I wrote a blog post of sorts, spread over several tweets, about plotting functions of a complex variable. Plot of…

Continue Reading# functions

## Stable and unstable recurrence relations

The previous post looked at computing recurrence relations. That post ends with a warning that recursive evaluations may nor may…

Continue Reading## Distracted by the hard part

Last night I was helping my daughter with calculus homework. I told her that a common mistake was to forget…

Continue Reading## Introducing “PocketML” – an Experiential Learning Platform for Data Science

After hosting thousands of offline trainings, writing blogs on a variety of topics and designing online training, we have realized…

Continue Reading## A Gentle Introduction to Generative Adversarial Network Loss Functions

A Large-Scale Study, 2018. The result is better gradient information when updating the weights of the generator and a more…

Continue Reading## A Detailed Guide to 7 Loss Functions for Machine Learning Algorithms with Python Code

We can consider this as a disadvantage of MAE. Here is the code for the update_weight function with MAE cost:…

Continue Reading## Demystify AWS Lex Bots

Demystify AWS Lex BotsAsanka NissankaBlockedUnblockFollowFollowingJul 8Source : https://www. signitysolutions. com/chatbot-development/amazon-lex“Bot” is a popular and booming term these days and for sure an…

Continue Reading## 10 Laravel Helpers That You Should Know

10 Laravel Helpers That You Should KnowDaanBlockedUnblockFollowFollowingJun 15Laravel has a lot of helper functions which provide a convenient way of working…

Continue Reading## Functional Programming in PowerShell

Functional Programming in PowerShellClean, concise PowerShell using functional abstractionsChristopher KuechBlockedUnblockFollowFollowingJun 6PowerShell isn’t a purely functional language, but PowerShell very elegantly…

Continue Reading## Should I query my Firebase database directly, or use Cloud Functions?

There’s no right or wrong answer here, so let’s weigh each option by the properties that matter the most. In…

Continue Reading## Bloom Filter : A Probabilistic Data Structure

Bloom Filter : A Probabilistic Data StructureVivek Kumar SinghBlockedUnblockFollowFollowingMay 27Bloom filter is a probabilistic data structure invented by Burton Howard Bloom…

Continue Reading## R you sure you’re using this package?

R you sure you’re using this package?How to identify which packages (and which functions) are actually being used by an R fileTom…

Continue Reading## Serverless Pitfalls: Issues With Running a Startup on AWS Lambda

Yes, with some caveats. There are certain things that a Lambda function, as an ephemeral entity, cannot handle. In particular,…

Continue Reading## Automation Testing with Pytest

isn’t it. Test functions are pretty subtle, and doing only what they intend to do. Setting up and tearing down…

Continue Reading## PHP 7.4 arrow functions

An arrow function is “just” a syntactic sugar for defining closures in PHP. Before arrow functions, functions like map, filter,…

Continue Reading## Programming Languages as Categories

Or, if we consider several different sorting algorithms implementations, do we want to consider them equal as functions?For a machine…

Continue Reading## Chaining Serverless Functions for Stateful Workflows: AWS Step Functions using Adapter Pattern

exportNote still takes 15 seconds to respond. What we need is to return the response immediately and continue executing other…

Continue Reading## Welcome to SQL 4: Aggregate Functions

Welcome to SQL 4: Aggregate FunctionsBecome more intimate with your data: use aggregate functions to explore the traits which make…

Continue Reading## Learnings from using Java in Lambda functions

Photo by Stephen Dawson on UnsplashLearnings from using Java in Lambda functionsJens EickmeyerBlockedUnblockFollowFollowingFeb 21In a previous blog post I described the…

Continue Reading## Painless Serverless

Definitely yes, it’s a non-trivial task which will appear even more complex when you start digging into details. Fortunately, you…

Continue Reading## How to use deep learning on satellite imagery — Playing with the loss function

“If the loss is well designed”? What does it actually mean?Loss functions are usually complex mathematical cost functions to be optimized…

Continue Reading## Window functions for Linux users

Select employees with highest salary in each departmentIn our table we have two departments IT and HR , Third employee has…

Continue Reading## Hash function menagerie

Here’s an oversimplified survey of cryptographic hash functions: Everyone used to use MD5, now they use some variation on SHA.…

Continue Reading## Cleaner R Code with Functional Programming

What’s a data analyst to do?The solution is to use applies (also called maps). Maps take a collection of things,…

Continue Reading## Generalizing functions with Profunctors

Generalizing functions with ProfunctorsOscar PonceBlockedUnblockFollowFollowingFeb 8Nowadays functional programming has been gaining some deserved hype, and we read here and there…

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