February 2020 - Page 14 of 64

How to Style Education & Skills Section with CSS – Two-Column Tables Tutorial 2025–2026

How to Style Education & Skills Section with CSS – Two-Column Tables Tutorial 2025–2026

Learning how to style education & skills section with CSS is a key step in turning your portfolio or resume website into a complete professional showcase — this section highlights your academic background, certifications, and technical/personal abilities, giving recruiters and visitors quick insight into your qualifications. In this hands-on guide (Section 5 of our full HTML CSS website project series), you’ll recreate the demonstration site’s “Education” and “Skills” section using pure HTML tables and CSS classes: two side-by-side columns (education history on left, skills with star ratings on right), clean white backgrounds, proper spacing, and responsive stacking on mobile.

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Binary Search Tree (BST) - Search Insert and Remove — step-by-step Programming tutorial on Progressive Robot

Binary Search Tree (BST) – Search Insert and Remove

In this tutorial, we'll be discussing the Binary Search Tree Data Structure. We'll be implementing the functions to search, insert and remove values from a Binary Search Tree. We'll implement these operations recursively as well as iteratively. Binary Search Tree A Binary Search tree has the following property: All nodes should be such that the […]

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Common Problems 121102

Debian 10 – time synchronization fails causing TLS and auth errors

  • February 23, 2020
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 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 Related Errors & […]

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Common Problems 118595

sudo: unable to resolve host on Ubuntu 16.04

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 […]

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openSUSE Tumbleweed — libofx — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libofx — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 23, 2020
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:2045-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-14731 CVE-2017-2816 Upstream summary: ofx_proc_file in ofx_preproc.cpp in LibOFX 0.9.12 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) […]

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Common Problems 118076

Ubuntu 18.04 LTS – Docker daemon fails after kernel update with cgroup issues – Fix & Prevention

  • February 23, 2020
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 18.04 LTS 📖 ~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 […]

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How to Install pgAdmin 4 on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install pgAdmin 4 on FreeBSD 12

  • February 23, 2020
  • FreeBSD
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Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install pgadmin 4 on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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Common Problems 113628

Windows Server 2012 R2 — MSU install fails with architecture mismatch on Server Core host — Fix & Prevention

🟢 Low   ⏱ 5–30 min  Last verified: 05 June 2027 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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Common Problems 113612

Windows Server 2012 R2 PerfMon Shows High Split IO per Sec on Misaligned Virtual Disks – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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