add slaoi and bloomfilter

content/cards/dev/_index.md

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+---
+title: "Dev"
+description: "Knowledge snippets about dev related topics"
+weight: 10
+---
+

content/cards/dev/bloom-filter.md

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+---
+title: "Bloom Filter"
+date: 2023-10-30
+categories:
+  - "Dev"
+tags:
+  - "Dev"
+references:
+  - name: "ByteByteGo. Bloom Filters. In: Real-world Examples - YouTube [Internet]. 6 Sep 2022 [cited 31 Oct 2023]. Available: https://www.youtube.com/watch?v=V3pzxngeLqw"
+    link: "https://www.youtube.com/watch?v=V3pzxngeLqw"
+    key: "bytebytego_bloomfilter"
+---
+
+Bloom filter returns[^bytebytego_bloomfilter]
+
+- probably yes, or
+- no.
+
+| | element in set | element not in set |
+|----|----|----|
+| bloom filter returns no | ✗ | ✓ |
+| bloom filter returns probably yes | ✓ | ✓ |
+
+## How a Bloom Filter Works
+
+{{< youtube id="V3pzxngeLqw?start=190" >}}
+
+
+[^bytebytego_bloomfilter]: {{< cite key="bytebytego_bloomfilter" >}}

content/cards/dev/sla-slo-sli.md

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+---
+title: "SLA, SLO, SLI"
+date: 2023-10-30
+categories:
+  - "Dev"
+tags:
+  - "Dev"
+references:
+  - name: "Plan your Dataflow pipeline. Google Cloud. Available: https://cloud.google.com/dataflow/docs/guides/plan-pipelines. Accessed 31 Oct 2023."
+    link: "https://cloud.google.com/dataflow/docs/guides/plan-pipelines"
+    key: "gc_pipeline"
+  - name: "McCoy J. SLO Adoption and Usage in Site Reliability Engineering. O’Reilly Online Learning. Available: https://www.oreilly.com/library/view/slo-adoption-and/9781492075370/ch04.html"
+    link: "https://www.oreilly.com/library/view/slo-adoption-and/9781492075370/ch04.html"
+    key: "McCoy_slo"
+published: true
+---
+
+As a person who is interacting with data, it is crucial to understand how the data is delivered.
+
+In the engineering realm, engineers are using the terms Service Level Agreements (SLA), Service Level Objectives (SLO), and Service Level Indicators (SLI), to align on the mutual understanding of the system.
+
+In the data world, it is also crucial to read them whenever they are available.