小编jjj*_*jjj的帖子

我正在使用java swing工作计算器,我希望能够通过键盘输入数字和操作.我似乎无法让它工作.

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class Calculator extends JFrame implements ActionListener  {

    JPanel[] row = new JPanel[6];
    JButton[] button = new JButton[23];
    JMenuBar menubar = new JMenuBar();
    JMenu file = new JMenu("File");
    JMenuItem clear = new JMenuItem("Clear");
    JMenuItem exit = new JMenuItem("Exit");


    String[] buttonString = {"7", "8", "9", "+",
            "4", "5", "6", "-",
            "1", "2", "3", "*",
            ".", "/", "C", "?",
            "+/-", "=", "0", "mod", "x^2", "x^y", "?"};
    int[] dimW = {300,45,100,90};
    int[] dimH = {35, …

无论我做什么,我都无法在循环工作时得到这个; 除非我硬编码.

count = 0
value = raw_input('How many?')
print value
while (count <= value):
        print "a"
        count= count + 1

起初我尝试使用命令行参数,使用sys.argv [1]作为值,但我遇到了同样的问题.这看起来很简单,但我不能为我的生活弄清楚我做错了什么.

我正在写一个简单的C程序,我应该用缓冲区溢出来攻击.所以,我不希望在编译时使用任何标志.如何消除使用的默认标志？

# readelf -p .GCC.command.line stack

String dump of section '.GCC.command.line':
  [     0]  stack.c
  [     8]  -D_FORTIFY_SOURCE=2
  [    1c]  -mtune=generic
  [    2b]  -march=i486
  [    37]  -frecord-gcc-switches
  [    4d]  -fstack-protector