Herman

23 Flips | 3 Magazines | 4 Likes | 8 Followers | @Herman69ko | Keep up with Herman on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Herman”

Py-Spy: A sampling profiler for Python programs.

README.md<p>Py-Spy is a sampling profiler for Python programs. It lets you visualize what your Python program is spending time on without restarting the …

Python Programming

Add GUIs to your programs and scripts easily with PySimpleGUI

Few people run Python programs by double-clicking the .py file as if it were a .exe file. When a typical user (non-programmer types) double-clicks an …

Python Programming

Stepping up your Python Printf Debugging Game

Debuggers come in all shapes and sizes, offering a variety of options to track down your software problems and inspecting internal states at any …

A simple Calculator app using React and Node

Year 2017 came and it did so with many challenges for me. One of such challenge was writing a web based application (I choose not to mention) using …

Asynchronous Scraping with Python

Previously, I've written about the basics of scraping and how you can find API calls in order to fetch data that isn't easily downloadable.<p>For …

Monitoring MongoDB Usage in Your Java App

The foundation of our monitoring solution has been the promise to track down performance problems to the actual root cause. We are glad to announce …

Eclipse Tutorial for Beginners

This is an article about the Eclipse Integrated Development Environment (IDE) for Java Developers, more specifically, the Mars release of the Eclipse …

Novice Enum Use In Java

An enum in Java is a limited set of constant values. For example:Each variable of type Direction can take on only one of those four values. (Or null, …

Word Count Program With MapReduce and Java

In Hadoop, MapReduce is a computation that decomposes large manipulation jobs into individual tasks that can be executed in parallel cross a cluster …

How to Create Your First JavaScript Chart

In one form or the other, data visualization seems to come up quite often in the work life of a designer or a front-end developer. Be it an analytics …

How to learn JavaScript

Since I’ve mentioned that I recently learned JavaScript, people have asked me how and what I recommend. So here’s my experience and best advice for …

JavaScript

JavaFX Scene Builder Tutorial

This is an article about the JavaFX Scene Builder. You will get a short introduction about the installation and usage of the software. The article …

Diagnosing Common Database Performance Hotspots in our Java Code

When I help developers or architects analyze and optimize the performance of their Java application it is not about tweaking individual methods to …

Diagnosing Common Database Performance Hotspots in our Java Code

When I help developers or architects analyze and optimize the performance of their Java application it is not about tweaking individual methods to …

Databases

Leveling Up Your JavaScript

JavaScript is one of those languages that can be easy to pick up, it can be infinitely more difficult to master. However, a lot of articles seem to …

A recommendation for FPers who want to learn JavaScript. : purescript

The book I'd like to recommend (it's free to read online): JavaScript Allongé, the "Six" Edition<p>A big problem I've personally run into as a Haskeller …

How To: Create an Encryption Program with Python

Hello, fellow grey hat hackers and aspiring coders. I'm back again with another python tutorial. Just that this one is gonna be a lot cooler ;-). We …

Writing a Fuzzy Receipt Parser in Python

Last weekend, the Python Hackathon Düsseldorf took place at trivago’s office. Although we were only five people we had a lot of fun. I took the …

Python's objects and classes — a visual guide

Python developers love to say that “everything is an object.” And indeed, when I teach Python classes, I say this several times, and many people nod …