Topic

Solution

A collection of 21 issues

npm install with Realm hang - Solution

When installing Realm via npm, some users may experience an issue where the npm installation process hangs. A problem with the analytics can cause this that Realm sends during installation. One solution to this issue is to disable the analytics during installation. To do this, you can use the command

How to transform array to dictionary in Swift

In Swift, you can use the map method to transform an array into a new array of the same size, where a provided closure has changed each element. To convert an array to a dictionary, you can use the reduce method. Here's an example of how to map an array

How to create node.js app with TradingView integration

Here is a step-by-step guide on how to create a simple Node.js application that uses the "TradingView-API" GitHub repository as a dependency: 1. Make sure you have Node.js and npm (Node Package Manager) installed on your system. You can check if you have them installed by running the

How to become a profitable trader - Step by Step

So let's put down points to follow to become a profitable trader.

How to calculate EMA in Swift

EMA gives more weight to recent price data, helping traders quickly identify trends and respond to changing market conditions.

How to calculate SMA in Swift

SMA helps traders identify trends and make buy/sell decisions by smoothing out short-term price fluctuations.

How to calculate Stochastic Oscillator in Swift

Stochastic Oscillator helps traders identify potential trend reversal points by comparing a security's closing price to its price range over a set period.

How to calculate RSI in Swift

RSI helps traders identify overbought/oversold conditions and potential trend reversals, providing valuable information for making buy/sell decisions.

Create custom error in Swift

It's good to have good error handling. Errors are different for every project. It's good to define what can happen and attach fallback to let user know what went wrong. Lets how to do it in Swift

Smooth high-frequency data array with moving averages

Recently I had to implement a way to smooth high-frequency data from the phone's accelerometer. The refresh rate was 16ms, so there is a lot of noise, to simply fix it, I decided to go with moving averages.