hfyeh

LEAK_CHECK_CP=$(grep "definitely lost:" %X86_64_BUILD_DIR_NAME%/leak_check_cp --after-context=2 | tr '\n' ' ' | sed -e 's/^==[0-9]*==\s*//' | sed -e 's/\s*==[0-9]*==\s*/ | /g' | sed -e 's/in\s[0-9]*\sblocks//g')
LEAK_CHECK_EN=$(grep "definitely lost:" %X86_64_BUILD_DIR_NAME%/leak_check_en --after-context=2 | tr '\n' ' ' | sed -e 's/^==[0-9]*==\s*//' | sed -e 's/\s*==[0-9]*==\s*/ | /g' | sed -e 's/in\s[0-9]*\sblocks//g')
LEAK_CHECK_VR=$(grep "definitely lost:" %X86_64_BUILD_DIR_NAME%/leak_check_vr --after-context=2 | tr '\n' ' ' | sed -e 's/^==[0-9]*==\s*//' | sed -e 's/\s*==[0-9]*==\s*/ | /g' | sed -e 's/in\s[0-9]*\sblocks//g')

hfyeh

require 'aws-sdk-s3'
require 'net/http'
require 'pry'
s3 = Aws::S3::Resource.new(region:'ap-northeast-1')

obj = s3.bucket('threal-test').object('only_1_min')
# Replace BucketName with the name of your bucket.
# Replace KeyName with the name of the object you are creating or replacing.

url = URI.parse(obj.presigned_url(:put, expires_in: 3600))

hfyeh

void gemm4x4_vec(float *a, int sa, float *b, int sb, float *c, int sc)
{
// vaddq_f32
// vmulq_f32
// vld1q_f32(a)


	float32x4_t vb[4];
	size_t x, y, k; 
	for(int i=0; i<4; i++){

hfyeh

#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main(){
    // Check float and character size
    if (sizeof(float) != 4){
        printf("Float is not 32 bits on your machine!");
        exit(-1);
    }

hfyeh

#include <stdio.h>
#include <math.h>

int main(){
    float f1 = 2.999999;
    float f2 = 2.9999999;

    printf("floor(f1), 20 digital points: %10.20f\n", floor(f1));
    printf("floor(f2), 20 digital points: %10.20f\n", floor(f2));
}

hfyeh

import qrcode

f = open('qrcode.txt')

for line in f:
    line = line.strip()

    qr = qrcode.QRCode(
        version=4,
        error_correction=qrcode.constants.ERROR_CORRECT_L,

hfyeh

# activerecord-3.0.0/lib/active_record/connection_adapters/mysql_adapter.rb
# Maps logical Rails types to MySQL-specific data types.
def type_to_sql(type, limit = nil, precision = nil, scale = nil)
  return super unless type.to_s == 'integer'

  case limit
  when 1; 'tinyint'
  when 2; 'smallint'
  when 3; 'mediumint'
  when nil, 4, 11; 'int(11)'  # compatibility with MySQL default

hfyeh

# /etc/monit/conf.d/
check process redis-master
  with pidfile "/var/run/redis/redis-master.pid"
  start program = "/usr/local/bin/redis-server /etc/redis/redis-master.conf"
  stop program  = "/usr/local/bin/redis-cli -p 6379 shutdown"
check process redis-slave-1
  with pidfile "/var/run/redis/redis-slave-1.pid"
  start program = "/usr/local/bin/redis-server /etc/redis/redis-slave-1.conf"
  stop program  = "/usr/local/bin/redis-cli -p 6380 shutdown"
check process redis-store

hfyeh

range1 = 0...50_000_000
range2 = 50_000_000...100_000_000
number = 99_999_999
puts "Parent #{Process.pid}"
fork { puts "Child1 #{Process.pid}: #{range1.to_a.index(number)}" }
fork { puts "Child2 #{Process.pid}: #{range2.to_a.index(number)}" }
Process.wait

# time ruby parallel.rb
# parent 20434

hfyeh

user www-data;

# worker數量，與核心數同
worker_processes 4;
pid /run/nginx.pid;

# Number of file descriptors used for Nginx. This is set in the OS with 'ulimit -n 200000'
# or using /etc/security/limits.conf
#一个nginx进程打开的最多文件描述符数目,理论值应该是最多打开文件数（系统的值ulimit -n）与nginx进程数相除,但是nginx分配请求并不均匀,所以建议与ulimit -n的值保持一致.
worker_rlimit_nofile 65535;