如何在McOS上检测C++中的按键?

I'm writing an assignment that needs to show some event-driven programming paradigms so I think key press detection should work fine. I've google for some hours and I've found some solutions for Linux

使用pip和easy_安装解决了windows上的pycurl安装问题

SO i think I finally found a fix to this issue. Ive been trying for a long time different commands but i always kept getting Please SPecify --curl....I found a fix that worked for me.Instead of instal

如何使用python代码在jupyter笔记本中保存ipython小部件的状态

I am using ipython widgets in my jupyter notebook. Now when kernel is restarted, the widget state is lost and a message is displayed: “Jupyter widget could not be displayed because the widget state c

如何用Ruby从文件中删除一系列字节?

At binary level I need to remove a range of bytes from a file (overwrite), for example in this range(i..-25) but IO.binread gives me back a value nul because the file is very large (>100MB). i = 1222

安装操作系统外部硬盘

I have acer A515-54G which has 512 SSD on which genuine windows is installed. I have an another harddisk on which ubuntu is installed. when I restart and plugs the hdd and press f12 it gives me 2 opti

找不到n*n矩阵的行列式

I have written the following code to calculate the determinant of a N*N matrix. it works perfectly for the matrix 4*4 and 5*5. but it could not find the determinant of the 40*40 matrix named Z_z. The

如何计算swift4中的路径长度

1.How can I calculate the length of UIbezierPath after use UItouch? 2.Normally UItouch like touchesBegan, touchesMoved and touchesEnded can use to draw many line, after I add some alert function to v

使用具有相同ID的按钮单击时将数据获取到模态

Scenario - I have a page that has job listings, every individual job listing has a button called apply. A modal pops open when you click it, however that modal has no context as to which job the user

doxygen:qgarray::at:绝对索引xxxxxxxxx超出范围

I am using Doxygen to parse Linux kernel (https://github.com/torvalds/linux). After running more than 20 hours, while generating the call graphs, it reports errors: qgarray::at: absolute index xxxxxxx

如何保存我的cardView单击事件状态以保存其颜色,尽管使用了共享首选项

I was implementing Shared Preferences on my android app where i want to save the click on listener event that the cardView colour is changed and stays that way even if the app is killed or restated bu