How To Replace All Instances of a String in JavaScript
Replacing text in strings is a common task in JavaScript. In this article you’ll look at using `replace` and regular expressions to replace text.
Python staticmethod: When and How to Use Static Methods
Learn what a static method is in Python, when to use @staticmethod, and how it differs from class and instance methods
How to Install SQL Server 2014 on Windows Server 2012 R2
How to Install SQL Server 2014 on Windows Server 2012 R2 SQL Server 2014 is a natural pairing with Windows Server 2012 R2, offering AlwaysOn Availability Groups, in-memory OLTP (Hekaton), buffer pool extensions, and enhanced cloud integration with Microsoft Azure. Installing SQL Server 2014 correctly on Windows Server 2012 R2 requires attention to prerequisites, service […]
Python 2与Python 3的对比:从实际出发的考量
Python是可读性很强，并且用途极其多样的编程语言。它的名字是从英国的喜剧团体“Monty Python”受到启发，因此“让Python语言用起来很有趣”对于Python开发团队来说是非常重要的核心目标。易于安装配置、代码风格相对简单直接、有即时的反馈和报错，这些特性让Python成为编程初学者的一个很好选择。 由于Python是一种“多范式”语言-也就是说它支持多种编程样式，包括“脚本”和“面向对象”，因此非常适用于通用编程，用途广泛。在工业界，Python被诸如United Space…
Oracle Linux 8 — prometheus-jmx-exporter — vulnerability — patch and remediation guide (ELSA-2020-4807)
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2020-4807 Related CVEs: CVE-2017-18640 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
How To Use BitTorrent Sync to Synchronize Directories in Ubuntu 12.04
BitTorrent Sync is an application that can configure directory synchronization between servers, desktop computers, and mobile devices. In this guide, we will install and configure syncing between two Ubuntu servers using this tool.
How To use an SPF Record to Prevent Spoofing & Improve E-mail Reliability
A carefully tailored SPF record will reduce the likelihood of your domain name getting fraudulently spoofed and keep your messages from getting flagged as spam before they reach your recipients.
IBM AIX 7.1 — CVE-2020-4668 — vulnerability — patch and remediation guide
🟠 High ⏱ 30–90 min Last verified: 25 May 2026 Affected versions: IBM AIX 7.1 📖 ~4 min read • Source: NVD CVE-2020-4668, IBM Support Bulletin CVE: CVE-2020-4668 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.3, and 6.1.1.0 is vulnerable to cross-site request forgery which could allow an […]
How To Manage Strings in Redis
In Redis, strings are the most basic type of value you can create and manage. This tutorial provides an overview of how to create and retrieve strings, as well as how to manipulate the values held by string keys.
How To Install Piwik on an Ubuntu 12.04 Cloud Server
Piwik is an open-source analytics system, which can be hosted at your cloud sever. It provides a more personalized solution than Google Analytics as it lets you have ownership and more control of your data, shows detailed traffic in real-time, and it has more stylistic graphs to see your data more effectively.
