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351 articles · Page 4 of 4

Dec 25, 2020 · Fundamentals

Unveiling Java’s Hidden Syntactic Sugar: From Generics to Try‑with‑Resources

This article explains the concept of syntactic sugar in Java, detailing how features such as generics, auto‑boxing/unboxing, enums, inner classes, var‑args, enhanced for loops, switch with strings, conditional compilation, assertions, try‑with‑resources, and string concatenation are implemented by the compiler and why they improve code readability and safety.

CompilerLanguage Featurescode examples

0 likes · 18 min read

Unveiling Java’s Hidden Syntactic Sugar: From Generics to Try‑with‑Resources

Laravel Tech Community

Dec 21, 2020 · Backend Development

New Features and Performance Improvements in PHP 8.0

This article outlines the major new features and performance enhancements introduced in PHP 8.0, including JIT compilation, named parameters, union types, attributes, match expressions, null‑safe operator, WeakMap, constructor property promotion, and numerous syntax improvements, accompanied by illustrative code examples.

New FeaturesPHP 8code examples

0 likes · 12 min read

New Features and Performance Improvements in PHP 8.0

Python Programming Learning Circle

Dec 11, 2020 · Fundamentals

Common Python Standard and Third‑Party Libraries with Usage Examples

This article lists essential Python standard libraries and popular third‑party packages, explains their primary functions, and provides concise code examples for modules such as datetime, zlib, and sys to help developers quickly understand and apply them in their projects.

PythonThird‑party librariescode examples

0 likes · 5 min read

Common Python Standard and Third‑Party Libraries with Usage Examples

21CTO

Nov 29, 2020 · Artificial Intelligence

Decode Math Symbols with Python: From Summation to Matrix Multiplication

Learn how to translate common mathematical symbols such as summation, product, factorial, conditional expressions, and matrix multiplication into clear Python code, revealing the underlying computations and helping data scientists and ML practitioners deepen their mathematical intuition through practical examples.

MathematicsMatrix multiplicationPython

0 likes · 7 min read

Decode Math Symbols with Python: From Summation to Matrix Multiplication

Java Backend Technology

Nov 28, 2020 · Fundamentals

Master Java String Manipulation with strman-java: 23 Essential Methods Explained

This tutorial introduces the strman-java library, a powerful Java 8 string utility with 23 methods—such as append, at, base64Encode, and safeTruncate—providing clear code examples, explanations of underlying Java features, and best‑practice tips for writing cleaner, more efficient code.

Programming TutorialString Manipulationcode examples

0 likes · 20 min read

Master Java String Manipulation with strman-java: 23 Essential Methods Explained

Python Crawling & Data Mining

Nov 17, 2020 · Fundamentals

Unlock Python’s Power: Master Lambda Anonymous Functions in Minutes

This article introduces Python’s lambda anonymous functions, explains their syntax and differences from regular functions, showcases practical one‑line examples, explores functional programming tools like map, filter, and reduce, and highlights how lambdas can reduce code size while enhancing readability.

Functional ProgrammingLambdaPython

0 likes · 9 min read

Unlock Python’s Power: Master Lambda Anonymous Functions in Minutes

MaGe Linux Operations

Oct 25, 2020 · Fundamentals

Master Python Decorators: From Basics to Advanced Usage

This article explains what Python decorators are, how they work as closures to extend function behavior without altering source code, and provides clear examples—including basic syntax, syntactic sugar with @, execution timing, common use cases, and advanced patterns such as parameterized, multi‑decorator, and class‑based decorators.

closurecode examplesdecorators

0 likes · 9 min read

Master Python Decorators: From Basics to Advanced Usage

Tuhu Marketing Technology Team

Oct 10, 2020 · Backend Development

Ensuring Idempotency in Distributed Systems: Strategies and Code Samples

This article explains the concept of idempotency, examines common failure scenarios such as duplicate order creation, coupon redemption, and inventory deduction, and presents practical solutions—including unique identifiers, locking, database constraints, and state‑machine approaches—accompanied by concrete SQL and pseudo‑code examples.

DatabaseIdempotencybackend development

0 likes · 12 min read

Ensuring Idempotency in Distributed Systems: Strategies and Code Samples

Python Crawling & Data Mining

Oct 8, 2020 · Fundamentals

Master Python’s sys Module: 7 Essential Functions Explained with Code

This article introduces Python’s sys standard library, explains its purpose, and provides clear, code‑driven walkthroughs of seven key sys functions—including exc_info, getprofile, getrecursionlimit, gettrace, setprofile, setrecursionlimit, and settrace—complete with illustrative screenshots.

PythonTutorialcode examples

0 likes · 4 min read

Master Python’s sys Module: 7 Essential Functions Explained with Code

Python Crawling & Data Mining

Sep 16, 2020 · Fundamentals

Master Python String Formatting: Zero-Padding, Decimal Precision, and %s Tricks

This guide walks you through advanced Python string formatting techniques—including zero‑padded integers with %03d, fixed‑point floats with %.2f, and versatile %s placeholders—complete with code snippets and visual examples to help you format IDs, weights, and more efficiently.

String Formattingcode examplesfloat precision

0 likes · 5 min read

Master Python String Formatting: Zero-Padding, Decimal Precision, and %s Tricks

Python Crawling & Data Mining

Sep 12, 2020 · Fundamentals

Master Python’s Most Common Exceptions: When and Why They Occur

This article explains why Python programs raise common built‑in exceptions, illustrates each with clear code examples, and shows practical techniques for catching, raising, and debugging these errors to write more robust code.

DebuggingExceptionscode examples

0 likes · 8 min read

Master Python’s Most Common Exceptions: When and Why They Occur

Programmer DD

Sep 1, 2020 · Backend Development

How Hutool Transforms Java Development: A Complete Guide

This article introduces Hutool, a popular Java utility library, explains its core purpose and extensive feature set—including encryption, HTML handling, and scheduling utilities—provides practical code examples, and shows how to integrate it via Maven or Gradle, helping developers avoid reinventing common tools.

Utility Librarycode exampleshutool

0 likes · 8 min read

How Hutool Transforms Java Development: A Complete Guide

MaGe Linux Operations

Aug 21, 2020 · Fundamentals

Why Python? A Complete Beginner’s Guide to Mastering the Language

This comprehensive tutorial introduces Python, explains its uses in web development, IoT, and machine learning, guides you through installation, IDE selection, Jupyter Notebook setup, and covers core concepts such as variables, data types, operators, control flow, functions, modules, file handling, and more, complete with code examples and visual illustrations.

BeginnerIDEPython

0 likes · 61 min read

Why Python? A Complete Beginner’s Guide to Mastering the Language

Selected Java Interview Questions

Aug 9, 2020 · Backend Development

Java Exception Architecture, Keywords, Handling, and Common Interview Questions

This article provides a comprehensive overview of Java's exception hierarchy, key keywords, handling techniques, common interview questions, and best‑practice guidelines, illustrating concepts with numerous code examples to help developers write robust and maintainable backend code.

Interview Questionsbackend developmentcode examples

0 likes · 33 min read

Java Exception Architecture, Keywords, Handling, and Common Interview Questions

Wukong Talks Architecture

Jul 29, 2020 · Mobile Development

Comprehensive Swift Language Tutorial: Basics, Syntax, and Advanced Features

This extensive Swift tutorial introduces the language’s fundamentals—including variables, constants, control flow, functions, closures, enums, and memory management—while providing detailed code examples and explanations of advanced concepts such as protocols, generics, and ARC, making it a complete guide for iOS and macOS developers.

SwiftTutorialcode examples

0 likes · 40 min read

Comprehensive Swift Language Tutorial: Basics, Syntax, and Advanced Features

Programmer DD

Jul 10, 2020 · Fundamentals

Top 10 Surprising Java Pitfalls Every Developer Should Avoid

This article ranks the ten most counter‑intuitive Java language features that often trap developers, explains why they behave unexpectedly, and provides clear code examples and fixes to help programmers write safer, more predictable code.

code examplescommon mistakesjava

0 likes · 11 min read

Top 10 Surprising Java Pitfalls Every Developer Should Avoid

Python Crawling & Data Mining

Jul 3, 2020 · Fundamentals

Unlock Python’s Power: A Practical Guide to Magic Methods

This article introduces Python’s magic methods, explains their purposes and usage, provides a comprehensive table of common dunder methods, and demonstrates practical examples—including object creation, attribute handling, container behavior, and context management—to help developers master these powerful language features.

Object-OrientedPythonTutorial

0 likes · 14 min read

Unlock Python’s Power: A Practical Guide to Magic Methods

360 Tech Engineering

Jun 29, 2020 · Fundamentals

Summary of the Latest Go Generics Design Draft with Code Examples

This article summarizes the key changes in the new Go generics design draft, explaining type constraints, multiple type parameters, type lists, generic structs, and method‑based constraints, and includes practical Go code snippets to illustrate each feature.

GoType Constraintscode examples

0 likes · 8 min read

Summary of the Latest Go Generics Design Draft with Code Examples

Laravel Tech Community

Jun 20, 2020 · Backend Development

Mastering PHP's preg_replace: Syntax, Parameters, and Real-World Examples

This article explains PHP's preg_replace function, detailing its purpose, parameter list, return values, and provides three practical code examples that illustrate pattern matching, multiple replacements, and usage of limit and count options.

PHPRegexbackend

0 likes · 5 min read

Mastering PHP's preg_replace: Syntax, Parameters, and Real-World Examples

Selected Java Interview Questions

Jun 10, 2020 · Fundamentals

Understanding the Execution and Return Values of Java finally Blocks

This article examines when Java's finally block executes, explores cases where it may be skipped, analyzes its interaction with return statements and exceptions, and demonstrates how return values are affected through multiple code examples.

Exception Handlingcode examplesfinally

0 likes · 9 min read

Understanding the Execution and Return Values of Java finally Blocks

Laravel Tech Community

Jun 9, 2020 · Fundamentals

Introducing Wenyan‑lang: A Classical Chinese Syntax Programming Language

Wenyan‑lang is an open‑source programming language that uses only Classical Chinese characters for source code, compiles to JavaScript or Python, and provides a full set of language constructs such as variables, control flow, operations, containers, and functions illustrated with clear code examples.

JavaScriptProgramming Languageclassical-chinese

0 likes · 5 min read

Introducing Wenyan‑lang: A Classical Chinese Syntax Programming Language

Python Programming Learning Circle

May 23, 2020 · Fundamentals

Python Turtle Graphics: Commands, Examples, and Code Snippets

This tutorial introduces Python's standard turtle graphics library, explains its drawing principles, details core commands for window setup, movement, direction, and pen control, and provides ten illustrated code examples ranging from basic shapes to complex patterns.

Graphicscode examplesdrawing

0 likes · 8 min read

Python Turtle Graphics: Commands, Examples, and Code Snippets

Lin is Dream

May 14, 2020 · Frontend Development

Master HTML Forms: Elements, Attributes, and Practical Code Examples

This guide explains HTML form elements, common attributes like readonly, disabled, and required, and demonstrates how to build functional forms with code snippets, including input types, labels, and form association techniques for effective data submission.

FormsFrontendHTML

0 likes · 5 min read

Master HTML Forms: Elements, Attributes, and Practical Code Examples

Python Crawling & Data Mining

May 11, 2020 · Fundamentals

Master Python f-strings: Syntax, Tricks, and Real-World Examples

This tutorial explains Python 3.6's f‑string formatting, covering basic usage, expression evaluation, lambda functions, quoting rules, brace escaping, padding, numeric specifiers, width/precision control, date formatting, and a complete multiplication‑table case with code samples.

PythonString FormattingTutorial

0 likes · 10 min read

Master Python f-strings: Syntax, Tricks, and Real-World Examples

Laravel Tech Community

Apr 22, 2020 · Backend Development

Unlock PHP 7.4: 7 Powerful Features to Simplify Your Code

This article introduces seven new PHP 7.4 features—including typed properties, arrow functions, array unpacking, null‑coalescing assignment, numeric separators, array‑based strip_tags, and the deprecated money_format replacement—providing concise code examples and practical usage tips for developers.

New FeaturesPHPbackend

0 likes · 3 min read

Unlock PHP 7.4: 7 Powerful Features to Simplify Your Code

MaGe Linux Operations

Mar 5, 2020 · Fundamentals

Unlocking Python’s Underscore: 4 Powerful Uses You Should Know

This article explains four practical ways the underscore (_) is used in Python—retrieving the last expression result, discarding unwanted values, marking private module members, and improving readability of large numeric literals—with clear code examples.

Programming BasicsPythoncode examples

0 likes · 5 min read

Unlocking Python’s Underscore: 4 Powerful Uses You Should Know

ITPUB

Feb 21, 2020 · Fundamentals

Boost Python Skills: For Loops vs List Comprehensions Explained

This article explains how Python’s for loops work, introduces list comprehensions as a concise alternative, compares their performance and readability, and provides numerous code examples—including dictionary, set, and multi‑loop comprehensions with conditional logic—to help developers write clearer, more efficient code.

code examplesfor looplist comprehension

0 likes · 8 min read

Boost Python Skills: For Loops vs List Comprehensions Explained

MaGe Linux Operations

Feb 18, 2020 · Fundamentals

10 Common Python Pitfalls and How to Avoid Them

This article walks through ten frequent Python gotchas—from mutable default arguments and for‑else usage to dictionary key hashing, proper if checks, lazy‑evaluation closures, path handling, eval quirks, while loop nuances, multiline strings, and requests encoding—providing clear explanations and corrected code examples.

Tutorialbest practicescode examples

0 likes · 10 min read

10 Common Python Pitfalls and How to Avoid Them

Programmer DD

Dec 29, 2019 · Fundamentals

Explore Wenyan‑lang: The Chinese‑Only Programming Language Without English Syntax

Wenyan‑lang, a novel programming language created by a Carnegie Mellon senior, lets developers write code using only traditional Chinese characters and punctuation, offering a unique way to express variables, control flow, functions, and data structures with side‑by‑side JavaScript equivalents illustrated throughout the article.

Programming Languagechinese-syntaxcode examples

0 likes · 6 min read

Explore Wenyan‑lang: The Chinese‑Only Programming Language Without English Syntax

Full-Stack Internet Architecture

Dec 5, 2019 · Fundamentals

Understanding Java: Pass‑by‑Value vs Pass‑by‑Reference Explained

This article clarifies the long‑standing confusion about whether Java uses pass‑by‑value or pass‑by‑reference by defining the concepts, distinguishing actual and formal parameters, and demonstrating with primitive and object examples that Java always passes arguments by value, using the reference as the value for objects.

Programming Fundamentalscode examplesjava

0 likes · 8 min read

Understanding Java: Pass‑by‑Value vs Pass‑by‑Reference Explained

Python Programming Learning Circle

Nov 10, 2019 · Fundamentals

7 Fun Python Projects You Can Build in Minutes

This article presents seven practical Python scripts—from scraping Zhihu images and chatting bots to poetry author detection, lottery generation, auto‑drafting apologies, screen recording, and GIF creation—showcasing how to quickly automate diverse tasks without reinventing the wheel.

AIAutomationPython

0 likes · 9 min read

7 Fun Python Projects You Can Build in Minutes

Python Programming Learning Circle

Oct 20, 2019 · Fundamentals

Unlock Hidden Python Tricks: Variable Arguments, File Globbing, Debugging, and More

This article explores a collection of useful yet often overlooked Python features—including functions with arbitrary arguments, file searching with glob, debugging with inspect, generating unique IDs, serialization, compression, and registering shutdown hooks—providing clear code examples and practical explanations for each.

DebuggingPythonSerialization

0 likes · 11 min read

Unlock Hidden Python Tricks: Variable Arguments, File Globbing, Debugging, and More

Python Programming Learning Circle

Sep 26, 2019 · Fundamentals

Master Python Dictionaries: Creation, Access, and Manipulation Techniques

This tutorial explains Python's built‑in dictionary type, covering how to create dictionaries with braces or the dict function, access values via keys or get(), and perform update, addition, and deletion operations using methods like update(), pop(), popitem() and clear().

CRUDcode examplesdictionary

0 likes · 8 min read

Master Python Dictionaries: Creation, Access, and Manipulation Techniques

macrozheng

Sep 4, 2019 · Backend Development

Master Hutool: Essential Java Utility Classes and How to Use Them

This guide introduces the Hutool Java utility library, showing how to install it via Maven and demonstrating key utility classes such as Convert, DateUtil, StrUtil, ReflectUtil, and more with practical code examples for backend development.

Utility Librarybackend developmentcode examples

0 likes · 10 min read

Master Hutool: Essential Java Utility Classes and How to Use Them

DevOps Cloud Academy

Aug 1, 2019 · Fundamentals

Python Operators: Arithmetic, Comparison, Assignment, Logical, Membership, Identity, Bitwise, and Operator Precedence

This article explains Python’s arithmetic, comparison, assignment, logical, membership, identity, and bitwise operators, demonstrates their usage with example code, and outlines operator precedence, providing clear outputs for each operation in a concise tutorial format.

Programming BasicsPythoncode examples

0 likes · 8 min read

Python Operators: Arithmetic, Comparison, Assignment, Logical, Membership, Identity, Bitwise, and Operator Precedence

Alibaba Cloud Developer

Jun 19, 2019 · Backend Development

What’s New in the Updated Java Development Handbook? 21 Rules, Lock Pitfalls, and Float Tricks

The latest Java Development Handbook introduces 21 new coding rules, revises over a hundred guidelines, and adds clearer examples on lock handling, switch‑null checks, floating‑point comparisons, collection conversions, and guard statements, while inviting developers to download the free PDF and join a live discussion.

Switchcode examplescoding standards

0 likes · 9 min read

What’s New in the Updated Java Development Handbook? 21 Rules, Lock Pitfalls, and Float Tricks

MaGe Linux Operations

Mar 14, 2019 · Fundamentals

10 Essential Python Interview Questions and Answers to Boost Your Prep

This article presents ten core Python interview questions covering class inheritance, callable objects, object creation, data structures, variable swapping, attribute handling, package imports, closures, and common pitfalls, each accompanied by concise code examples and explanations to help candidates prepare effectively.

Pythoncode examples

0 likes · 6 min read

10 Essential Python Interview Questions and Answers to Boost Your Prep

Big Data Technology & Architecture

Mar 11, 2019 · Fundamentals

Scala Array Basics: Declaration, Operations, and Methods

This article introduces Scala arrays, covering their declaration, element access, multidimensional arrays, common operations such as iteration, summation, finding maximum values, concatenation, range creation, and a comprehensive list of array methods, all illustrated with clear code examples.

ArraysData StructuresScala

0 likes · 10 min read

Scala Array Basics: Declaration, Operations, and Methods

21CTO

Sep 17, 2018 · Fundamentals

Master Python Recursion: Limits, Pitfalls, and Practical Examples

This article explains how recursion works in Python, demonstrates factorial and list‑flattening implementations, shows how to check and adjust the language's recursion limit, and warns about infinite recursion errors with clear code samples.

PythonRecursioncode examples

0 likes · 5 min read

Master Python Recursion: Limits, Pitfalls, and Practical Examples

Bitu Technology

Jul 19, 2018 · Artificial Intelligence

Introduction to Deep Learning: Concepts, Examples, and Learning Resources

This article provides a comprehensive overview of deep learning, covering its definition, fundamental machine‑learning components, illustrative examples such as hot‑dog classification and house‑price prediction, the mathematics of cost functions and gradient descent, back‑propagation via the chain rule, and practical resources and code snippets using Torch.

Backpropagationcode examplesgradient descent

0 likes · 11 min read

Introduction to Deep Learning: Concepts, Examples, and Learning Resources

Test Development Learning Exchange

Jul 15, 2018 · Fundamentals

Python abs() and fabs() Functions: Absolute Value Calculations

This article explains the Python abs() and fabs() functions, detailing their usage, syntax, parameters, return values, and examples for calculating absolute values of numbers, including handling complex numbers with abs() and float/integer types with fabs().

ABSMathematicsPython

0 likes · 2 min read

Python abs() and fabs() Functions: Absolute Value Calculations

MaGe Linux Operations

May 31, 2018 · Fundamentals

Master Python Regular Expressions: Patterns, Methods, and Real‑World Examples

This article introduces Python's regular expression engine, explains the syntax of regex patterns, lists special metacharacters, and demonstrates core re module functions such as compile, match, search, findall, finditer, split, and sub with practical code examples.

Pattern MatchingPythoncode examples

0 likes · 21 min read

Master Python Regular Expressions: Patterns, Methods, and Real‑World Examples

AI Cyberspace

May 16, 2018 · Fundamentals

Master C Operators: From Arithmetic to sizeof – A Complete Guide

This comprehensive guide explains C language operators—including arithmetic, relational, logical, assignment, comma, and sizeof—detailing their types, precedence, associativity, and usage with clear examples and code snippets to help you write correct and efficient expressions.

C programmingExpression EvaluationOperator Precedence

0 likes · 12 min read

Master C Operators: From Arithmetic to sizeof – A Complete Guide

MaGe Linux Operations

Mar 7, 2018 · Fundamentals

Why I Love JavaScript: Uncovering Its Quirks and Powerful Features

Despite its reputation for oddities and browser inconsistencies, JavaScript has evolved with ES6 features like default parameters, arrow functions, template literals, destructuring, and more, making it expressive and efficient; this article explores those quirks and explains why the author prefers JavaScript for modern development.

FrontendJavaScriptcode examples

0 likes · 6 min read

Why I Love JavaScript: Uncovering Its Quirks and Powerful Features

Efficient Ops

Dec 24, 2017 · Fundamentals

12 Essential Python Tricks Every Developer Should Know

This article presents twelve practical Python techniques—including regex substitution, directory traversal, list sorting, deduplication, dictionary sorting, data type conversions, datetime handling, command‑line parsing, formatted printing, base conversion, system command execution, and file I/O—complete with ready‑to‑run code examples for each.

PythonScriptingTutorial

0 likes · 14 min read

12 Essential Python Tricks Every Developer Should Know

AI Large-Model Wave and Transformation Guide

Nov 8, 2017 · Fundamentals

Mastering Variables: From Numbers to Strings in Simple Code Examples

This tutorial explains how variables act as named placeholders for data, demonstrates assigning numeric values, performing arithmetic, and concatenating strings through clear Python code snippets, and shows the expected output for each example to help beginners grasp variable usage.

Beginner TutorialProgramming Basicscode examples

0 likes · 4 min read

Mastering Variables: From Numbers to Strings in Simple Code Examples

MaGe Linux Operations

Aug 29, 2017 · Fundamentals

A Programming Language Is a System for Encoding, Naming, and Organizing Algorithms

The article explains that a programming language serves as a system to encode, name, and organize algorithms, discusses the misuse of the term “algorithm,” illustrates classic algorithms like Dijkstra’s and Euclid’s with code examples in Forth, PostScript, and Python, and emphasizes the DRY principle and efficiency concerns in software development.

AlgorithmsDRY principleProgramming Languages

0 likes · 8 min read

A Programming Language Is a System for Encoding, Naming, and Organizing Algorithms

Art of Distributed System Architecture Design

Mar 1, 2015 · Backend Development

24 Awesome PHP Libraries Every Developer Should Know

This article presents a curated list of 24 essential PHP libraries, ranging from micro‑frameworks and routing tools to image processing, validation, and command‑line wrappers, each accompanied by concise descriptions and practical code snippets for quick integration.

LibrariesPHPbackend

0 likes · 22 min read

24 Awesome PHP Libraries Every Developer Should Know

Baidu Tech Salon

Jun 3, 2014 · Mobile Development

Introduction to Swift: Basic Syntax, Variables, Control Flow, Functions, and More

Apple’s Swift language, introduced at WWDC 2014, offers a modern, LLVM‑compiled syntax with playgrounds, optional typing, clear variable and constant declarations, robust control‑flow constructs, first‑class functions and closures, class inheritance, protocols, extensions, generics, and safe optional handling, making development for macOS and iOS both expressive and less error‑prone.

SwiftSyntaxcode examples

0 likes · 17 min read

Introduction to Swift: Basic Syntax, Variables, Control Flow, Functions, and More