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    <title>İren Saltalı</title>
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    <description>Notes on cloud, code, community &amp; whatever else İren Saltalı — a Turkish computer engineer in Ankara — is curious about that quarter.</description>
    <language>en-GB</language>
    <lastBuildDate>Fri, 17 Apr 2026 12:51:45 GMT</lastBuildDate>
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      <title>Fixing “Invalid Signature” Errors When Uploading an iOS App to App Store Connect</title>
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      <pubDate>Sun, 15 Mar 2026 10:01:19 GMT</pubDate>
      <description>Fix “Invalid Signature” errors when uploading an iOS app to App Store Connect. This guide covers common code signing pitfalls, framework validation issues, and the final root cause: a missing iOS Distribution certificate.</description>
      <category>ios</category><category>mobile</category><category>mobile-app</category>
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      <title>The Complete Guide to AWS API Gateway Rate Limiting &amp; Throttling (2026)</title>
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      <pubDate>Sat, 07 Feb 2026 18:16:54 GMT</pubDate>
      <description>Stop noisy neighbors from crashing your API. This complete guide covers AWS API Gateway throttling, the Token Bucket algorithm, Usage Plans, and when you need to build a custom rate limiter with Redis to overcome native limits.</description>
      <category>aws</category><category>api-gateway</category><category>rate-limiting</category><category>throttling</category><category>serverless</category><category>devops</category><category>cloud-security</category><category>redis</category><category>api-management</category><category>go</category>
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      <title>The 30% Leak: Why Disposable Emails Are Quietly Bankrupting Your SaaS</title>
      <link>https://irensaltali.com/the-30-percent-leak-why-disposable-emails-are-quietly-bankrupting-your-saas/</link>
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      <pubDate>Wed, 28 Jan 2026 15:03:38 GMT</pubDate>
      <description>Is 30% of your user base fake? Discover how disposable emails silently skew SaaS metrics, waste budget, and how to plug the leak immediately.</description>
      <category>api</category><category>security</category><category>saas</category><category>disposable-email-address-dea</category><category>saas-metrics</category><category>churn-rate</category><category>customer-acquisition-cost-cac</category><category>email-validation-api</category>
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      <title>Novakid İnceleme 2026: Çocuğunuz İçin En İyi İngilizce Platformu Mu? (Fiyatlar ve Karşılaştırma)</title>
      <link>https://irensaltali.com/novakid-inceleme-2026-cocugunuz-icin-en-iyi-ingilizce-platformu-mu-fiyatlar-ve-karsilastirma/</link>
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      <pubDate>Sun, 25 Jan 2026 19:36:00 GMT</pubDate>
      <description>Novakid 2026 incelemesi, güncel fiyatlar ve ebeveyn yorumları burada. Novakid mi yoksa italki mi daha iyi? Çocuğunuz için en iyi online İngilizce kursunu karşılaştırmalı olarak inceledik.</description>
      <category>kids</category><category>english-learning</category>
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    <item>
      <title>Comprehensive Study Guide for the AWS Certified AI Practitioner (AIF-C01) Examination</title>
      <link>https://irensaltali.com/comprehensive-study-guide-for-the-aws-certified-ai-practitioner-aif-c01-examination/</link>
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      <pubDate>Sun, 28 Dec 2025 14:24:40 GMT</pubDate>
      <description>Comprehensive Study Guide for the AWS Certified AI Practitioner (AIF-C01) Examination</description>
      <category>aws</category><category>aws-certification</category>
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      <title>Revolutionizing Real-time AI: A Deep Dive into Amazon Managed Apache Flink &amp; Amazon Bedrock</title>
      <link>https://irensaltali.com/revolutionizing-real-time-ai-a-deep-dive-into-amazon-managed-apache-flink-amazon-bedrock/</link>
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      <pubDate>Sun, 28 Sep 2025 13:10:09 GMT</pubDate>
      <description>Learn how Amazon Managed Apache Flink and Amazon Bedrock combine for real-time, AI-powered analytics, safe outputs, and scalable cloud applications on AWS.</description>
      <category>amazon-managed-apache-flink</category><category>amazon-bedrock</category><category>aws</category><category>real-time-analytics</category><category>stream-processing</category><category>generative-ai</category><category>aws-bedrock-guardrails</category><category>data-engineering</category><category>real-time-data</category>
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    <item>
      <title>Fixing the “UNSUPPORTED_METRIC_TYPE_CUMULATIVE_HISTOGRAM” Error</title>
      <link>https://irensaltali.com/fixing-the-unsupported_metric_type_cumulative_histogram-error/</link>
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      <pubDate>Sat, 27 Sep 2025 18:55:01 GMT</pubDate>
      <description>Fix Dynatrace OTLP error UNSUPPORTED_METRIC_TYPE_CUMULATIVE_HISTOGRAM by using DELTA temporality in OTel histograms for accurate metrics.</description>
      <category>opentelemetry</category><category>otel-metrics</category><category>otlp-exporter</category><category>histogram-metrics</category><category>exponential-histogram</category>
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    <item>
      <title>How to Send a Fax From Your Mobile Phone (and Finally Retire the Office Machine)</title>
      <link>https://irensaltali.com/how-to-send-a-fax-from-your-mobile-phone-and-finally-retire-the-office-machine/</link>
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      <pubDate>Tue, 05 Aug 2025 11:23:54 GMT</pubDate>
      <description>Turn your phone into a secure fax machine—scan, sign and send documents worldwide in minutes. Try free fax receiving and more with Send Fax Pro today.</description>
      <category>mobile-app</category><category>fax</category>
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    <item>
      <title>Solving the “Distribution Certificate with Fingerprint Hasn’t Been Imported Successfully” Error in Expo iOS Local Builds</title>
      <link>https://irensaltali.com/solving-the-distribution-certificate-with-fingerprint-hasnt-been-imported-successfully-error-in-expo-ios-local-builds/</link>
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      <pubDate>Tue, 01 Jul 2025 19:21:16 GMT</pubDate>
      <description>Fix the “Distribution certificate hasn’t been imported” error in Expo iOS builds with this step-by-step guide on certificates and Keychain setup.</description>
      <category>apple</category><category>ios</category><category>expo</category><category>react-native</category><category>certificate</category><category>mobile-app</category>
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    <item>
      <title>How To-Do Apps Can Help People with ADHD</title>
      <link>https://irensaltali.com/how-to-do-apps-can-help-people-with-adhd/</link>
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      <pubDate>Tue, 08 Apr 2025 14:52:20 GMT</pubDate>
      <description>Discover how to-do apps can help individuals with ADHD manage tasks, build habits, and boost productivity with features like reminders and focus-enhancing tools.</description>
      <category>adhd</category><category>todo</category><category>mobile</category>
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    <item>
      <title>10 Ways to Maximize Your Day with a To-Do App</title>
      <link>https://irensaltali.com/10-ways-to-maximize-your-day-with-a-to-do-app/</link>
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      <pubDate>Wed, 02 Apr 2025 13:46:52 GMT</pubDate>
      <description>​Discover 10 strategies to enhance productivity using to-do apps, including task prioritization, time blocking, and integrating with other tools.</description>
      <category>adhd</category><category>mobile</category><category>todo</category>
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    <item>
      <title>The Best To-Do Mobile Apps of 2025: Tame Your Chaos Like a Pro</title>
      <link>https://irensaltali.com/the-best-to-do-mobile-apps-of-2025-tame-your-chaos-like-a-pro/</link>
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      <pubDate>Tue, 11 Mar 2025 08:30:10 GMT</pubDate>
      <description>Boost productivity in 2025 with the best to-do apps like Todoist &amp; TickTick. ADHD-friendly features help you focus &amp; conquer chaos. Free tiers available!</description>
      <category>adhd</category><category>mobile</category><category>comparison</category>
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    <item>
      <title>Setting Up EC2 for DeepSeek R1 with Nvidia Drivers and TypingMind Integration</title>
      <link>https://irensaltali.com/setting-up-ec2-for-deepseek-r1-with-nvidia-drivers-and-typingmind-integration/</link>
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      <pubDate>Sat, 25 Jan 2025 10:05:51 GMT</pubDate>
      <description>Set up DeepSeek R1 on AWS EC2 with Nvidia GPUs. This guide covers EC2 setup, installing Ollama and DeepSeek, configuring Nginx, and integrating with TypingMind.</description>
      <category>ai</category><category>deepseek</category><category>aws</category>
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    <item>
      <title>What HN community thinks: &apos;How AI-Assisted Coding Will Change Software Engineering&apos;</title>
      <link>https://irensaltali.com/what-hn-community-thinks-how-ai-assisted-coding-will-change-software-engineering/</link>
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      <pubDate>Wed, 08 Jan 2025 08:01:31 GMT</pubDate>
      <description>Discover community perspectives on AI-assisted coding&apos;s impact on software engineering—unveiling benefits, challenges, and the future of AI in development.</description>
      <category>hacker-news</category><category>ai</category>
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      <title>The Ultimate Guide to Spending Tracking Tools: Comparing Top Options for Managing Your Finances</title>
      <link>https://irensaltali.com/the-ultimate-guide-to-spending-tracking-tools-comparing-top-options-for-managing-your-finances/</link>
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      <pubDate>Sun, 05 Jan 2025 18:40:10 GMT</pubDate>
      <description>Explore and compare the best spending tracking tools—YNAB, Quicken Simplifi, LunchMoney, and more—to effectively manage your personal finances and budgeting.</description>
      <category>comparison</category>
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    <item>
      <title>How to Learn Marketing and Sales as a Solo Entrepreneur: Insights from the Hacker News Community</title>
      <link>https://irensaltali.com/how-to-learn-marketing-and-sales-as-a-solo-entrepreneur-insights-from-the-hacker-news-community/</link>
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      <pubDate>Sun, 05 Jan 2025 15:40:59 GMT</pubDate>
      <description>Solo entrepreneurs: Learn marketing and sales strategies from Hacker News insights. Validate your market, build relationships, and grow your business.</description>
      <category>marketing</category><category>hacker-news</category>
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      <title>My Year in Books: 2024 Reading Journey</title>
      <link>https://irensaltali.com/my-year-in-books-2024-reading-journey/</link>
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      <pubDate>Wed, 01 Jan 2025 14:48:45 GMT</pubDate>
      <description>Discover my 2024 reading journey where I explored 17 books spanning diverse genres. Highlights include &quot;The Richest Man in Babylon&quot; and &quot;İnsan Olmak.&quot; Join me as I reflect on profound lessons and set a goal to read 20 books in 2025. Happy reading!</description>
      <category>book</category>
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      <title>What is Serverless?</title>
      <link>https://irensaltali.com/what-is-serverless/</link>
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      <pubDate>Tue, 15 Oct 2024 15:16:05 GMT</pubDate>
      <description>Explore serverless computing: the cutting-edge cloud technology revolutionizing app development. Learn how serverless works, its benefits, use cases, and top platforms. Discover why developers and businesses are embracing this scalable, cost-effective solution for modern applications.</description>
      <category>serverless</category><category>cloud-computing</category>
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    <item>
      <title>What is Cloud?</title>
      <link>https://irensaltali.com/what-is-cloud/</link>
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      <pubDate>Mon, 14 Oct 2024 15:41:54 GMT</pubDate>
      <description>Discover the essentials of cloud computing: how it works, its benefits, and real-world applications. Learn about IaaS, PaaS, and SaaS, and understand why the cloud is transforming the digital landscape. Perfect for tech enthusiasts and businesses alike.</description>
      <category>cloud-computing</category>
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    <item>
      <title>[TR] Kullanıcı sorgu formatı değişiyor, sorgu sonuç arayüzü değişiyor, artık serp ve anahtar kelime yok, sıralamanın olmadığı yerde sıra takipçileri ne yapabilir?</title>
      <link>https://irensaltali.com/kullanici-sorgu-formati-degisiyor-sorgu-sonuc-arayuzu-degisiyor-artik-serp-ve-anahtar-kelime-yok-siralamanin-olmadigi-yerde-sira-takipcileri-ne-yapabilir/</link>
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      <pubDate>Mon, 05 Jun 2023 00:00:00 GMT</pubDate>
      <description>Bu yazıyı Onur’un tweetime attığı şu cevaptan esinlenerek yazıyorum. Wope.com olarak burada ne yapabiliriz? Öncelikle, yapay zekanın (AI) sahip olduğu bilgi ve bağlantıyı hızlı ve doğru bir şekilde sunabilmesi önem…</description>
      <category>google</category><category>llm</category><category>serp</category>
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      <title>The user query format is changing, the query result interface is changing, no more SERPs and keywords, what can rank trackers do where there is no ranking?</title>
      <link>https://irensaltali.com/the-user-query-format-is-changing-the-query-result-interface-is-changing-no-more-serps-and-keywords-what-can-rank-trackers-do-where-there-is-no-ranking/</link>
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      <pubDate>Mon, 05 Jun 2023 00:00:00 GMT</pubDate>
      <description>First of all, it will be important for artificial intelligence (AI) to be able to present the information and connection it has quickly and accurately. For the moment, we are the ones that parse the…</description>
      <category>seo</category><category>ai</category><category>google</category><category>search-labs</category>
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    <item>
      <title>5 Essential Tips for Upwork Beginners 2021</title>
      <link>https://irensaltali.com/5-essential-tips-for-upwork-beginners-2021/</link>
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      <pubDate>Thu, 20 Apr 2023 00:00:00 GMT</pubDate>
      <description>Upwork is a popular freelancing platform that connects businesses with skilled professionals worldwide. As a freelancer, the ability to work from anywhere with just your computer and internet is one of the most…</description>
      <category>upwork</category><category>freelance</category><category>remote-work</category>
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    <item>
      <title>What is AWS? A Comprehensive Introduction to Amazon</title>
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      <pubDate>Wed, 19 Apr 2023 00:00:00 GMT</pubDate>
      <description>Amazon Web Services (AWS) has become a powerful force in the world of cloud computing. As a comprehensive suite of cloud-based services, it enables businesses and developers to build, deploy, and manage applications and…</description>
      <category>aws</category>
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      <title>Mastering Custom Rate Limiting: AWS API Gateway, Lambda &amp; Redis (ElastiCache)</title>
      <link>https://irensaltali.com/customized-rate-limiting-with-aws-api-gateway-and-elasticache/</link>
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      <pubDate>Thu, 02 Dec 2021 00:00:00 GMT</pubDate>
      <description>Learn how to bypass API Gateway&apos;s throttling limits. A step-by-step guide to building a high-performance, atomic rate limiter using Go, AWS Lambda, and Redis (ElastiCache).</description>
      <category>aws</category><category>api</category><category>elasticache</category><category>rate-limit</category><category>aws-api-gateway-rate-limiting</category><category>custom-api-throttling</category><category>redis-rate-limiter-go</category><category>aws-lambda-redis-connection-pooling</category><category>elasticache-best-practices</category>
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      <title>AWS Lambda — Container Image .NET Benchmark</title>
      <link>https://irensaltali.com/aws-lambda-container-image-net-benchmark/</link>
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      <pubDate>Mon, 08 Mar 2021 00:00:00 GMT</pubDate>
      <description>There were great announcements at AWS re:invent 2020. One of them is the support of container images for AWS Lambda. Besides that, .NET 5 is only available with container images.</description>
      <category>aws</category><category>lambda</category><category>serverless</category><category>benchmark</category><category>container-image</category>
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    <item>
      <title>How I get my first AWS Certificate?</title>
      <link>https://irensaltali.com/how-i-get-my-first-aws-certificate/</link>
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      <pubDate>Tue, 13 Oct 2020 00:00:00 GMT</pubDate>
      <description>I use AWS, Azure, and DigitalOcean for my business for over two years, and also I’m a co-organizer of Cloud and Serverless Turkey community.</description>
      <category>aws-certification</category><category>aws</category><category>cloud-computing</category>
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      <title>Setup Working Environment for Developing Cloudflare Workers Apps</title>
      <link>https://irensaltali.com/setup-working-environment-for-developing-cloudflare-workers-apps/</link>
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      <pubDate>Tue, 26 May 2020 00:00:00 GMT</pubDate>
      <description>I know most of us just want to dive into development when we see new tool or framework. But then there is so many comebacks for things that we need to do at the beginning. In this post I will…</description>
      <category>cloudflare</category><category>workers</category><category>serverless</category>
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      <title>API Mocking with WireMock and JSON Server [Basic]</title>
      <link>https://irensaltali.com/api-mocking-with-wiremock-and-json-server-basic/</link>
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      <pubDate>Mon, 19 Mar 2012 21:13:00 GMT</pubDate>
      <description>There may be an overwhelmingly complex time for development with every new project or feature, especially if you are developing this new thing with a few different roles or teams. On one side, there…</description>
      <category>api</category><category>mock</category><category>json</category>
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