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maxjustus / sqlglot_transform.py
Created May 2, 2024 23:01
simple example of using transform with sqlglot to implement custom rewrite rules
from sqlglot import exp, parse_one
expression_tree = parse_one("SELECT a FROM x")
def transformer(node):
if isinstance(node, exp.Column) and node.name == "a":
return parse_one("FUN(a)")
return node
transformed_tree = expression_tree.transform(transformer)
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maxjustus / helm_test.rb
Created March 21, 2024 20:41
require "minitest/autorun"
require 'yaml'
`make test-render`
def flatten_hash(object, current_path = [], result = {})
case object
when Hash
object.each do |key, value|
flatten_hash(value, current_path + [key], result)
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maxjustus / pipe.sh
Created February 21, 2024 20:02
Pipe a continuous stream into a clickhouse table and insert in chunks
./s5cmd ls s3://mybucket/* | parallel --pipe -N 1000 'clickhouse client --query "insert into some_table FORMAT TSVRaw settings async_insert=1"'
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maxjustus / gist:f4fb162ae71ec72934dea575c63730bf
Created November 13, 2023 02:23
column align csv
sed 's/,/,:/g' my_file.csv | column -t -s:
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maxjustus / gbl.rb
Created November 3, 2023 20:11
#!/usr/bin/env ruby
require 'bundler/inline'
begin
gemfile do
source 'https://rubygems.org'
gem 'tty-prompt', '~> 0.23.1', require: false
end
rescue => e
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maxjustus / parmap.go
Created September 13, 2023 00:20
golang parallelMap
func parallelMap[T any, V any](input []T, f func(T) (V, error)) ([]V, error) {
outChan := make(chan V, len(input))
errChan := make(chan error, len(input))
for i, val := range input {
go func(i int, val T) {
out, err := f(val)
if err != nil {
errChan <- err
} else {
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maxjustus / as-source.tsx
Created November 5, 2020 23:37
A stencil functional component for rendering the children element's markup in a <code> element along side the rendered jsx
import { h, ChildNode, FunctionalComponent, FunctionalUtilities } from "@stencil/core";
function vnodeToSource(elem: ChildNode, utils: FunctionalUtilities, output = "", level = 0): string {
if (elem.vchildren) {
let childOutput: string[] = [];
utils.forEach(elem.vchildren, (child) => {
childOutput.push(vnodeToSource(child, utils, output, level + 1));
});
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maxjustus / openssl_tls_1.2.patch
Last active March 15, 2017 20:58 — forked from kriansa/openssl_tls_1.2.patch
Source patch to add support to TLS 1.1 and 1.2 to Ruby 1.9.3
diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c
--- a/ext/openssl/ossl_ssl.c
+++ b/ext/openssl/ossl_ssl.c
@@ -107,6 +107,18 @@
OSSL_SSL_METHOD_ENTRY(TLSv1),
OSSL_SSL_METHOD_ENTRY(TLSv1_server),
OSSL_SSL_METHOD_ENTRY(TLSv1_client),
+#if defined(HAVE_TLSV1_2_METHOD) && defined(HAVE_TLSV1_2_SERVER_METHOD) && \
+ defined(HAVE_TLSV1_2_CLIENT_METHOD)
+ OSSL_SSL_METHOD_ENTRY(TLSv1_2),
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maxjustus / active_record_extensions.rb
Created January 6, 2016 20:08
Little active record extension to make zero downtime column removal a lil more convenient in Rails
# Put this in config/initializers
module ActiveRecord
class Base
def self.removed_columns(*names)
@@removed_columns = Set.new(names.map(&:to_s))
instance_eval do
def columns
cols = super
cols.reject { |col| @@removed_columns.include?(col.name) }
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maxjustus / locking_methods_bench.rb
Last active November 10, 2015 19:50
Benchmark for db locking approaches
require 'benchmark/ips'
carts = 10.times.map { Cart.create! account: Account.first }
carts.each { |cart|
items = Account.first.product_options.sample(5)
items.each { |item| cart.line_items.create product_option_id: item.id, quantity: 1 }
}
def all_at_once(carts, &blk)