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Perl

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Python Programming Learning Circle
Python Programming Learning Circle
Sep 6, 2023 · Fundamentals

Five Programming Languages Likely to Disappear Within the Next 20 Years

The article examines why several once‑popular programming languages—including Ruby, Visual Basic, Haskell, Perl, and Objective‑C—are losing relevance due to performance, ecosystem shifts, and lack of innovation, and predicts they may fade away in the coming two decades.

HaskellObjective-CPerl
0 likes · 8 min read
Five Programming Languages Likely to Disappear Within the Next 20 Years
Aikesheng Open Source Community
Aikesheng Open Source Community
Feb 17, 2022 · Databases

Understanding MHA Health Check Mechanism and Ping Types for MySQL Failover

The article explains why MHA’s default long‑connection ping cannot detect a hung MySQL instance, introduces three configurable ping_type options (select, connect, insert), shows how to modify the configuration and test the behavior with Perl code and shell scripts, and details the internal health‑check workflow.

Database MonitoringFailoverMHA
0 likes · 12 min read
Understanding MHA Health Check Mechanism and Ping Types for MySQL Failover
Laravel Tech Community
Laravel Tech Community
Jan 3, 2022 · Fundamentals

Five Programming Languages Facing a Bleak Future

The article examines why Visual Basic .NET, Delphi, Perl, Adobe Flash, and Ruby are losing relevance, describing each language's history, the factors that led to their decline, and why they are considered the most endangered programming languages today.

DelphiPerlRuby
0 likes · 5 min read
Five Programming Languages Facing a Bleak Future
Practical DevOps Architecture
Practical DevOps Architecture
Dec 5, 2021 · Databases

Deploying MHA for MySQL High Availability – Part 1

This guide walks through the step‑by‑step deployment of MHA on a MySQL cluster, covering package installation on all nodes, copying and installing the MHA RPMs, creating the required MySQL user, configuring MHA, testing SSH connectivity, and reviewing the failover script.

DatabaseHigh AvailabilityLinux
0 likes · 6 min read
Deploying MHA for MySQL High Availability – Part 1
Code Ape Tech Column
Code Ape Tech Column
Nov 30, 2021 · Operations

Understanding Flame Graphs for Java Performance Analysis

This article introduces flame graphs, explains their visual characteristics and how they help identify performance bottlenecks in Java applications, and provides practical guidance on generating them using Perl scripts and shell commands to process jstack and perf outputs.

JavaPerformance ProfilingPerl
0 likes · 9 min read
Understanding Flame Graphs for Java Performance Analysis
Python Programming Learning Circle
Python Programming Learning Circle
May 8, 2021 · Fundamentals

The Slowest Modern Programming Languages: Perl, PHP, Ruby, and Python

This article examines why dynamic‑typed languages such as Perl, PHP, Ruby, and Python are generally slower than compiled or statically‑typed languages, discusses static versus dynamic typing, and emphasizes that performance issues often stem from implementation choices rather than the languages themselves.

Dynamic TypingPHPPerl
0 likes · 6 min read
The Slowest Modern Programming Languages: Perl, PHP, Ruby, and Python
Aikesheng Open Source Community
Aikesheng Open Source Community
May 8, 2021 · Databases

Analysis of MHA Master Crash Failover Process and Source Code

This article examines the MHA open‑source MySQL high‑availability solution, detailing the master‑crash failover workflow, source‑code analysis, configuration checks, binlog handling, new‑master selection, and slave recovery, and provides a concise step‑by‑step checklist for practitioners.

FailoverHigh AvailabilityMHA
0 likes · 9 min read
Analysis of MHA Master Crash Failover Process and Source Code
Top Architect
Top Architect
Apr 27, 2021 · Operations

Understanding Flame Graphs for Performance Analysis in Java Applications

This article explains the concept, features, and practical usage of flame graphs—including how to generate them from Java thread dumps with Perl scripts—to help developers visualize call‑stack frequencies and quickly identify performance bottlenecks in backend services.

JavaPerformance ProfilingPerl
0 likes · 11 min read
Understanding Flame Graphs for Performance Analysis in Java Applications
Laravel Tech Community
Laravel Tech Community
Dec 29, 2020 · Fundamentals

Five Programming Languages Likely to Disappear Within the Next 20 Years

The article examines why Ruby, Visual Basic, Haskell, Perl, and Objective‑C are losing popularity and argues that without community and vendor support these languages may fade away over the next two decades, while newer languages continue to dominate development.

HaskellObjective-CPerl
0 likes · 7 min read
Five Programming Languages Likely to Disappear Within the Next 20 Years
Aikesheng Open Source Community
Aikesheng Open Source Community
Mar 31, 2020 · Databases

Installing and Using the MySQL Test Framework for Unit, Regression, and Consistency Testing

This guide explains what the MySQL Test framework is, how to set up the required environment on Ubuntu, install dependencies and MySQL source, configure and compile the test suite, and demonstrates creating and running a simple test case with detailed command‑line examples.

BoostLinuxMySQL
0 likes · 8 min read
Installing and Using the MySQL Test Framework for Unit, Regression, and Consistency Testing
Architecture Digest
Architecture Digest
Feb 22, 2020 · Fundamentals

Five Programming Languages Predicted to Die

The article forecasts that Perl, Ruby, Visual Basic.NET, Adobe Flash/AIR (ActionScript), and Delphi's Object Pascal are each facing extinction as developers shift toward newer, more supported programming languages, illustrating the decline with code examples and historical context.

ActionScriptObject PascalPerl
0 likes · 9 min read
Five Programming Languages Predicted to Die
Qunar Tech Salon
Qunar Tech Salon
Jul 27, 2015 · Backend Development

Parsing XML with Perl in Three Lines

This short tutorial shows how to use Perl's XML::Simple module to load an XML file and iterate over its elements with just three lines of code, providing a quick backend solution for XML data extraction.

BackendCodeSnippetParsing
0 likes · 2 min read
Parsing XML with Perl in Three Lines
Architect
Architect
Jul 6, 2015 · Information Security

Building a JavaScript‑Injecting Squid Proxy to Harvest User Data

This article explains how to set up a Linux Squid proxy that injects malicious JavaScript into every served script, captures user input, forces persistent caching, and outlines the severe security risks such as credential theft, financial fraud, DDoS abuse, and full browsing surveillance.

JavaScript InjectionLinuxPerl
0 likes · 6 min read
Building a JavaScript‑Injecting Squid Proxy to Harvest User Data
Baidu Tech Salon
Baidu Tech Salon
Sep 23, 2014 · Fundamentals

Ten Commonly Cited Quirky Features Across Programming Languages

The article surveys ten frequently cited quirky language features—from JavaScript’s “+” string coercion and automatic semicolon insertion, to Perl’s mandatory true module return and cryptic special variables, C’s interchangeable array indexing, PHP’s mixed case sensitivity, Ruby’s truthy zero, Python’s indentation blocks, C’s pointer arithmetic, and Java’s autoboxing with Integer caching—highlighting their surprising behaviors and community frustrations.

C++JavaScriptPerl
0 likes · 10 min read
Ten Commonly Cited Quirky Features Across Programming Languages
Baidu Tech Salon
Baidu Tech Salon
Aug 15, 2014 · Operations

My Journey with Unix: From Motivation to Automation

The author recounts how a university encounter and later work demands led them to master Unix, using tools like awk, Perl, Python and Ruby to automate massive data tasks, teach courses, and champion Ubuntu and other Unix-like systems as essential, productivity‑driving platforms.

AutomationLinuxPerl
0 likes · 7 min read
My Journey with Unix: From Motivation to Automation