Programming Languages: jump in and start typing

Python

Code: python

Python is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/python.png and icon /images/lang-icons/python.png.

JavaScript

Code: javascript

JavaScript is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/javascript.png and icon /images/lang-icons/javascript.png.

TypeScript

Code: typescript

TypeScript is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/typescript.png and icon /images/lang-icons/typescript.png.

Java

Code: java

Java is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/java.png and icon /images/lang-icons/java.png.

C#

Code: csharp

C# is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/csharp.png and icon /images/lang-icons/csharp.png.

C++

Code: cpp

C++ is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/cpp.png and icon /images/lang-icons/cpp.png.

C

Code: c

C is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/c.png and icon /images/lang-icons/c.png.

Go

Code: go

Go is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/go.png and icon /images/lang-icons/go.png.

Rust

Code: rust

Rust is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/rust.png and icon /images/lang-icons/rust.png.

Ruby

Code: ruby

Ruby is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/ruby.png and icon /images/lang-icons/ruby.png.

Visual Basic .NET

Code: vbnet

Visual Basic .NET is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/vbnet.png and icon /images/lang-icons/vbnet.png.

Delphi / Object Pascal

Code: delphi

Delphi / Object Pascal is a general-purpose language for product work, services, and day-to-day automation. Practicing it sharpens method signatures, imports, and steady punctuation.

• Functions, classes, and modules
• Braces, operators, and punctuation
• Control flow and error handling

Best for: Everyday backend, app logic, and scripting.

Image placeholders: /images/lang-samples/delphi.png and icon /images/lang-icons/delphi.png.

HTML

Code: html

HTML keeps you close to the browser surface. Short sessions here focus on nesting, attributes, and mixed markup/code blocks.

• Tags and attributes
• Nesting and indentation
• Inline expressions or styles

Best for: Front-end structure and component UIs.

Image placeholders: /images/lang-samples/html.png and icon /images/lang-icons/html.png.

CSS

Code: css

CSS keeps you close to the browser surface. Short sessions here focus on nesting, attributes, and mixed markup/code blocks.

• Tags and attributes
• Nesting and indentation
• Inline expressions or styles

Best for: Front-end structure and component UIs.

Image placeholders: /images/lang-samples/css.png and icon /images/lang-icons/css.png.

SCSS

Code: scss

SCSS keeps you close to the browser surface. Short sessions here focus on nesting, attributes, and mixed markup/code blocks.

• Tags and attributes
• Nesting and indentation
• Inline expressions or styles

Best for: Front-end structure and component UIs.

Image placeholders: /images/lang-samples/scss.png and icon /images/lang-icons/scss.png.

SASS

Code: sass

SASS keeps you close to the browser surface. Short sessions here focus on nesting, attributes, and mixed markup/code blocks.

• Tags and attributes
• Nesting and indentation
• Inline expressions or styles

Best for: Front-end structure and component UIs.

Image placeholders: /images/lang-samples/sass.png and icon /images/lang-icons/sass.png.

JSX

Code: jsx

JSX keeps you close to the browser surface. Short sessions here focus on nesting, attributes, and mixed markup/code blocks.

• Tags and attributes
• Nesting and indentation
• Inline expressions or styles

Best for: Front-end structure and component UIs.

Image placeholders: /images/lang-samples/jsx.png and icon /images/lang-icons/jsx.png.

TSX

Code: tsx

TSX keeps you close to the browser surface. Short sessions here focus on nesting, attributes, and mixed markup/code blocks.

• Tags and attributes
• Nesting and indentation
• Inline expressions or styles

Best for: Front-end structure and component UIs.

Image placeholders: /images/lang-samples/tsx.png and icon /images/lang-icons/tsx.png.

PHP

Code: php

PHP powers APIs and services. Typing drills reinforce null/option types, async patterns, and concise controllers.

• Imports and packages
• Async/await or coroutines
• Class and method structure

Best for: Service backends and integration work.

Image placeholders: /images/lang-samples/php.png and icon /images/lang-icons/php.png.

Kotlin

Code: kotlin

Kotlin powers APIs and services. Typing drills reinforce null/option types, async patterns, and concise controllers.

• Imports and packages
• Async/await or coroutines
• Class and method structure

Best for: Service backends and integration work.

Image placeholders: /images/lang-samples/kotlin.png and icon /images/lang-icons/kotlin.png.

Scala

Code: scala

Scala powers APIs and services. Typing drills reinforce null/option types, async patterns, and concise controllers.

• Imports and packages
• Async/await or coroutines
• Class and method structure

Best for: Service backends and integration work.

Image placeholders: /images/lang-samples/scala.png and icon /images/lang-icons/scala.png.

Groovy

Code: groovy

Groovy powers APIs and services. Typing drills reinforce null/option types, async patterns, and concise controllers.

• Imports and packages
• Async/await or coroutines
• Class and method structure

Best for: Service backends and integration work.

Image placeholders: /images/lang-samples/groovy.png and icon /images/lang-icons/groovy.png.

Dart

Code: dart

Dart powers APIs and services. Typing drills reinforce null/option types, async patterns, and concise controllers.

• Imports and packages
• Async/await or coroutines
• Class and method structure

Best for: Service backends and integration work.

Image placeholders: /images/lang-samples/dart.png and icon /images/lang-icons/dart.png.

Elixir

Code: elixir

Elixir powers APIs and services. Typing drills reinforce null/option types, async patterns, and concise controllers.

• Imports and packages
• Async/await or coroutines
• Class and method structure

Best for: Service backends and integration work.

Image placeholders: /images/lang-samples/elixir.png and icon /images/lang-icons/elixir.png.

Swift

Code: swift

Swift is built for apps on phones and tablets. You practice optionals, lifecycle methods, and UI callbacks without stumbling on symbols.

• Optionals and enums
• Callbacks and delegates
• UI layout snippets

Best for: Mobile app features and SDK work.

Image placeholders: /images/lang-samples/swift.png and icon /images/lang-icons/swift.png.

Objective-C

Code: objectivec

Objective-C is built for apps on phones and tablets. You practice optionals, lifecycle methods, and UI callbacks without stumbling on symbols.

• Optionals and enums
• Callbacks and delegates
• UI layout snippets

Best for: Mobile app features and SDK work.

Image placeholders: /images/lang-samples/objectivec.png and icon /images/lang-icons/objectivec.png.

ASM x86

Code: asm-x86

ASM x86 sits close to the metal. Training here builds muscle memory for pointers, lifetimes, and explicit memory management.

• Pointers or references
• Structs and low-level ops
• Headers/imports and macros

Best for: Systems code, performance paths, and tooling.

Image placeholders: /images/lang-samples/asm-x86.png and icon /images/lang-icons/asm-x86.png.

ASM ARM

Code: asm-arm

ASM ARM sits close to the metal. Training here builds muscle memory for pointers, lifetimes, and explicit memory management.

• Pointers or references
• Structs and low-level ops
• Headers/imports and macros

Best for: Systems code, performance paths, and tooling.

Image placeholders: /images/lang-samples/asm-arm.png and icon /images/lang-icons/asm-arm.png.

Zig

Code: zig

Zig sits close to the metal. Training here builds muscle memory for pointers, lifetimes, and explicit memory management.

• Pointers or references
• Structs and low-level ops
• Headers/imports and macros

Best for: Systems code, performance paths, and tooling.

Image placeholders: /images/lang-samples/zig.png and icon /images/lang-icons/zig.png.

Ada

Code: ada

Ada sits close to the metal. Training here builds muscle memory for pointers, lifetimes, and explicit memory management.

• Pointers or references
• Structs and low-level ops
• Headers/imports and macros

Best for: Systems code, performance paths, and tooling.

Image placeholders: /images/lang-samples/ada.png and icon /images/lang-icons/ada.png.

R

Code: r

R is common in data notebooks and numerics. Sessions emphasize vectors, math operators, and clean function calls.

• Array and matrix notation
• Pipelines or chaining
• Plotting and math helpers

Best for: Data analysis, notebooks, and experiments.

Image placeholders: /images/lang-samples/r.png and icon /images/lang-icons/r.png.

MATLAB

Code: matlab

MATLAB is common in data notebooks and numerics. Sessions emphasize vectors, math operators, and clean function calls.

• Array and matrix notation
• Pipelines or chaining
• Plotting and math helpers

Best for: Data analysis, notebooks, and experiments.

Image placeholders: /images/lang-samples/matlab.png and icon /images/lang-icons/matlab.png.

Julia

Code: julia

Julia is common in data notebooks and numerics. Sessions emphasize vectors, math operators, and clean function calls.

• Array and matrix notation
• Pipelines or chaining
• Plotting and math helpers

Best for: Data analysis, notebooks, and experiments.

Image placeholders: /images/lang-samples/julia.png and icon /images/lang-icons/julia.png.

Octave

Code: octave

Octave is common in data notebooks and numerics. Sessions emphasize vectors, math operators, and clean function calls.

• Array and matrix notation
• Pipelines or chaining
• Plotting and math helpers

Best for: Data analysis, notebooks, and experiments.

Image placeholders: /images/lang-samples/octave.png and icon /images/lang-icons/octave.png.

SQL

Code: sql

SQL drills SELECT rhythm, joins, and window clauses. Practicing removes hesitations around commas and parentheses.

• SELECT / WHERE / JOIN
• Aggregates and window functions
• CTEs and subqueries

Best for: Reports, migrations, and database troubleshooting.

Image placeholders: /images/lang-samples/sql.png and icon /images/lang-icons/sql.png.

SQL ANSI

Code: sql-ansi

SQL ANSI drills SELECT rhythm, joins, and window clauses. Practicing removes hesitations around commas and parentheses.

• SELECT / WHERE / JOIN
• Aggregates and window functions
• CTEs and subqueries

Best for: Reports, migrations, and database troubleshooting.

Image placeholders: /images/lang-samples/sql-ansi.png and icon /images/lang-icons/sql-ansi.png.

SQL PostgreSQL

Code: sql-postgresql

SQL PostgreSQL drills SELECT rhythm, joins, and window clauses. Practicing removes hesitations around commas and parentheses.

• SELECT / WHERE / JOIN
• Aggregates and window functions
• CTEs and subqueries

Best for: Reports, migrations, and database troubleshooting.

Image placeholders: /images/lang-samples/sql-postgresql.png and icon /images/lang-icons/sql-postgresql.png.

SQL MySQL

Code: sql-mysql

SQL MySQL drills SELECT rhythm, joins, and window clauses. Practicing removes hesitations around commas and parentheses.

• SELECT / WHERE / JOIN
• Aggregates and window functions
• CTEs and subqueries

Best for: Reports, migrations, and database troubleshooting.

Image placeholders: /images/lang-samples/sql-mysql.png and icon /images/lang-icons/sql-mysql.png.

SQL MariaDB

Code: sql-mariadb

SQL MariaDB drills SELECT rhythm, joins, and window clauses. Practicing removes hesitations around commas and parentheses.

• SELECT / WHERE / JOIN
• Aggregates and window functions
• CTEs and subqueries

Best for: Reports, migrations, and database troubleshooting.

Image placeholders: /images/lang-samples/sql-mariadb.png and icon /images/lang-icons/sql-mariadb.png.

T-SQL

Code: tsql

T-SQL drills SELECT rhythm, joins, and window clauses. Practicing removes hesitations around commas and parentheses.

• SELECT / WHERE / JOIN
• Aggregates and window functions
• CTEs and subqueries

Best for: Reports, migrations, and database troubleshooting.

Image placeholders: /images/lang-samples/tsql.png and icon /images/lang-icons/tsql.png.

PL/pgSQL

Code: plpgsql

PL/pgSQL drills SELECT rhythm, joins, and window clauses. Practicing removes hesitations around commas and parentheses.

• SELECT / WHERE / JOIN
• Aggregates and window functions
• CTEs and subqueries

Best for: Reports, migrations, and database troubleshooting.

Image placeholders: /images/lang-samples/plpgsql.png and icon /images/lang-icons/plpgsql.png.

PL/SQL

Code: plsql

PL/SQL drills SELECT rhythm, joins, and window clauses. Practicing removes hesitations around commas and parentheses.

• SELECT / WHERE / JOIN
• Aggregates and window functions
• CTEs and subqueries

Best for: Reports, migrations, and database troubleshooting.

Image placeholders: /images/lang-samples/plsql.png and icon /images/lang-icons/plsql.png.

MongoDB Query Language

Code: mongodb-ql

MongoDB Query Language targets document, column, or in-memory stores. You practice filters, projections, and scripting in small bursts.

• Filter and projection patterns
• Operators and pipeline steps
• Scripted updates

Best for: NoSQL queries and cache scripting.

Image placeholders: /images/lang-samples/mongodb-ql.png and icon /images/lang-icons/mongodb-ql.png.

Cassandra CQL

Code: cassandra-cql

Cassandra CQL targets document, column, or in-memory stores. You practice filters, projections, and scripting in small bursts.

• Filter and projection patterns
• Operators and pipeline steps
• Scripted updates

Best for: NoSQL queries and cache scripting.

Image placeholders: /images/lang-samples/cassandra-cql.png and icon /images/lang-icons/cassandra-cql.png.

Redis Lua

Code: redis-lua

Redis Lua targets document, column, or in-memory stores. You practice filters, projections, and scripting in small bursts.

• Filter and projection patterns
• Operators and pipeline steps
• Scripted updates

Best for: NoSQL queries and cache scripting.

Image placeholders: /images/lang-samples/redis-lua.png and icon /images/lang-icons/redis-lua.png.

Bash

Code: bash

Bash keeps infrastructure readable. Typing practice focuses on flags, environment variables, and declarative blocks.

• Commands and flags
• Env vars and pipelines
• Declarative blocks or manifests

Best for: Automation, CI/CD, and config as code.

Image placeholders: /images/lang-samples/bash.png and icon /images/lang-icons/bash.png.

Shell (sh)

Code: sh

Shell (sh) keeps infrastructure readable. Typing practice focuses on flags, environment variables, and declarative blocks.

• Commands and flags
• Env vars and pipelines
• Declarative blocks or manifests

Best for: Automation, CI/CD, and config as code.

Image placeholders: /images/lang-samples/sh.png and icon /images/lang-icons/sh.png.

PowerShell

Code: powershell

PowerShell keeps infrastructure readable. Typing practice focuses on flags, environment variables, and declarative blocks.

• Commands and flags
• Env vars and pipelines
• Declarative blocks or manifests

Best for: Automation, CI/CD, and config as code.

Image placeholders: /images/lang-samples/powershell.png and icon /images/lang-icons/powershell.png.

Batch

Code: batch

Batch keeps infrastructure readable. Typing practice focuses on flags, environment variables, and declarative blocks.

• Commands and flags
• Env vars and pipelines
• Declarative blocks or manifests

Best for: Automation, CI/CD, and config as code.

Image placeholders: /images/lang-samples/batch.png and icon /images/lang-icons/batch.png.

Dockerfile

Code: dockerfile

Dockerfile keeps infrastructure readable. Typing practice focuses on flags, environment variables, and declarative blocks.

• Commands and flags
• Env vars and pipelines
• Declarative blocks or manifests

Best for: Automation, CI/CD, and config as code.

Image placeholders: /images/lang-samples/dockerfile.png and icon /images/lang-icons/dockerfile.png.

YAML

Code: yaml

YAML keeps infrastructure readable. Typing practice focuses on flags, environment variables, and declarative blocks.

• Commands and flags
• Env vars and pipelines
• Declarative blocks or manifests

Best for: Automation, CI/CD, and config as code.

Image placeholders: /images/lang-samples/yaml.png and icon /images/lang-icons/yaml.png.

HCL

Code: hcl

HCL keeps infrastructure readable. Typing practice focuses on flags, environment variables, and declarative blocks.

• Commands and flags
• Env vars and pipelines
• Declarative blocks or manifests

Best for: Automation, CI/CD, and config as code.

Image placeholders: /images/lang-samples/hcl.png and icon /images/lang-icons/hcl.png.

Bicep

Code: bicep

Bicep keeps infrastructure readable. Typing practice focuses on flags, environment variables, and declarative blocks.

• Commands and flags
• Env vars and pipelines
• Declarative blocks or manifests

Best for: Automation, CI/CD, and config as code.

Image placeholders: /images/lang-samples/bicep.png and icon /images/lang-icons/bicep.png.

Nix

Code: nix

Nix keeps infrastructure readable. Typing practice focuses on flags, environment variables, and declarative blocks.

• Commands and flags
• Env vars and pipelines
• Declarative blocks or manifests

Best for: Automation, CI/CD, and config as code.

Image placeholders: /images/lang-samples/nix.png and icon /images/lang-icons/nix.png.

C# (Unity)

Code: csharp-unity

C# (Unity) appears in engines and gameplay scripts. Sessions reinforce event hooks, vector math, and scene setup.

• Update/loop callbacks
• Signals or events
• Transforms and scene setup

Best for: Gameplay scripts and engine tooling.

Image placeholders: /images/lang-samples/csharp-unity.png and icon /images/lang-icons/csharp-unity.png.

C++ (Unreal)

Code: cpp-unreal

C++ (Unreal) appears in engines and gameplay scripts. Sessions reinforce event hooks, vector math, and scene setup.

• Update/loop callbacks
• Signals or events
• Transforms and scene setup

Best for: Gameplay scripts and engine tooling.

Image placeholders: /images/lang-samples/cpp-unreal.png and icon /images/lang-icons/cpp-unreal.png.

GDScript

Code: gdscript

GDScript appears in engines and gameplay scripts. Sessions reinforce event hooks, vector math, and scene setup.

• Update/loop callbacks
• Signals or events
• Transforms and scene setup

Best for: Gameplay scripts and engine tooling.

Image placeholders: /images/lang-samples/gdscript.png and icon /images/lang-icons/gdscript.png.

Haskell

Code: haskell

Haskell leans on immutability and composition. Typing it builds confidence with pattern matching and pipeline operators.

• Pipes and composition
• Pattern matching
• Type aliases and records

Best for: Functional services, data pipelines, and DSLs.

Image placeholders: /images/lang-samples/haskell.png and icon /images/lang-icons/haskell.png.

F#

Code: fsharp

F# leans on immutability and composition. Typing it builds confidence with pattern matching and pipeline operators.

• Pipes and composition
• Pattern matching
• Type aliases and records

Best for: Functional services, data pipelines, and DSLs.

Image placeholders: /images/lang-samples/fsharp.png and icon /images/lang-icons/fsharp.png.

OCaml

Code: ocaml

OCaml leans on immutability and composition. Typing it builds confidence with pattern matching and pipeline operators.

• Pipes and composition
• Pattern matching
• Type aliases and records

Best for: Functional services, data pipelines, and DSLs.

Image placeholders: /images/lang-samples/ocaml.png and icon /images/lang-icons/ocaml.png.

Erlang

Code: erlang

Erlang leans on immutability and composition. Typing it builds confidence with pattern matching and pipeline operators.

• Pipes and composition
• Pattern matching
• Type aliases and records

Best for: Functional services, data pipelines, and DSLs.

Image placeholders: /images/lang-samples/erlang.png and icon /images/lang-icons/erlang.png.

Lua

Code: lua

Lua is lightweight and embeddable. Practice quick loops, string handling, and small helper functions.

• Loops and iterators
• String and file helpers
• Modules and requires

Best for: Automation scripts and embedded logic.

Image placeholders: /images/lang-samples/lua.png and icon /images/lang-icons/lua.png.

Nim

Code: nim

Nim is lightweight and embeddable. Practice quick loops, string handling, and small helper functions.

• Loops and iterators
• String and file helpers
• Modules and requires

Best for: Automation scripts and embedded logic.

Image placeholders: /images/lang-samples/nim.png and icon /images/lang-icons/nim.png.

Crystal

Code: crystal

Crystal is lightweight and embeddable. Practice quick loops, string handling, and small helper functions.

• Loops and iterators
• String and file helpers
• Modules and requires

Best for: Automation scripts and embedded logic.

Image placeholders: /images/lang-samples/crystal.png and icon /images/lang-icons/crystal.png.

Perl

Code: perl

Perl is lightweight and embeddable. Practice quick loops, string handling, and small helper functions.

• Loops and iterators
• String and file helpers
• Modules and requires

Best for: Automation scripts and embedded logic.

Image placeholders: /images/lang-samples/perl.png and icon /images/lang-icons/perl.png.

VBA (Visual Basic for Applications)

Code: vba

VBA (Visual Basic for Applications) is lightweight and embeddable. Practice quick loops, string handling, and small helper functions.

• Loops and iterators
• String and file helpers
• Modules and requires

Best for: Automation scripts and embedded logic.

Image placeholders: /images/lang-samples/vba.png and icon /images/lang-icons/vba.png.

VHDL

Code: vhdl

VHDL targets specialized domains. Short reps reduce friction on directives, signals, and domain keywords.

• Domain keywords
• Signal or wire notation
• Module/block structure

Best for: Hardware design and smart contracts.

Image placeholders: /images/lang-samples/vhdl.png and icon /images/lang-icons/vhdl.png.

Verilog

Code: verilog

Verilog targets specialized domains. Short reps reduce friction on directives, signals, and domain keywords.

• Domain keywords
• Signal or wire notation
• Module/block structure

Best for: Hardware design and smart contracts.

Image placeholders: /images/lang-samples/verilog.png and icon /images/lang-icons/verilog.png.

Solidity

Code: solidity

Solidity targets specialized domains. Short reps reduce friction on directives, signals, and domain keywords.

• Domain keywords
• Signal or wire notation
• Module/block structure

Best for: Hardware design and smart contracts.

Image placeholders: /images/lang-samples/solidity.png and icon /images/lang-icons/solidity.png.

WAT

Code: wat

WAT targets specialized domains. Short reps reduce friction on directives, signals, and domain keywords.

• Domain keywords
• Signal or wire notation
• Module/block structure

Best for: Hardware design and smart contracts.

Image placeholders: /images/lang-samples/wat.png and icon /images/lang-icons/wat.png.

PLC Structured Text

Code: plc-st

PLC Structured Text is common on controllers. Practice deterministic rung or block structures without pausing on symbols.

• Inputs/outputs and coils
• Timers and counters
• Structured steps

Best for: Industrial control logic.

Image placeholders: /images/lang-samples/plc-st.png and icon /images/lang-icons/plc-st.png.

PLC Ladder Diagram (LD)

Code: plc-ld

PLC Ladder Diagram (LD) is common on controllers. Practice deterministic rung or block structures without pausing on symbols.

• Inputs/outputs and coils
• Timers and counters
• Structured steps

Best for: Industrial control logic.

Image placeholders: /images/lang-samples/plc-ld.png and icon /images/lang-icons/plc-ld.png.

PLC Function Block Diagram (FBD)

Code: plc-fbd

PLC Function Block Diagram (FBD) is common on controllers. Practice deterministic rung or block structures without pausing on symbols.

• Inputs/outputs and coils
• Timers and counters
• Structured steps

Best for: Industrial control logic.

Image placeholders: /images/lang-samples/plc-fbd.png and icon /images/lang-icons/plc-fbd.png.

CNC G-Code

Code: cnc-gcode

CNC G-Code drives machining paths. Typing practice keeps coordinates, feeds, and cycles clean.

• Coordinates and offsets
• Cycle codes and tool calls
• Speeds, feeds, and safety

Best for: CNC programming and edits at the machine.

Image placeholders: /images/lang-samples/cnc-gcode.png and icon /images/lang-icons/cnc-gcode.png.

CNC Heidenhain

Code: cnc-heidenhain

CNC Heidenhain drives machining paths. Typing practice keeps coordinates, feeds, and cycles clean.

• Coordinates and offsets
• Cycle codes and tool calls
• Speeds, feeds, and safety

Best for: CNC programming and edits at the machine.

Image placeholders: /images/lang-samples/cnc-heidenhain.png and icon /images/lang-icons/cnc-heidenhain.png.

CNC Sinumerik

Code: cnc-sinumerik

CNC Sinumerik drives machining paths. Typing practice keeps coordinates, feeds, and cycles clean.

• Coordinates and offsets
• Cycle codes and tool calls
• Speeds, feeds, and safety

Best for: CNC programming and edits at the machine.

Image placeholders: /images/lang-samples/cnc-sinumerik.png and icon /images/lang-icons/cnc-sinumerik.png.

CNC Fanuc

Code: cnc-fanuc

CNC Fanuc drives machining paths. Typing practice keeps coordinates, feeds, and cycles clean.

• Coordinates and offsets
• Cycle codes and tool calls
• Speeds, feeds, and safety

Best for: CNC programming and edits at the machine.

Image placeholders: /images/lang-samples/cnc-fanuc.png and icon /images/lang-icons/cnc-fanuc.png.

CNC Mazatrol

Code: cnc-mazatrol

CNC Mazatrol drives machining paths. Typing practice keeps coordinates, feeds, and cycles clean.

• Coordinates and offsets
• Cycle codes and tool calls
• Speeds, feeds, and safety

Best for: CNC programming and edits at the machine.

Image placeholders: /images/lang-samples/cnc-mazatrol.png and icon /images/lang-icons/cnc-mazatrol.png.

ABAP

Code: abap

ABAP runs legacy and enterprise stacks. Sessions keep verbose statements tidy so intent stays readable.

• Structured records
• Batch/transaction blocks
• Verbose keywords

Best for: Enterprise systems and maintenance.

Image placeholders: /images/lang-samples/abap.png and icon /images/lang-icons/abap.png.

COBOL

Code: cobol

COBOL runs legacy and enterprise stacks. Sessions keep verbose statements tidy so intent stays readable.

• Structured records
• Batch/transaction blocks
• Verbose keywords

Best for: Enterprise systems and maintenance.

Image placeholders: /images/lang-samples/cobol.png and icon /images/lang-icons/cobol.png.

Fortran

Code: fortran

Fortran focuses on numeric routines. Practice array slices, loops, and precise formatting.

• Array slices and loops
• Math functions
• Formatted output

Best for: Scientific computing and models.

Image placeholders: /images/lang-samples/fortran.png and icon /images/lang-icons/fortran.png.

GraphQL

Code: graphql

GraphQL is a query DSL. Typing drills keep operators, clauses, and pipes fluent.

• Pattern/shape matching
• Filters and projections
• Pipes or aggregations

Best for: APIs, logs, and graph or metrics queries.

Image placeholders: /images/lang-samples/graphql.png and icon /images/lang-icons/graphql.png.

Cypher (Neo4j)

Code: cypher

Cypher (Neo4j) is a query DSL. Typing drills keep operators, clauses, and pipes fluent.

• Pattern/shape matching
• Filters and projections
• Pipes or aggregations

Best for: APIs, logs, and graph or metrics queries.

Image placeholders: /images/lang-samples/cypher.png and icon /images/lang-icons/cypher.png.

SPARQL

Code: sparql

SPARQL is a query DSL. Typing drills keep operators, clauses, and pipes fluent.

• Pattern/shape matching
• Filters and projections
• Pipes or aggregations

Best for: APIs, logs, and graph or metrics queries.

Image placeholders: /images/lang-samples/sparql.png and icon /images/lang-icons/sparql.png.

Kusto Query Language (KQL)

Code: kql

Kusto Query Language (KQL) is a query DSL. Typing drills keep operators, clauses, and pipes fluent.

• Pattern/shape matching
• Filters and projections
• Pipes or aggregations

Best for: APIs, logs, and graph or metrics queries.

Image placeholders: /images/lang-samples/kql.png and icon /images/lang-icons/kql.png.

PromQL

Code: promql

PromQL is a query DSL. Typing drills keep operators, clauses, and pipes fluent.

• Pattern/shape matching
• Filters and projections
• Pipes or aggregations

Best for: APIs, logs, and graph or metrics queries.

Image placeholders: /images/lang-samples/promql.png and icon /images/lang-icons/promql.png.

Special / Other

Code: special

Special / Other is a flexible category. Practice keeps symbols, structure, and phrasing smooth.

• Core syntax
• Common operators
• Clean formatting

Best for: General practice and niche tooling.

Image placeholders: /images/lang-samples/special.png and icon /images/lang-icons/special.png.