Paul Everitt

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Reach for the debugger first when learning about code, poking around, or fixing problems.

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Testing is a major part of Python development and pytest has become the leading testing framework. Brian Okken, author of the recent book Python Testing with pytest and host of the Test and Code podcast, helps you “level up” your pytest skill.

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Records & Tuples Are Coming: The Next Exciting JavaScript Feature

Nicolò Ribaudo

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Monorepos: Any Size Fits All

Altan Stalker

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Behind the Scenes: Discussing One of the Most Interesting TypeScript 4.9 Features

Andrey Starovoyt

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What’s New in Angular v15

Minko Gechev

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Angular 13

Aaron Frost

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How to Get Involved in Open Source: A Quickstart Guide

Tracy Lee

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Documenting the Web Platform

Florian Scholz

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Hands-Free Coding With Gaze Control in JavaScript

Charlie Gerard

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htmx: Writing JavaScript to Avoid Writing JavaScript

Carson Gross

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Documentation Playgrounds With Module Imports Support

Andrey Grandilevskiy

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Scaling Team Delivery Using Standardization

Debbie O’Brien

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TC39 Demystified

Ujjwal Sharma

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Blitz.js: The Next.js Toolkit for Rapid Iteration

Aleksandra Sikora

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Design Decisions for the Components Library

Alexey Shestakov

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The World Beyond Components

Ryan Carniato

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Nuxt 3 – More Than Vue 3 on Steroids

Alexander Lichter

YouTube

I Would Never Use an ORM

Matteo Collina

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Remote Development

Learn the ins and outs of remote development: virtualization, containers, dev containers, and cloud.

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Resolve Conflicts

Let the IDE help in the tricky business of resolving merge conflicts.

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Move Work Aside With Stash

Use git's stash to move uncommitted work aside temporarily.

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Move Work Aside With Shelve

Move uncommitted work aside when you need to work on another branch.

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Rebase Feature Branch

Get your feature branch caught up with changes on the main branch.

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Compare With Branch

See the changes in another branch's commits.

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See Unsynced Commits

See what's happening on that other branch.

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Browse Branch's Commits

Review the changes in main before bringing them to your branch.

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See VCS Changed Lines In Gutter

Quickly spot which parts of your file have changed since the last commit.

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Only Commit Some Changes

Unselect files or changed regions within files during the commit process.

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Fix Your Work with Amend Commit

Put some missing work back into your last commit, before you push.

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JavaScript Day 2022

JetBrains JavaScript Day 2022 is a free virtual event that took place on November 10, 2022.

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Use Local History to Avoid Disaster

Use the IDE's built-in history facility to recover changes when VCS can't help you.

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Undo Last Commit

Undo a commit... without misery.

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Undo Last Commit

Undo a commit...without misery.

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Undo Last Commit

Undo a commit...without misery.

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Undo Last Commit

Undo a commit...without misery.

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Edit Commit Message

Edit the wording in your last commit message, after you committed.

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Undo Last Commit

Undo a commit...without misery.

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JavaScript Day 2021

JetBrains JavaScript Day 2021 is a free virtual event that took place on October 14, 2021.

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React, TypeScript, and TDD

How to write React applications in TypeScript using TDD, highlighting features of the IDE

Part of tutorial

Debugging During Testing With NodeJS

Use the visual debugger in the IDE for smarter TDD.

Part of tutorial

Class Components With Props

Make a simple class component with a single prop, again with a TypeScript interface describing the props.

Part of tutorial

Debugging TSX With Chrome

Sometimes you need to debug in the browser. Use the IDE to remote control Chrome during debugging.

Part of tutorial

Project Cleanup

Clean out some unneeded code from the default app, tweak some configuration in the IDE, and tour a few more features.

Part of tutorial

Project Setup

Create a React+TypeScript project with the create-react-app scaffolding tool.

Part of tutorial

Testing

Test-first development with Jest in the IDE.

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Rich Events and Testing

Add event handling to a stateful class component by first writing tests during development.

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TSX and ES6

Using React and TypeScript means good JSX and ES6+ support in the IDE. This section shows some useful features from both.

Part of tutorial

Class Components With State

Make a very simple class component with local counter state, then make a type definition for that state.

Part of tutorial

Presentation and Container Components

Follow the React pattern of container/presentation components by refactoring the code and tests.

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Static Sites With Sphinx and Markdown

Sphinx is great for docs. But it's also great for information-rich websites. With MyST, you can use Markdown with Sphinx.

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Advanced Usage

MyST has a lot more to offer than just Markdown-in-Sphinx.

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Customizing Your Site

Adjust Sphinx knobs using the configuration file.

Part of tutorial

Making a New Site Design

Let's change the look on the website with custom templates.

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Linking

Sphinx turns links into structure, which turns out to be very valuable.

Part of tutorial

Linking Between Sites with Intersphinx

Rich structure and linking, between sites.

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Sphinx Setup

Make a project and virtual environment with dependencies, then make a simple Sphinx website.

Part of tutorial

Simple Markdown in Sphinx

Markdown is a simple formatting language. Let's see it in use in Sphinx.

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More Authoring

Simple Markdown stuff is cool. The cool Markdown stuff is double cool.

Part of tutorial

Documenting Code

Pages which include source code, either directly or linking to modules.

Part of tutorial

Adding a Blog

Let's change the look on the website with new templates.

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Web Fundamentals in Rider

Learn how Rider helps you with web applications to build full-stack apps with ease.

Part of tutorial

Coding Assistance

Find out how Rider helps you write better code, faster.

Part of tutorial

Debugging code

What's your code doing? Step through code with the debugger, and find out.

Part of tutorial

Navigation in web applications

How can you find what you want? Let's look at navigating around a code base.

Part of tutorial

Running code

How to run your code and see the results? Let's explore.

Part of tutorial

Refactoring

See how the IDE helps you safely refactor code, without breaking existing code.

Part of tutorial

Testing code

Get started with testing. We will use Jest as an example.

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Visual Testing with pytest

Test writing is productive and fun with PyCharm as a visual testing tool atop pytest.

Part of tutorial

Test Fixtures

Make your tests more focused by moving sample data to pytest fixtures.

Part of tutorial

Hello Test

Write a simple test and run it in PyCharm's visual test runner.

Part of tutorial

Debugging During Testing

When writing tests, use the PyCharm "visual debugger" to interactively poke around in the context of a problem.

Part of tutorial

Jump to Error

Writing code means writing broken code. Click a link in a traceback to open a file on the line of the error.

Part of tutorial

Getting Into the TDD Flow

Setup your PyCharm project to help get into the flow of Test-Driven Development (TDD).

Part of tutorial

Background on Testing

Introduce testing, pytest, and how it all fits into PyCharm, along with a scenario to work on.

Part of tutorial

Project Setup

Make a PyCharm project and virtual environment with dependencies, then configure PyCharm to use pytest.

Part of tutorial

Skipping Tests

During refactoring, use pytest's markers to ignore certain breaking tests.

Part of tutorial

Testing Exceptions

Write tests which ensure exceptions are raised when expected.

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Go

The Hitchhiker's Guide to Go

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JavaScript and TypeScript

Explore a collection of learning resources to increase your productivity and start making amazing apps faster.

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Python

Well-organized collection of learning resources for Python.

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Angular

Web framework for building mobile and desktop applications

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Build

Work effectively with build tools.

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Completion

Everything there is to know about Code Completion.

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Amazon AWS

Amazon Web Services (AWS) is a secure cloud services platform

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Coverage

Ensure that your code has good tests

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create-react-app

Create React apps with no build configuration

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Customizing the IDE

Extend the built-in functionality and change the look and feel

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Data Access

Working with data storage mechanisms

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Databases

Working with relational databases.

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Debugging

Investigate errors and trace code execution with our visual debugger.

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CSS

Mechanism for adding style to web pages

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Django

The web framework for perfectionists with deadlines

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dotMemory

The .NET Memory Profiler.

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Editing

Learning resources when writing code in the IDE's editor.

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Emmet

Shorthand system for HTML and CSS generation

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FastAPI

modern, fast (high-performance), web framework for building APIs

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GameDev

A smarter way to write code for games.

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Generics

Learn about generics in Go.

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Google Cloud

Google Cloud Platform (GCP), offered by Google, is a suite of cloud computing services

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Getting Started

If you're new to our IDEs or a technology, start here.

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dotTrace

.NET Performance Profiler.

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Git

Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.

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Go

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

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Gradle

Gradle is an open-source build automation tool focused on flexibility and performance.

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Groovy

Groovy is a powerful, optionally typed and dynamic language for the JVM.

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HTML

Standard markup language for creating web pages

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IDE

Become more productive with general IDE tips and features.

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Inspections

Analyzing source code for common mistakes and potential improvements.

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Interface

Tips and tricks for modifying the IDE interface.

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Java

Java is a general-purpose programming language intended to let application developers write once and run anywhere.

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Jest

JavaScript testing framework with a focus on simplicity

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JSON

An open standard format that uses human-readable text to store and transmit data objects.

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Kotlin

A modern programming language that makes developers happier.

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JUnit

The JUnit Platform serves as a foundation for launching testing frameworks on the JVM.

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Latest

See features that are new in the latest IDE releases.

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Kubernetes

Automated deployment, scaling, and management of containerized applications

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Maven

A tool that can be used for building and managing any Java-based project.

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Markup

Languages such as markdown and asciidoc

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MongoDB

Learn about the MongoDB document database.

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Navigation

Productive ways to move around in your project.

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Node.js

JavaScript outside of the browser, on the command-line or server-side

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Package Search

Search, evaluate, and manage dependencies in IDE easily.

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Platform

A group of technologies or features shared among more than a single specific language

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Postgres

Working with the popular open source database.

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Plugins

See tips and suggestions for working with IDE plugins

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Profiling

Analyze application performance and memory usage.

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pytest

Mature full-featured Python testing tool that helps you write better programs

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Quick-fixes

Learn how code can be updated automatically

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Python

Work productively when coding Python.

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React

A JavaScript library for building user interfaces

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Refactoring

Keep your code solid, dry, and easy to maintain.

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ReSharper

The Visual Studio Extension for .NET Developers.

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RiderFlow

Scenery tool to build and manage your 3D space.

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Rider

Fast & powerful, cross platform .NET IDE.

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Security

Securing your applications and code

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Settings

Different configurations for your projects.

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Spring

The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.

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Sphinx

Python static site generator for documentation and more

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Testing

Make sure code behaves as expected.

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Running

Run your code in our configurable, visual run tool.

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Apache Tomcat

Apache Tomcat® is a web server and servlet container for Java web applications.

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Tricks

Little IDE tricks that you might not know about.

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TypeScript

JavaScript for any scale

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User Interface

Everything about the user interface.

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Version Control

Integrated, visual version control across your project.

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Live Templates

Write common code quickly with just a few keystrokes.

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Web Development

Working with technologies in the web platform such as HTML, CSS, images, and JavaScript.

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dotCover

The .NET Unit Test Runner and Code Coverage Tool.

author

Paul Everitt

Python and Web Developer Advocate at JetBrains

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42 Tips and Tricks

Become an IDE champ with these bite-sized tips and tricks.

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Speed Up Coverage with Configuration File

Speed up your "visual coverage" with a config file and correct working directory.

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Create SQLite Database Connection By Drag-and-Drop

Drag-and-drop a .sqlite database file onto the Database tool to create a connection.

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Create a Project from GitHub

Let PyCharm do the work to clone and setup a project hosted on GitHub.

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Put New Project Under Version Control

The fastest way to register a new project directory under local version control.

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Run npm Scripts from package.json

Browse your package.json scripts and run in a dedicated tool window.

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Split Screen Without Tabs

Get your code and tests side-by-side without resorting to tabs.

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Wrap Selection With Tag

Use the keyboard to put a wrapper tag around a selection of code.

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Spot Coverage Gaps Using the Gutter

Let the IDE help you spot coverage gaps in your testing.

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Auto-Run Tests

Get into testing mode by telling PyCharm to automatically re-run tests as you type.

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Conditional Breakpoints

Speed up your debugging by stopping execution only when you want to.

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Evaluate Expression During Debugging

Select your code and execute it, in the right context.

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Run From Keyboard

Use the keyboard to select and run a run configuration.

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Adding Fields In a Constructor

Let your IDE add constructor arguments to your instance.

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Rename a File and Its References

Change your mind on a file name and the IDE makes all the changes for you.

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Rename Symbol

Change a variable name, class name, or other symbol, across the project.

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Move Block Up/Down Using Keyboard

Use the keyboard to move a line or selection up or down in your file.

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View Parameter Info

Quickly see function arguments and argument types.

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Quick Documentation

View arguments and documentation without interrupting your flow.

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Make and Extend Selection Using Keyboard

Use the keyboard to select blocks of code then extend/shrink the selection.

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Add Line After/Before

Smart-add a line, from the middle of a line, after or before the current line.

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Navigation Bar Intro

Move around files with keyboard, without wasting screen UI space

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Find In Path With Navigation Bar

Use keyboard and Navigation Bar to find files under a path.

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Create New File With Navigation Bar

Activate the Navigation Bar and create a new file somewhere in the project tree.

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Narrow Navigation Bar With Speed Search

Narrow and select from a long folder listing Navigation Bar by typing a speed search.

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Open File With Navigation Bar

Open a file somewhere in the project tree using the keyboard and Navigation Bar.

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Navigate Files With Navigation Bar

Move around your project tree and select files, from your keyboard, with the Navigation Bar.

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Activate Navigation Bar

Bring up the Navigation Bar as needed, let it disappear when finished.

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Run Single Test

Speed up testing by focusing on one test.

tip

Install and import

While typing a symbol, let PyCharm install it and generate the import.

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Generate Imports While Typing

Avoid interruption by letting PyCharm generate your imports as you type.

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Optimize Imports

Automate the organizing and cleaning up of your Python imports with Optimize Imports.

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Reformat Code

Tell PyCharm to clean up indentation and other code style in your file.

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Navigate Cursor Position Back and Forth

Easily navigate back to where you were, or where you went.

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Parsed f-string expressions

Bracket completion and syntax highlighting for f-string evaluated expressions.

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Managing Copyright Policy

Use the copyright tool to manage a copyright statement across project files.

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Navigate to Symbol

Navigate your project by code, not files.

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LiveEdit HTML and CSS

With the LiveEdit plugin, open HTML and CSS in Chrome, over HTTP, and see updates as you save.

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Navigate to File

Jump to a file without using the Project Tool and your mouse.

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One Import Per Line Preference

Tell PyCharm to put each import on a separate line when it cleans up your imports.

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Disable Tabs

Save space and stay keyboard-centric by turning off the tabs.

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Better Autocomplete Results in Angular Templates

Narrow the universe of Angular template completions to those that matter.

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Reduce Clutter by Disabling Tools

Save space by turning off various toolbars and Project Tool.