https://www.youtube.com/playlist?list=PLKK11Ligqitg9MOX3-0tFT1Rmh3uJp7kA
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# Chapter 1 | |
###### p1 | |
- Reason for storage engine architecture is to separate query processing and data | |
storage & retrieval | |
###### p4 | |
- two lock types: shared locks, exclusive locks (read locks, write locks) - lock granularity is customizable in MySQL | |
- table locks - lowest overhead | |
- READ LOCAL - table lock, allows some types of concurrent write ops |
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// // https://twitter.com/settings/your_twitter_data/twitter_interests | |
// Lots of discussion and improvement of the original script in the comments | |
// Here's the best version that works well | |
// Because Twitter stops the script working after unchecking 50 interests, so you will almost certainly have to run the script multiple times | |
function sleep(milliseconds) { | |
return new Promise(function (resolve) { | |
return setTimeout(resolve, milliseconds); | |
}); |
I often get asked which tools are good to use for securing your AWS infrastructure so I figured I'd write a short listof some useful Security Tools for the AWS Cloud Infrastructure.
This list is not intended be something completely exhaustive, more so provide a good launching pad for someone as they dig into AWS and want to make it secure from the start.
This section focuses on tools and services provided by the community and released as open-source.
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<style> | |
body{margin:0;width:100%;height:100%} body,td,input,textarea,select{font-family:arial,sans-serif} input,textarea,select{font-size:100%} #loading{position:absolute;width:100%;height:100%;z-index:1000;background-color:#fff} .msg{ color: #757575; font: 20px/20px Arial, sans-serif; letter-spacing: .2px; text-align: center } #nlpt{ animation: a-s .5s 2.5s 1 forwards; background-color: #f1f1f1; height: 4px; margin: 56px auto 20px; opacity: 0; overflow: hidden; position: relative; width: 300px } #nlpt::before{ animation: a-lb 20s 3s linear forwards; background-color: #db4437; content: ''; display: block; height: 100%; position: absolute; transform: translateX(-300px); width: 100% } @keyframes a-lb{ 0%{transform:translateX(-300px)}5%{transform:translateX(-240px)}15%{transform:translateX(-30px)}25%{transform:translateX(-30px)}30%{transform:translateX(-20px)}45%{transform:translateX(-20px)}50%{transform:translateX(-15px)}65%{transform:translateX(-15px)}70%{transform:translateX(-10px)}95%{transform:translateX(-1 |
localhost:9200/_cat/indices?pretty
- https://www.elastic.co/blog/found-elasticsearch-from-the-bottom-up
- https://www.elastic.co/blog/found-sizing-elasticsearch
- shard: https://aws.amazon.com/blogs/database/get-started-with-amazon-elasticsearch-service-how-many-shards-do-i-need/
- https://www.codementor.io/ashish1dev/getting-started-with-elasticsearch-du107nett
A non-exhaustive list of WebGL and WebGPU frameworks and libraries. It is mostly for learning purposes as some of the libraries listed are wip/outdated/not maintained anymore.
Name | Stars | Last Commit | Description |
---|---|---|---|
three.js | ![GitHub |
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package com.example; | |
import org.apache.spark.sql.Dataset; | |
import org.apache.spark.sql.SparkSession; | |
import org.apache.spark.sql.catalyst.encoders.ExpressionEncoder; | |
import scala.runtime.AbstractFunction1; | |
import java.util.Arrays; | |
import java.util.function.Function; |
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function bns() { | |
// Sample input | |
spot = 8400; | |
strike = 8600; | |
expiry = "2016-12-01 23:59:00"; | |
volt = 18; | |
int_rate = 7; | |
div_yld = 0; | |
//Validation |
----- Tech -----
拡張現実【かくちょうげんじつ】 augmented reality, AR
投資家【とうしか】 investor
静的【せいてき】 static
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