Ruby strings have many built-in methods that make it easy to modify and manipulate text, a common task in many programs. In this tutorial, you’ll use string methods to determine the length of a string, index and split strings to extract substrings, add and remove whitespace and other characters, change the case of characters in strings, and find and replace text. When you’re done, you’ll be able to incorporate these methods into your own programs.
How to Install Go and Build CLI Tools on RHEL 7 Go (also known as Golang) is a statically typed, compiled language developed by Google that has become a popular choice for building command-line tools, system utilities, microservices, and cloud-native applications. Its fast compilation times, straightforward toolchain, and ability to produce single, self-contained binaries make […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2022:2002 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟢 Low ⏱ 5–15 min Last verified: 2 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2006-1356 Upstream summary: Stack-based buffer overflow in the count_vcards function in LibVC 3, as used in Rolo, allows user-assisted attackers to execute arbitrary code via a vCard file […]
Melissa Anderson escribió una versión anterior de este tutorial. MongoDB, también conocido como Mongo, es una base de datos de documentos de código abierto usada comúnmente en…
🟢 Low ⏱ 5–15 min Last verified: 2 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-9432 Upstream summary: Document Liberation Project libstaroffice before 2017-04-07 has an out-of-bounds write caused by a stack-based buffer overflow related to the DatabaseName::read function in lib/StarWriterStruct.cxx. Table of […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:1609 Related CVEs: CVE-2020-29361 CVE-2020-29362 CVE-2020-29363 Upstream summary: The p11-kit packages provide a mechanism to manage PKCS#11 modules. The p11-kit-trust subpackage includes a PKCS#11 trust module that provides certificate anchors and black […]
🟠 High ⏱ 15–60 min Last verified: 2 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2012-6426 CVE-2019-12046 CVE-2019-13031 CVE-2019-15941 CVE-2019-19791 CVE-2020-16093 CVE-2020-24660 CVE-2021-35472 +11 more Upstream summary: LemonLDAP::NG before 1.2.3 does not use the signature-verification capability of the Lasso library, which allows remote […]
The MERN stack consists of MongoDB, Express, React / Redux, and Node.js. The MERN stack is one of the most popular JavaScript stacks for building modern single-page web applications.
🟠 High ⏱ 15–60 min Last verified: 2 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2001-1534 CVE-2002-0392 CVE-2002-0654 CVE-2002-0661 CVE-2002-0840 CVE-2002-1156 CVE-2002-1592 CVE-2002-1593 +12 more Upstream summary: mod_usertrack in Apache 1.3.11 through 1.3.20 generates session ID's using predictable information including host IP address, […]
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