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Document Clustering with Python
ASIAN4D membahas apakah pola Toto4D benar-benar ada, bagaimana cara pemain membacanya, serta insight sederhana yang sering dipakai pemain Indonesia.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,225 posts.
3212
Notebooks Are McDonalds of Code
You can come to McDonalds and order a salad, but you won't. Same with notebooks, you can write NASA-production-grade software in a notebook, but most likely you won't. Notebooks make you lazy, and encourage bad practices.
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LedgerStore Supports Trillions of Indexes at Uber
Uber connects the physical and digital worlds to help make movement happen at the tap of a button. Billions of trips, deliveries, and tens of billions of financial transactions across earners, spenders, and merchants are made at Uber every quarter. LedgerStore is an immutable storage solution at Uber that provides…
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Quirks, Caveats, and Gotchas in SQLite
The SQL language is a "standard". Even so, no two SQL database engines work exactly alike. Every SQL implementation has its own peculiarities and oddities, and SQLite is no exception to this rule.
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The economics of a Postgres free tier
Let's look at the numbers behind Xata's free tier. How much does a database cost us and why are we offering them for free.
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Update on InfluxDB Clustering, High Availability and Monetization
InfluxDB clustering is key for high availability and monetization. Clustering and high availability functionality will be available as part of our Influx Enterprise offering. Get a crash course on this topic and also read the newer version as well as u...
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Putting Andrew Ng's OCR models to the test
Testing Andrew Ng's document extraction service reveals over 50% hallucinated values in financial tables. | Pulse AI
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Maintaining sufficient free space with ZFS
TLDR: ZFS free-space reporting is a lagging indicator. Background I use Proxmox VM server backed by a ZFS array of hard drives for various personal infrastructure. I also have security cameras that upload motion-triggered videos to my server (via FTP!). Problem Description I would like to use 90% of my available space…
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Microsoft announces major commitment to Apache Spark
This post was authored by Tiffany Wissner, Senior Director of Data Platform Marketing. This week in San Francisco, thousands of people are at Spark Summit, to explore and understand how they leverage Apache Spark to get the most out of big data.
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Thoughts on PostgreSQL in 2024
A look ahead at some ongoing projects in PostgreSQL in 2024 and beyond
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MariaDB Temporal Data Tables
Complete system-versioned tables: WITH SYSTEM VERSIONING syntax, FOR SYSTEM_TIME AS OF/BETWEEN/ALL queries, and ROW_START/ROW_END columns.
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Scribe: Transporting petabytes per hour via a distributed, buffered queueing
Our hardware infrastructure comprises millions of machines, all of which generate logs that we need to process, store, and serve. The total size of these logs is several petabytes every hour. The o…
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Scientific notation bug in MySQL left AWS WAF vulnerable to SQL injection
We provide around-the-clock threat detection and incident response, backed by expert consulting to keep your organization secure.
3226
Riak 1.2 Officially Released
Nearly three years ago to the day, from a set of green, worn couches in a modest office Cambridge, Massachusetts, the Riak team announced Riak to the world. To say we've come a long way from that first release would be an understatement, and today we’re pleased to announce the release and general a
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Propagation of mistakes in papers
A blog by and for database architects.
3228
Migrating Large Heroku Postgres Instances to AWS Aurora Without Downtime
In this article I discuss a general process I used recently to migrate a large multi-terabyte Heroku Postgres Database from the Heroku Platform to Amazon Aurora Postgres on a live Heroku based application architecture with near zero downtime and builtin failover during the process.
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InfluxDB is now InfluxData, a platform for time series data
Today we're announcing that InfluxDB, the company, is now InfluxData. This is the beginning of delivering on our long-term vision.
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Why do database columns have a character length of 191?
`varchar(191)` is such an odd number - how did we get here?
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ArangoDB 3.2 GA RocksDB, Pregel, Fault-Tolerant Foxx and Satellite Collections
The only enterprise AI data platform that cuts complexity, reduces costs, and gets you to production faster.
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Can GROUP BY still be optimized after all these years?
An optimization that made Pivot significantly faster on GROUP BY queries with a Top-K operator above them, and a walkthrough of how analytical databases run GROUP BY in the first place.
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Postgres as the Substructure for IoT and the Next Wave of Computing
IoT applications generate torrents of data. Learn how - and why - to use TimescaleDB to scale PostgreSQL by 20x and harness its power for IoT.
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Implementing faceted search with Django and PostgreSQL
I’ve added a faceted search engine to this blog, powered by PostgreSQL. It supports regular text search (proper search, not just SQL“like” queries), filter by tag, filter by date, filter …
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Realtime Data Processing at Facebook
Recently there has been a lot of development in realtime data processing systems, including Twitter's Storm and Heron, Google's Millwheel, a...
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Machine Learning: A Love Story
The video from my keynote at Strange Loop 2010 is up! You can watch the video here: Machine Learning: A Love Story The original abstract: Machine learning has come a long way in recent years — from…
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Pandas vs. Julia – cheat sheet and comparison
This is a Python/Pandas vs Julia cheatsheet and comparison. You can find what is the equivalent of Pandas in Julia or vice versa. You can find links to the documentation and other useful Pandas/Julia resources. The table below show the useful links for both: Pandas Julia data analysis