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for(int i=0;i<100;i++){ Object obj = new Object(); } Object obj; for(int i=0;i<100;i++){ obj = new Object(); }以上分别为在循环里与循环外new对象。在循环里就相当于为100个引用了100个对象分配内存,直到内存不足会被GC释放。在循环外使用1个引用分别100次调用了...
0x0前言Weevely is a stealth PHP web shell that simulate telnet-like connection. It is an essential tool for web application post exploitation, and can be used as stealth backdoor or as a web shell to...
import os import time def main(): i = 0 while i < 1000: res = "raspistill -t 1 -o img/"+str(i)+".jpg" # os.system(res) print(res) i +...
[转]https://note.youdao.com/share/?id=4ed1687d752255b2f44b34bab3c719a8&type=note#/CMD下输入:py -m pip install pyinstaller,安装pyinstaller。在要制作的exe文件目录输入pyinstaller -F -w *.py,就可以制作出exe。生成的文件放在同目录dist下。-F...
#!/bin/python import os import time import commands ##开启frp def start(): os.system('/home/pi/frp/frpc -c /home/pi/frp/frpc.ini > /dev/null 2>&1 &') ##检查是否运行frp def state(): ...