小编use*_*967的帖子

我编译以下代码,但我在Visual Studio中得到一个我无法理解的编译错误.

#include <iostream>

using namespace std;

int main()
{
    int matchCount, findResult;
    long childPID;
    string userInput = "blank";

    // string to be searched through
    string longString = "The PPSh-41 is a Soviet submachine gun designed by Georgi Shpagin as an inexpensive, simplified alternative to the PPD-40.";

    while (userInput.compare("!wq"));
    {
        // reset variables for reuse
        matchCount = 0;
        findResult = -1;

        cout << "Please enter a word/s to search for (!wq to exit): "; // prompts user for string to …

我在 pycharm 中有以下 python 代码：

# search for files or folders with two or more adjacent spaces
def twoplusspaces(path):

    srchr = os.scandir(path) # get our iterator

    # iterate through folders and files looking for adjacent blank spaces
    for entry in srchr:
        if "  " in entry.name:
            print(entry.name) # print name of file/folder with 2+ spaces
        if entry.is_dir():
            twoplusspaces(path + "\\" + entry.name) # recursive call when folder encountered

    srchr.close() # done using iterator

这按预期工作正常，但 pycharm 警告我entry.name和entry.is_dir()的“未解析的属性引用”。我觉得这很奇怪，因为Python文档说这些属性存在于由scandir()返回的DirEntry对象中：https ://docs.python.org/3/library/os.html#os.DirEntry

看起来我的 pycharm …

出于某种原因,"Java Text"JLabel并不居中.我已经查找了如何做到并看到了各种各样的例子,最有希望的是http://www.java2s.com/Code/Java/Swing-JFC/AsimpledemonstrationoftextalignmentinJLabels.htm但是它不起作用.如果您希望自己使用一些代码内注释来运行它,那么这是完整的代码,因此您不必费心搜索整个代码:

            import java.awt.BorderLayout;
            import java.awt.Color;
            import java.awt.Font;
            import java.awt.GridLayout;
            import java.awt.event.ActionEvent;
            import java.awt.event.ActionListener;

            import javax.swing.ButtonGroup;
            import javax.swing.JCheckBox;
            import javax.swing.JComboBox;
            import javax.swing.JFrame;
            import javax.swing.JLabel;
            import javax.swing.JPanel;
            import javax.swing.JRadioButton;
            import javax.swing.SwingConstants;

            public class FontViewer
            {
                static JCheckBox checkBoxBold;
                static JCheckBox checkBoxItalic;
                static JCheckBox checkBoxCenter;
                static JPanel textPanel;
                static JLabel textLabel;
                static JComboBox fontName;
                static JComboBox fontSize;
                static JRadioButton redButton;
                static JRadioButton whiteButton;
                static JRadioButton blueButton;


                static ActionListener listener;

                public static void main(String[] args)
                {
                    final int FRAME_SIZE_X = 250; …