July 2020 - Page 10 of 62

Python String isalnum() — step-by-step Python tutorial on Progressive Robot

Python String isalnum()

URL: https://www.progressiverobot.com/python-string-isalnum/ Python string isalnum() function returns True if it's made of alphanumeric characters only. A character is alphanumeric if it's either an alpha or a [number](/community/tutorials/python-numbers). If the string is empty, then isalnum() returns False. !python string isalnum() Python string isalnum() example s = 'HelloWorld2019' print(s.isalnum()) Output: True s = 'Hello World 2019' print(s.isalnum()) […]

Read more
How to Deploy Applications with Docker Compose on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Deploy Applications with Docker Compose on RHEL 7

How to Deploy Applications with Docker Compose on RHEL 7 Docker Compose lets you define and run multi-container applications using a single YAML file. Instead of managing individual docker run commands for each service, you describe the entire application stack — web server, database, cache, message queue — in a docker-compose.yml file and bring everything […]

Read more
How To Use Droplet Tagging with the cloud provider API — step-by-step DevOps tutorial on Progressive Robot

How To Use Droplet Tagging with the cloud provider API

Droplet tagging is a new feature, not yet exposed via the the cloud provider Control Panel, but available to users of the API. This feature allows you to group and locate Droplets by applying tags, as well as initiate actions across all the Droplets with a specific tag. This guide explains basic usage of the feature with cURL.

Read more
Oracle Linux 8 — numpy — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — numpy — vulnerability — patch and remediation guide (ELSA-2019-3704)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3704 Related CVEs: CVE-2019-6446 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Como criar elementos React com o JSX — step-by-step Javascript tutorial on Progressive Robot

Como criar elementos React com o JSX

O autor selecionou a Creative Commons para receber uma doação como parte do programa Write for DOnations. Neste tutorial, você aprenderá como descrever elementos com o JSX. O JSX é uma abstração que permite que…

Read more
Ubuntu 16.04 — xawtv — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — xawtv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 July 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4518-1 Related CVEs: CVE-2020-13696 Upstream summary: Matthias Gerstner discovered that xawtv incorrectly handled opening files. A local attacker could possibly use this issue to open and write to arbitrary files […]

Read more
CHAT