User contributions for David

A user with 5,321 edits. Account created on 14 July 2019.
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  • 04:2804:28, 29 June 2023 diff hist +839 N CompressionCreated page with "Notes on compression ==Lossless== ===Deflate=== This is the compression used by gzip and implemented in the zlib library. Probably the most widely used compression algorithm, it is also commonly used for zip archives. ===LZO=== This focuses on decompression speed. ===LZ4=== Focuses on decompression speed, new and faster than LZO but with worse compression. ===Brotli=== A compression algorithm developed by Google, primarilly to replace gzip in HTTP. It is supported i..." current

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  • 19:1119:11, 8 June 2023 diff hist +22 Kubernetes→‎StatefulSets
  • 19:1019:10, 8 June 2023 diff hist +43 Hashing→‎Perfect Hashing current
  • 19:0319:03, 8 June 2023 diff hist +1,365 N HashingCreated page with "Hashing is a tool to compactly store sparse data (i.e. maps and sets). On average, hashing generally achieves constant-time lookup but can degrade to linear time depending on the data nad the algorithm details. There are two common problems with hashing * Collisions * Cache coherency ==Collision resolution== There are several methods to resolve collisions when implementing hashmaps. Below are some common solutions. Note that in scenarios where performance is of upmost..."

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  • 20:4120:41, 20 February 2023 diff hist +341 N PostfixCreated page with "Postfix is used to send emails on Linux servers.<br> You should set it up so daemons can use mail or sendmail to notify you of issues. See [https://askubuntu.com/questions/1332219/send-email-via-gmail-without-other-mail-server-with-postfix https://askubuntu.com/questions/1332219/send-email-via-gmail-without-other-mail-server-with-postfix]" current

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