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FileIO

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Python Programming Learning Circle
Python Programming Learning Circle
Oct 26, 2024 · Fundamentals

Python Tutorial: Working with Excel, Word, and CSV Files

This article provides a comprehensive Python tutorial covering how to read, write, and modify Excel files using xlrd/xlwt/xlutils, manipulate Word documents with python-docx, and handle CSV data via the csv module, including code examples, library installation, and practical usage tips.

CSVDataProcessingFileIO
0 likes · 28 min read
Python Tutorial: Working with Excel, Word, and CSV Files
37 Interactive Technology Team
37 Interactive Technology Team
Apr 15, 2024 · Backend Development

High-Performance Data Collection and Persistence Using OpenResty, Lua, and Kafka

The article describes a high‑throughput, fault‑tolerant data‑collection pipeline built with OpenResty, Lua, and Kafka that writes incoming records to disk using a cross‑worker mutex and cached file handles, rotates files via Nginx reload, and achieves over 13× performance versus typical online methods.

DataIngestionFileIOHighPerformance
0 likes · 7 min read
High-Performance Data Collection and Persistence Using OpenResty, Lua, and Kafka
Test Development Learning Exchange
Test Development Learning Exchange
Jun 18, 2022 · Backend Development

Simple Java Logging Utility (LogUtils) with Console and File Output

This article introduces a lightweight Java logging utility class named LogUtils that supports four log levels, formats messages, and can output logs to the console or a file, with configurable level, target, and file settings, accompanied by example usage code.

ConsoleFileIOJava
0 likes · 8 min read
Simple Java Logging Utility (LogUtils) with Console and File Output
Top Architect
Top Architect
Mar 1, 2022 · Backend Development

Spring Framework Utility Classes Overview: Assert, ObjectUtils, StringUtils, CollectionUtils, FileCopyUtils, ResourceUtils, StreamUtils, ReflectionUtils, AopUtils

This article provides a comprehensive reference of Spring Framework utility classes—including Assert, ObjectUtils, StringUtils, CollectionUtils, FileCopyUtils, ResourceUtils, StreamUtils, ReflectionUtils, and AopUtils—detailing their purpose, typical usage scenarios, and full method signatures for Java backend development.

AssertionsFileIOJava
0 likes · 14 min read
Spring Framework Utility Classes Overview: Assert, ObjectUtils, StringUtils, CollectionUtils, FileCopyUtils, ResourceUtils, StreamUtils, ReflectionUtils, AopUtils
Java Architect Essentials
Java Architect Essentials
Feb 20, 2022 · Backend Development

Common Spring Utility Classes: Assertions, ObjectUtils, StringUtils, CollectionUtils, FileCopyUtils, ResourceUtils, ReflectionUtils, AopUtils Overview

This article consolidates frequently used Spring utility classes—such as Assert, ObjectUtils, StringUtils, CollectionUtils, FileCopyUtils, ResourceUtils, ReflectionUtils, and AopUtils—explaining their purpose, typical usage patterns, and providing code snippets to help developers avoid redundant implementations and leverage built‑in Spring functionality.

AssertionsFileIOJava
0 likes · 14 min read
Common Spring Utility Classes: Assertions, ObjectUtils, StringUtils, CollectionUtils, FileCopyUtils, ResourceUtils, ReflectionUtils, AopUtils Overview
Architect's Tech Stack
Architect's Tech Stack
Oct 21, 2021 · Backend Development

Using Alibaba EasyExcel for Reading and Writing Excel Files in Java

This article provides a comprehensive guide on integrating Alibaba's EasyExcel library into Java projects, covering environment setup, reading Excel files with and without sheet specifications for datasets smaller or larger than 1000 rows, exporting data with simple and model‑mapped approaches, handling multiple sheets, and includes full source code examples and a test suite.

FileIOJavaSpringBoot
0 likes · 15 min read
Using Alibaba EasyExcel for Reading and Writing Excel Files in Java
Java Captain
Java Captain
Nov 26, 2020 · Backend Development

Java Console Application for User Login, Registration, and Lottery System

This article presents a Java console program that implements user login, registration, and a lottery feature, detailing the functional requirements, data storage using files, key data structures like ArrayList and HashMap, and provides the complete source code with usage notes.

FileIOJavaLogin
0 likes · 12 min read
Java Console Application for User Login, Registration, and Lottery System
NetEase Game Operations Platform
NetEase Game Operations Platform
Nov 16, 2019 · Frontend Development

WebAssembly with Emscripten: High‑Performance MD5 Hashing and Archive Extraction in the Browser

This article demonstrates how to leverage WebAssembly and Emscripten to compile C code for high‑performance MD5 hashing and archive (zip/7z) parsing in the browser, covering library selection, memory management, file I/O via WorkerFS, async processing, and integration of C functions with JavaScript.

BrowserCEmscripten
0 likes · 18 min read
WebAssembly with Emscripten: High‑Performance MD5 Hashing and Archive Extraction in the Browser
Java Captain
Java Captain
Feb 13, 2018 · Fundamentals

Understanding Java I/O Streams: Concepts, Classifications, and Code Examples

This article explains the concept of Java I/O streams, their classifications, and provides detailed code examples for InputStream, FileInputStream, FileOutputStream, BufferedOutputStream, and DataOutputStream, illustrating how to read, write, and manage resources effectively.

FileIOI/OInputStream
0 likes · 11 min read
Understanding Java I/O Streams: Concepts, Classifications, and Code Examples