01 2018 档案

Spring Boot在aop中获取request对象
摘要：doBefore(){ ServetRequestAttrbtes attributes = (ServetRequestAttrbtes）RequestContextHolder.getHttpattributes(); HttpServletRequest request = attributes.getRequest(); } 阅读全文
posted @ 2018-01-22 21:41 413Xiaol 阅读(4057) 评论(0) 推荐(0)
Python实现下载进度
摘要：# encoding:utf-8 import urllib import os def Schedule(a,b,c): ''''' a:已经下载的数据块 b:数据块的大小 c:远程文件的大小 ''' per = 100.0 * a * b / c if per > 100 : per = 100 print '... 阅读全文
posted @ 2018-01-17 22:43 413Xiaol 阅读(991) 评论(0) 推荐(0)
Js算两经纬度间球面距离
摘要：function GetDistance( lat1, lng1, lat2, lng2){ var radLat1 = lat1 * Math.PI / 180.0 var radLat2 = lat2 * Math.PI / 180.0 var a = (lat1 - lat2) * Math.PI / 180.0; var b = (lng1 - ln... 阅读全文
posted @ 2018-01-14 20:15 413Xiaol 阅读(240) 评论(0) 推荐(0)
Python利用subprocess起进程
摘要：from multiprocessing import Process, Pool import time import subprocess def task(msg): print 'hello, %s' % msg time.sleep(1) def test_pool(): pool = Pool(processes=4) for x in ran... 阅读全文
posted @ 2018-01-14 20:13 413Xiaol 阅读(152) 评论(0) 推荐(0)
Python线程包装器
摘要：import threading import subprocess import time def need_thread(func, *args, **kwargs): def fun(): print "sub:" + str(threading.current_thread().ident) time.sleep(1) sub... 阅读全文
posted @ 2018-01-14 20:11 413Xiaol 阅读(128) 评论(0) 推荐(0)
Python通过fork的方式防止僵尸进程
摘要：import subprocess import os import sys import platform def fock_new(func): def inner(*args, **kwargs): if 'Linux'.__eq__(platform.system()): print "main process start" ... 阅读全文
posted @ 2018-01-11 20:43 413Xiaol 阅读(497) 评论(0) 推荐(0)
JS单例
摘要：s = (function S(){ var bean; function get(){ if(bean){ return bean }else{ bean = T(); return bean; ... 阅读全文
posted @ 2018-01-02 20:18 413Xiaol 阅读(155) 评论(0) 推荐(0)
Python判断网络是否可以访问
摘要：import urllib url = "http://www.baidu.com" try: status = urllib.urlopen(url).code print status except: print {'result': 'false', 'msg': 'URL cannot access'} 阅读全文
posted @ 2018-01-02 20:16 413Xiaol 阅读(5222) 评论(0) 推荐(0)
Python获取主机名
摘要：import socket print socket.gethostname() 阅读全文
posted @ 2018-01-02 20:15 413Xiaol 阅读(3464) 评论(0) 推荐(0)
CSS让一个元素一闪一闪的
摘要：.heart{ animation:heart 1s ease infinite; } @keyframes heart { 0% {opacity:0.1;} 100%{opacity:1;} } 阅读全文
posted @ 2018-01-02 20:14 413Xiaol 阅读(1782) 评论(0) 推荐(0)