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Techies Diary

Techies Diary

  • 🔥Tech Trends
  • How To
  • Fixed Issues
  • Tech Wiki
  • Topics
    • Webstories
    • Tools
    • Websites
  • Must Have
    • 30+ Essential Apps for Windows
    • 20+ Excel Formulas (Advanced)
    • 100+ Use of Popular Emojis
  • About Us
    • Contact Us
    • Privacy Policy
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Solved Problems

The “Solved Problems” category on our website provides solutions and explanations to a wide range of problems across various subjects. This includes solutions to mathematical problems, coding challenges, physics problems, and more. Our team of experts has curated this content to provide clear and detailed solutions to these problems. This category is perfect for students, professionals, and anyone looking to improve their problem-solving skills.

How ToSolved Problems
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How to Convert CSV to JSON with Python (Array and JSON Lines)

August 17, 2026

Convert CSV files to a JSON array or newline-delimited JSON using Python’s standard library, with examples for data types, delimiters, encoding, and validation.

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How ToSolved Problems
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How to Troubleshoot DNS with nslookup and dig Commands

August 16, 2026

Learn how to diagnose missing DNS records, resolver failures, propagation delays, timeouts, and DNSSEC problems using nslookup and dig.

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How ToSolved Problems
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Single-Channel vs Dual-Channel RAM: Differences and How to Enable Dual Channel

August 15, 2026

Learn how single-channel and dual-channel RAM differ, how much performance dual channel can add, which motherboard slots to use, and how to verify your memory configuration.

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How ToSolved Problems
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How to Allow Remote Connections to PostgreSQL with pg_hba.conf

August 14, 2026

Configure PostgreSQL to accept secure remote connections by updating listen_addresses, adding a restricted pg_hba.conf rule, opening the firewall, and testing with psql.

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How ToSolved Problems
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How to Fix a USB Microphone Not Detected on Windows 11 or Mac

August 13, 2026

Troubleshoot a USB microphone that is missing, unavailable, or not receiving audio on Windows 11 and macOS with practical hardware, privacy, driver, and input-setting fixes.

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How ToSolved Problems
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How to Check GPU Temperature and Know If It’s Too Hot

August 12, 2026

Learn how to monitor GPU core, hotspot, and memory temperatures on Windows and Linux, understand safe temperature ranges, and fix an overheating graphics card.

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How ToSolved Problems
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How to Set Up Text Replacement Shortcuts on iPhone, iPad, and Mac

August 11, 2026

Create text replacement shortcuts on iPhone, iPad, and Mac to expand short abbreviations into email addresses, standard replies, contact details, and frequently typed phrases.

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How ToSolved Problems
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How to Encrypt a USB Drive on Windows, Mac, and Linux

August 10, 2026

Learn how to password-protect and encrypt a USB drive using BitLocker To Go on Windows, Disk Utility on macOS, or LUKS on Linux, with compatibility and recovery tips.

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How ToSolved Problems
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How to Fix Stuttering in PC Games Even with High FPS

August 9, 2026

PC games can stutter even when the FPS counter looks normal. Use this step-by-step process to diagnose frame-time spikes, configure frame caps and VRR, check drivers, and eliminate background bottlenecks.

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How ToSolved Problems
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How to Enable XMP or EXPO in BIOS for Faster RAM

August 8, 2026

Learn how to enable an XMP or EXPO memory profile in your BIOS, verify the new RAM speed, and recover safely if your computer becomes unstable or fails to boot.

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Solved Problems
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How to Fix “The Default Gateway Is Not Available” in Windows 11 and 10

August 5, 2026

Restore your Windows internet connection by restarting the network, resetting TCP/IP, checking adapter drivers, and correcting gateway or DHCP settings.

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Solved Problems
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How to Fix “The Link You Followed Has Expired” in WordPress

July 31, 2026

Fix “The link you followed has expired” in WordPress when uploading a theme or plugin, submitting a form, or using an outdated admin link.

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