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popcornylu / CLI.md

Last active July 18, 2023 08:05

sc-31723: Comparison summary

The new added output is mark as +

$ piperider compare
...
 [  OK  ]   orders.customer_id                                not_null_orders_customer_id
 [  OK  ]   orders.gift_card_amount                           not_null_orders_gift_card_amount
 [  OK  ]   orders.order_id                                   not_null_orders_order_id
 [  OK  ]   orders.order_id                                   unique_orders_order_id

popcornylu / kubectl-mvpvc

Created August 24, 2019 10:17

Rename or migrate a PVC from one namespace to another

	#!/bin/bash
	set -euo pipefail

	if [[ $# -ne 2 ]]; then
	echo "Usage: kubectl-mvpvc <ns1/pvc1> <ns2/pvc2>"
	exit 1
	fi

	NS_PVC_FROM=$1
	NS_PVC_TO=$2

popcornylu / ThrottlingInvoker.java

Last active June 8, 2016 04:05

Throttle the number of concurrent tasks in a thread pool.

	import java.util.LinkedList;
	import java.util.Random;
	import java.util.concurrent.CompletableFuture;
	import java.util.concurrent.Executor;
	import java.util.concurrent.ExecutorService;
	import java.util.concurrent.Executors;
	import java.util.function.BiConsumer;
	import java.util.function.Supplier;

	public class ThrottlingInvoker{

popcornylu / SQL_Join_Quiz.md

Last active June 4, 2016 16:40

SQL Join Quiz

Questions

來考一下SQL知識

Q1

如果兩個Table，size分別是m跟n，m>0 請問inner join的話最多會產生多少record?

max(m, n)
min(m, n)
m + n

popcornylu / Iterables.java

Created June 4, 2016 16:16

Iterable transformation

	import java.util.function.Function;

	public class Iterables {
	public static <F, T> Iterable<T> map(
	Iterable<F> iterable,
	Function<F, T> mapper)
	{
	return null;
	}
	}

popcornylu / createMacEnv.sh

Created October 20, 2015 02:22 — forked from howie/createMacEnv.sh

	#Referecne:
	# 1. https://gist.github.com/zenorocha/7159780
	# 2.


	#install xcode command tool

	xcode-select --install

	# check

popcornylu / NSString+template.c

Created December 23, 2011 07:59

A very simple template engine for iOS

	#import "NSString+template.h"

	@implementation NSString (template)

	+(NSString)stringWithTemplate:(NSString)template
	fromMap:(NSDictionary*)map
	{
	NSString* retStr = nil;
	NSMutableString* buffer = [NSMutableString new];
	NSScanner* scanner = [[NSScanner alloc] initWithString:template];

popcornylu / NSInvocation+PopcornyLu.h

Created October 28, 2011 09:43

NSInvocation addition to create instance by target, selector, and arguments

	#import <Foundation/Foundation.h>

	@interface NSInvocation (PopcornyLu)
	+ (NSInvocation*) invocationWithTarget:(id)target
	selector:(SEL)selector;

	+ (NSInvocation*) invocationWithTarget:(id)target
	selector:(SEL)selector
	arguments:(id)firstArg, ... NS_REQUIRES_NIL_TERMINATION;
	@end

popcornylu / gist:1071312

Created July 8, 2011 07:31

[ios] Copy sqlite db from main bundle

	NSString* docPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
	NSString* dbPath = [docPath stringByAppendingPathComponent:@"mydatabase.db"];
	NSFileManager *fm = [NSFileManager defaultManager];

	// Check if the database is existed.
	if(![fm fileExistsAtPath:dbPath])
	{
	// If database is not existed, copy from the database template in the bundle
	NSString* dbTemplatePath = [[NSBundle mainBundle] pathForResource:@"mydatabase" ofType:@"db"];
	NSError* error = nil;

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Questions

Q1