报错,如上图 增加: @synthesize executing = _executing ; @synthesize finished = _finished; 如下图: 然后run ,根据报错提示 修改为。。。。 1 _executing = NO;? _finished = NO;? 2 _finished = finish...
分类:
Web程序 时间:
2014-12-22 18:08:29
阅读次数:
218
一般出现标题所示错误的原因在于没有对控件实例化,例如:
在MainWindow.h文件中:
...
private:
QPushButton *pushButton;
...
而在MainWindow.cpp文件中:
...
MainWindow::MainWindow(QWidget *parant):QMainWindow(parent){
pushButton->setTe...
分类:
其他好文 时间:
2014-12-13 15:10:21
阅读次数:
247
I was too optimistic.It is take several days working on the demo.. The intresting thing is when I finished the demo, I understand how people make a ro...
分类:
编程语言 时间:
2014-12-04 00:41:10
阅读次数:
219
在安装的最后一个页面FinishPage中点击Finished然后打开一个网页这个功能貌似很简单,不就是在点击finish按钮给它绑定事件,问题立马解决。在普通的桌面应用程序开发中的确是这样做的,可是这里是InnoSetup这个事件不是你能控制的,所以我们应该换一种思维,点击finish后,相当于程...
分类:
Web程序 时间:
2014-11-25 16:07:16
阅读次数:
273
#include #include // Define a callback to be called when the sound is finished// playing. Useful when you need to free memory after playing.static vo....
分类:
其他好文 时间:
2014-11-24 15:15:46
阅读次数:
191
今天同事在安装GI的时候出现问题,让我帮忙看一下。下面记录如下:
问题现象:
在安装gi的时候执行root.sh报如下错误;
Finished running generic part of root.sh script.
Now product-specific root actions will be performed.
2014-11-18 15:19:34: Checking ...
分类:
移动开发 时间:
2014-11-19 01:55:14
阅读次数:
334
描述In your job at Albatross Circus Management (yes, it's run by a bunch of clowns), you have just finished writing a program whose output is a list of ...
分类:
编程语言 时间:
2014-11-15 18:19:17
阅读次数:
228
这个是发送端注册上的IntentFilter filter = new IntentFilter( Intent.ACTION_MEDIA_SCANNER_STARTED); filter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);这个是...
分类:
其他好文 时间:
2014-11-15 16:49:20
阅读次数:
189
在一开始,理解异步程序的调用顺序会有些困难。比如,下面的程序中,starting会先被打印出来,然后才是finished:
downloadAsync("file.txt", function(file) {
console.log("finished");
});
console.log("starting");
downloadAsync方法在执行之后会立即返回,它只是...
分类:
编程语言 时间:
2014-11-15 10:09:44
阅读次数:
234
描述
In your job at Albatross Circus Management (yes, it's run by a bunch of clowns), you have just finished writing a program whose output is a list of names in nondescending order by length (so that ...
分类:
其他好文 时间:
2014-11-11 19:19:41
阅读次数:
210