August 2019 - Page 42 of 69

Java Ternary Operator — step-by-step Programming tutorial on Progressive Robot

Java Ternary Operator

URL: https://www.progressiverobot.com/java-ternary-operator/ Java ternary operator is the only conditional operator that takes three operands. Java ternary operator is a one liner replacement for if-then-else statement and used a lot in java programming. We can use ternary operator to replace switch also as shown in below example. Java Ternary Operator ![java ternary operator](images/java-ternary-operator-section-1.png) The first operand […]

Read more
How to Audit Linux Security with Lynis on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Audit Linux Security with Lynis on RHEL 7

How to Audit Linux Security with Lynis on RHEL 7 Maintaining a secure Linux server requires more than installing updates and setting strong passwords. A comprehensive security audit reveals configuration weaknesses, missing hardening measures, and potential vulnerabilities before attackers can exploit them. Lynis is an open-source security auditing tool that performs an in-depth scan of […]

Read more
How to validate XML against XSD in Java — step-by-step Programming tutorial on Progressive Robot

How to validate XML against XSD in Java

URL: https://www.progressiverobot.com/how-to-validate-xml-against-xsd-in-java/ Java XML Validation API can be used to validate XML against XSD in java program. javax.xml.validation.Validator class is used in this program to validate xml against xsd in java. Validate XML against XSD ![Validate XML against XSD java, java xml validation, xsd validator java](images/how-to-validate-xml-against-xsd-in-java-section-1.png) Here are the sample XSD and XML files used. […]

Read more
FreeBSD 12 — rubygem-rails — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem-rails — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rails — multiple vulnerabilities Related CVEs: CVE-2007-3227 CVE-2007-6077 CVE-2008-4094 CVE-2012-3463 CVE-2012-3464 CVE-2012-3465 CVE-2012-5664 CVE-2013-0155  +12 more Upstream summary: Ruby on Rails blog: Rails 4.2.5.2, 4.1.14.2, and 3.2.22.2 have been released! […]

Read more
The Transformative Power of Explainable AI in Life Sciences: Understanding Its Impact on Research, Diagnostics and Patient Care

The Transformative Power of Explainable AI in Life Sciences: Understanding Its Impact on Research, Diagnostics and Patient Care

Explainable AI in Life Sciences is rapidly redefining how scientific discovery, clinical research, diagnostics and therapeutic strategies are designed, validated and delivered. Life sciences organizations have long struggled with the complexity of biological systems and the variability of patient responses to treatments. Even when two patients suffer from the same disease, the factors affecting their outcomes can differ significantly. These differences, often rooted in genetics, immunology, environmental exposure or subtle cellular mechanisms, frequently determine whether a therapy will be moderately effective, highly effective or entirely ineffective.

Read more
openSUSE Tumbleweed — python3-Django — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python3-Django — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:1102-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-2512 CVE-2016-2513 Upstream summary: The utils.http.is_safe_url function in Django before 1.8.10 and 1.9.x before 1.9.3 allows remote attackers to redirect users to arbitrary web sites […]

Read more
Common Problems 113624

Windows Server 2016 – Failover cluster node enters repeated quarantine loop – Fix & Prevention (FIX-PREVENTION-2)

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2016 📖 ~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 […]

Read more
CHAT