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package spec | |
import ( | |
"encoding/json" | |
"gopkg.in/yaml.v3" | |
) | |
// SingleOrArray holds list or single value | |
type SingleOrArray[T any] []T |
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#!/usr/bin/env bash | |
AWS_CLI="aws --region $AWS_REGION" | |
PRICE=0.2 | |
USER_NAME=#USERNAME# | |
KEY_NAME=#KEY NAME# | |
SECURITY_GROUP_ID=#SECURITY GROUP# | |
SUBNET_ID=#SUBNET# | |
VOLUME_SIZE=40 | |
INSTANCE_TYPE=t2.2xlarge |
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type Post struct { | |
// db tag lets you specify the column name if it differs from the struct field | |
Id int64 `db:"post_id"` | |
Created int64 | |
Title string `form:"Title" binding:"required"` | |
Body string `form:"Body"` | |
UserId int64 `form:"UserId"` | |
Url string | |
} |
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#!/bin/bash | |
# bash generate random alphanumeric string | |
# | |
# bash generate random 32 character alphanumeric string (upper and lowercase) and | |
NEW_UUID=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1) | |
# bash generate random 32 character alphanumeric string (lowercase only) | |
cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 32 | head -n 1 |
L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns
Compress 1K bytes with Zippy ............. 3,000 ns = 3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns = 20 µs
SSD random read ........................ 150,000 ns = 150 µs
Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs
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Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
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// This gist is now maintained on github at https://github.com/luetkemj/wp-query-ref | |
<?php | |
/** | |
* WordPress Query Comprehensive Reference | |
* Compiled by luetkemj - luetkemj.github.io | |
* | |
* CODEX: http://codex.wordpress.org/Class_Reference/WP_Query#Parameters | |
* Source: https://core.trac.wordpress.org/browser/tags/4.9.4/src/wp-includes/query.php | |
*/ |