# return

## Where does the seven come from?

Here’s a plot of exp(6it)/2 + exp(20it)/3: Notice that the plot has 7-fold symmetry. You might expect 6-fold symmetry from…

## A wrinkle in Clojure

Bob Martin recently posted a nice pair of articles, A Little Clojure and A Little More Clojure. In the first…

## Sum of squared digits

Take a positive integer x, square each of its digits, and sum. Now do the same to the result, over…

## Inverse congruence RNG

Linear congruence random number generators have the form xn+1 = a xn + b mod p Inverse congruence generators have…

## Python tips

Python tipsEldiiar EgemberdievBlockedUnblockFollowFollowingJun 16“I do not like to repeat successes, I like to go on to other things”. Walt DisneyAt…

## Top Python Tips & Tricks

Time Saving Tips And Tricks Of PythonTop Python Tips & TricksThese Must-Know Python Tips Make The Language BeautifulFarhad MalikBlockedUnblockFollowFollowingJun 14This article presents…

## Beginning Python Programming — Part 12

Beginning Python Programming — Part 12An introduction to iterators and generatorsBob RoeblingBlockedUnblockFollowFollowingJun 10Photo by Timothy Dykes on UnsplashIn our previous piece, we covered packages…

## Ruby Return Values

I get back the same value I put in, even though I tried to change the data?Turns out, every method…

## Amazon and Gold — Efficient Frontier Analysis

Which has a higher risk?If we were to make a portfolio solely out of these 2 assets, what ratio of…

## Comparing iOS TableView and Android RecyclerView

Comparing iOS TableView and Android RecyclerViewExploring the similarities and differences when creating lists on each platformElyeBlockedUnblockFollowFollowingMay 25When it comes down to…

## Intro to SwiftUI — Part 1: The language features behind it

Let’s take a look. Opaque Result TypesImagine we had a drawing library, which provided several primitive drawable types, such as lines…

## Optimizing Portfolios with Modern Portfolio Theory Using Python

Optimizing Portfolios with Modern Portfolio Theory Using PythonMPT and some basic Python implementations for tracking risk, performance, and optimizing your portfolio.…

## Write a monad, in Java, seriously?

At least not the basics!The simplest way of explaining a Monad is to tell you that it is sort of…

## Python and LRU Cache

Python and LRU CacheJose Alberto Torres AgüeraBlockedUnblockFollowFollowingMay 26Since version 3. 2 python we can use a decorator namedfunctools. lru_cache() , this function…

## Do Stocks Provide a Positive Expected Return?

The classic answer is that when we buy a share of the company, we are providing financial capital to help…

## Laravel — Extending Query Builder

Laravel — Extending Query BuilderDennis SminkBlockedUnblockFollowFollowingMay 24Sometimes the findOrFail() (or any other default) method is not enough and you need to have a…

## Counting at compile time

A genuine type-level computation. Our Nat are now ordered. (Lt, Gt, Gte can all be defined similarly or derived from…

## Tail recursion in Kotlin — with bytecode!

Tail recursion in Kotlin — with bytecode!Stephen LeighBlockedUnblockFollowFollowingMay 7Kotlin Island, St Petersburg. сергей володин via Google Maps. Every article on Kotlin starts by…

## Area and volume of Menger sponge

The Menger sponge is the fractal you get by starting with a cube, dividing each face into a 3 by…

Swift: Writing simple & composable data queries using Reader MonadBalraj SinghBlockedUnblockFollowFollowingMay 5Composable QueryRecently I was working on a sample project link.…

## Spring: Advanced search & filtering

Photo by Glen Noble on UnsplashSpring: Advanced search & filteringMilan BrankovicBlockedUnblockFollowFollowingMay 2Implementing a data access layer of an application has been…

## The Spaceship Operator

Let’s take a look below:Using the <=> operator and #group_by, we can transform our original array into a hash containing…

## An Intro to Javascript for Experienced Programmers Who Could Use a Strong Dose of Fundamentals

Use them in the body, of course. What do you think this is?(diameter) => diameter * 3. 14159265It’s a function…

## Explained: Futures in Rust for Web Development

+ ⛑If a crate returns a Future, you can use . and_then() to work with the result once the Future is ready.…