https://github.com/mylxsw/FileWatcher/blob/master/watcher.go Read More
posted @ 2018-09-08 20:15
findumars
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To implement virtual functions, C++ uses a special form of late binding known as the virtual table. The virtual table is a lookup table of functions u Read More
posted @ 2018-09-06 20:10
findumars
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As it turned out this is a special kind of pointer. The this pointer stores the address of the class instance, to enable pointer access of the members Read More
posted @ 2018-09-06 20:09
findumars
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造个简单的轮子倒是不难，但可用性健壮性高到qt这样全世界都在用，就几乎不可能了比如自己写个事件循环实现信号槽，还真不难，我这边的架构里就这么搞了个仿osgi的事件总线嵌入式实时操作系统上能用的大型gui框架，这句话足够日天了，也就qt一家…… qt诞生比mfc还早，基本上是全期压制mfc的，只是亏在 Read More
posted @ 2018-09-06 17:52
findumars
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写C/C++程序最怕出现这样的提示了,还好是在调试环境下显示出来的,在非调试状态就直接崩溃退出. 从上述汇编代码发现在取内存地址 eax+38h 的值时出错, 那说明这个地址非法呗, 不能访问, 一般是访问了空指针引起的. 直接调用QList::append()方法也会出错了, 此时汇编也指向的是在 Read More
posted @ 2018-09-04 23:55
findumars
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