [NSDate dateWithString:@"2010-02-03 00:00:00 +0000"];
NSTimeInterval secondsBetween = [date2 timeIntervalSinceDate:date1];
int numberOfDays = secondsBetween / 86400;
NS...
How can I convert string date to NSDate?
I want to convert "2014-07-15 06:55:14.198000+00:00" this string date to NSDate in Swift.
18 Answers
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How to use Elasticsearch with MongoDB?
...Promise;
var Page = mongoose.model('Page', new mongoose.Schema({
title: String,
categories: Array
}), 'your_collection_name');
// stream query
var stream = Page.find({
}, {title: 1, _id: 0, categories: 1}).limit(1500000).skip(0).batchSize(500).stream();
elasticbulk.import(stream, {
index: ...
How to add custom validation to an AngularJS form?
...riables. You might also want to check if the fields do not equal the empty string)
If the field does not pass the validator then the field will be marked as invalid and the user will not be able to submit the form.
For more use cases and examples see: https://github.com/turinggroup/angular-validat...
Finding out the name of the original repository you cloned from in Git
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I stumbled on this question trying to get the organization/repo string from a git host like github or gitlab.
This is working for me:
git config --get remote.origin.url | sed -e 's/^git@.*:\([[:graph:]]*\).git/\1/'
It uses sed to replace the output of the git config command with ju...
Good tool to visualise database schema? [closed]
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I think this answer needs extra explanation: norbauer.com/rails-consulting/notes/…
– fguillen
Jun 14 '13 at 10:24
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How do I write JSON data to a file?
...on.dump writes to a file or file-like object, whereas json.dumps returns a string.
– phihag
Aug 13 '15 at 20:58
27
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Should I make HTML Anchors with 'name' or 'id'?
...id be the <fragment> component of the URL.
If fragid is the empty string, then the indicated part of the document is the top of the document.
If there is an element in the DOM that has an ID exactly equal to fragid, then the first such element in tree order is the indicated part of the...
Working Soap client example
...lientSAAJ {
// SAAJ - SOAP Client Testing
public static void main(String args[]) {
/*
The example below requests from the Web Service at:
http://www.webservicex.net/uszip.asmx?op=GetInfoByCity
To call other WS, change the parameters below, whic...