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Cartesian product of multiple arrays in JavaScript
... flatMap to the language!
Example
This is the exact example from your question:
let output = cartesian([1,2],[10,20],[100,200,300]);
Output
This is the output of that command:
[ [ 1, 10, 100 ],
[ 1, 10, 200 ],
[ 1, 10, 300 ],
[ 1, 20, 100 ],
[ 1, 20, 200 ],
[ 1, 20, 300 ],
[ 2, 10, 100 ...
How to open a file using the open with statement
... don't gain anything by putting an explicit return at the end of your function. You can use return to exit early, but you had it at the end, and the function will exit without it. (Of course with functions that return a value, you use the return to specify the value to return.)
Using multiple ope...
How to Rotate a UIImage 90 degrees?
I have a UIImage that is UIImageOrientationUp (portrait) that I would like to rotate counter-clockwise by 90 degrees (to landscape). I don't want to use a CGAffineTransform . I want the pixels of the UIImage to actually shift position. I am using a block of code (shown below) originally inten...
How to see query history in SQL Server Management Studio
...y stored in some log files? If yes, can you tell me how to find their location? If not, can you give me any advice on how to see it?
...
Client to send SOAP request and receive response
...other way to do the same
using System.Xml;
using System.Net;
using System.IO;
public static void CallWebService()
{
var _url = "http://xxxxxxxxx/Service1.asmx";
var _action = "http://xxxxxxxx/Service1.asmx?op=HelloWorld";
XmlDocument soapEnvelopeXml = CreateSoapEnvelope();
HttpWeb...
How to solve javax.net.ssl.SSLHandshakeException Error?
...web-service and i bind to UI. And also I integrated PayPal with my application for make Express checkout when I make a call for payment I'm facing this error. I use servlet for back-end process. Can any one say how to fix this issue?
...
How can I use Google's Roboto font on a website?
...rovide an @import for LESS files too! However, testing w/o internet connection OR Google connection issues (e.g.: China) = NO Fonts... I also noticed that there is no Roboto Black (Roboto Bk) font-family: they actually only use 3 font families (Roboto, Roboto Condensed and Roboto Slab) all other Rob...
Open files in 'rt' and 'wt' modes
...pen for writing, truncating the file first
'x' open for exclusive creation, failing if the file already exists
'a' open for writing, appending to the end of the file if it exists
'b' binary mode
't' text mode (default)
'+' open a disk file for updating (reading and writing)
'U' ...
dealloc in Swift
...up at the end of a view controller's life, namely to remove an NSNotificationCenter notification. Implementing dealloc results in a Swift compiler error:
...
How to Get the Title of a HTML Page Displayed in UIWebView?
...rty, just do it like this,
func webView(_ wv: WKWebView, didFinish navigation: WKNavigation!) {
title = wv.title
}
I don't think UIWebView is suitable right now.
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