Introduction Today we'll learn about exit() in C++. We know we can break out of loops using the built-in break function in C++. Similarly, we can also break out of a whole C++ program using the exit() function. Think of a situation where you are to come to a conclusion in your program. You get […]
How to Configure Huge Pages for Database Performance on RHEL 7 Database engines — particularly Oracle, PostgreSQL, and MySQL/InnoDB — allocate and manage large memory pools for their buffer caches and shared memory segments. By default, the Linux kernel manages memory in 4 KB pages, which means that a 32 GB database buffer pool requires […]
🟡 Medium ⏱ 5–30 min Last verified: 8 January 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
🟠 High ⏱ 5–30 min Last verified: 8 January 2020 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening […]
Introduction This tutorial covers How to Deploy a Zend Framework Application on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: […]
🟡 Medium ⏱ 10–30 min Last verified: 8 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: tiff — buffer overflow vulnerability Related CVEs: CVE-2004-0803 CVE-2004-0804 CVE-2004-0886 CVE-2004-1308 CVE-2005-1544 Upstream summary: A Gentoo Linux Security Advisory reports: Tavis Ormandy of the Gentoo Linux Security Audit Team discovered […]
URL: https://www.progressiverobot.com/spring-requestmapping-requestparam-pathvariable-example/ @RequestMapping is one of the most widely used Spring MVC annotation. org.springframework.web.bind.annotation.RequestMapping annotation is used to map web requests onto specific handler classes and/or handler methods.  @RequestMapping can be applied to the controller class as well as methods. Today we will look into various usage of this […]
URL: https://www.progressiverobot.com/serialization-in-java/ Serialization in Java was introduced in JDK 1.1 and it is one of the important feature of [Core Java](/community/tutorials/core-java-interview-questions-and-answers "Core Java Interview Questions and Answers"). Serialization in Java  Serialization in Java allows us to convert an Object to stream that […]
URL: https://www.progressiverobot.com/java-records-class/ Java 14 introduced a new way to create classes called Records. In this tutorial, we will learn: Why do we need Java Records How to create Records and use it Overriding and extending Records classes Recommended Reading: [Java 14 Features](/community/tutorials/java-14-features) Why do we need Java Records? One of the common complaints with Java […]
Introduction How to Set Up Yubikey Authentication on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. […]
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