Como formatar strings no Go
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Creating a Laravel API
APIs make the web go round. Let’s create one from scratch using the popular PHP framework, Laravel. See the main tools required to create Laravel projects and the fastest, most efficient way to create a Laravel API.
Debian 9 – sudo Stops Working Due to Broken Permissions – Emergency Repair
🔴 Critical ⏱ 5–30 min Last verified: 8 July 2020 Affected versions: Debian 9 📖 ~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 & […]
Ubuntu 14.04 LTS Swap Exhaustion Causes OOM Kills
🟡 Medium ⏱ 5–30 min Last verified: 8 July 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 […]
Pandas Rename Column and Index
URL: https://www.progressiverobot.com/pandas-rename-column-index/ Sometimes we want to rename columns and indexes in the Pandas DataFrame object. We can use pandas DataFrame rename() function to rename columns and indexes. It supports the following parameters. mapper: dictionary or a function to apply on the columns and indexes. The 'axis' parameter determines the target axis – columns or indexes. […]
Gentoo Linux — net-vpn/libreswan — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202007-21 Related CVEs: CVE-2020-1763 Upstream summary: As a result of a bug in handling certain bogus encrypted IKEv1, while building a log message that the packet has been dropped, a NULL pointer […]
How To Use Web APIs in PHP 8.0
In this tutorial, you’ll leverage the power of APIs in a basic web application that will retrieve, transform, and display data from the OpenWeather Map API. You’ll build a client for a RESTful API using HTTP POST and GET calls to interact with the server. You’ll start with a basic app before enabling user input and using a Software Development Kit (SDK) to help future-proof the code. The final web application will give users real-time weather information about a city of their choice.
How to Configure SLES 15 for Container Workloads
Introduction This tutorial covers How to Configure SLES 15 for Container Workloads 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: zypper refresh […]
How To Use Bash History Commands and Expansions on a Linux VPS
As you administer servers, you will begin to spend a lot of time on the command line. Most likely, you will be using the bash shell. The bash shell includes a lot of commands and expansion capabilities to take advantage of the input you have typed in the past. In this guide, we will explore how to leverage these feature to better utilize the power of the bash shell.
Como instalar e configurar uma autoridade de certificação (CA) no Debian 10
Uma autoridade de certificação (CA, do inglês Certificate Authority) é uma entidade responsável por emitir certificados digitais para verificar identidades na internet. Embora as CAs públicas sejam uma escolha popular para a…
