大约有 3,000 项符合查询结果(耗时:0.0179秒) [XML]

https://bbs.tsingfun.com/thread-2216-1-1.html 

在APP Inventor的BLE组件使用RequestMTU方法之后,发送的字符数依旧限制在2...

...512,,并且读取返回值也是512,然后调用方法WriteString发送字符串,字符串为80字节,但是蓝牙串口只能收到前20个字节的数据,怎么才能一次性发送完字符串呢?求帮助
https://bbs.tsingfun.com/thread-2485-1-1.html 

APP Inventor 空字符串怎么表示? - App应用开发 - 清泛IT社区,为创新赋能!

Q:APP Inventor 空字符串怎么表示? A:文本下的字符串,不填写任何内容,就是空字符串。 详见文档:https://www.fun123.cn/reference/blocks/text.html#string
https://stackoverflow.com/ques... 

Can't Find Theme.AppCompat.Light for New Android ActionBar Support

... You need to do next: File->Import (android-sdk\extras\android\support\v7). Choose "AppCompat" Project-> properties->Android. In the section library "Add" and choose "AppCompat" That is all! Note: if you are using "android:showAsAction" in menu item, ...
https://stackoverflow.com/ques... 

How to connect android emulator to the internet

...Studio, the emulator you need to use is no longer in the ~/Library/Android/sdk/tools folder but in ~/LibraryAndroid/sdk/emulator. If while trying the below solution you get the following message "PANIC: Missing emulator engine program for 'x86' CPU.”, then please refer to https://stackoverflow.com...
https://www.tsingfun.com/it/cpp/654.html 

ATL正则表达式库使用 - C/C++ - 清泛网 - 专注C/C++及内核技术

...库)不同,CATLRegExp并没有在构造函数中提供初始化匹配字符串的方法,而是让使用者通过调用它的Parse()方法,使用正则表达式字符串作为参数,就可以构造出一个我们所需要的用于匹配的类,例如我们需要匹配一种时间格式,...
https://stackoverflow.com/ques... 

Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6

I'm using Xcode 6 Beta 3, iOS 8 SDK. Build Target iOS 7.0 using Swift. Please refer to my problem step by step with screenshots below. ...
https://www.tsingfun.com/it/cpp/2085.html 

MFC中ComboBox控件的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术

... nStartAfter,LPCTSTR lpszItem )//可以在当前所有行中查找指定的字符传的位置,nStartAfter指明从那一行开始进行查找。 int SelectString( intnStartAfter, LPCTSTR lpszItem )//可以选中包含指定字符串的行 二、如何控制Combo Box的下拉长度 1,首先...
https://stackoverflow.com/ques... 

install / uninstall APKs programmatically (PackageManager vs Intents)

...kageManger = context.getPackageManager(); if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) { PackageInstaller packageInstaller = packageManger.getPackageInstaller(); PackageInstaller.SessionParams params = new PackageInstaller.SessionParams( ...
https://www.tsingfun.com/it/tech/660.html 

Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...Start+0x1b 8. dt 对于简单类型,例如整型、浮点型甚至是字符串,windbg可以直接显示出变量的值。但是对于一些复杂类型,例如数组,结构,类呀,那就需要借助另外一个命令dt(display type)了 dt argv Local var @ 0x21fafc Type wchar_t** ...
https://www.tsingfun.com/it/cpp/1434.html 

stl 字符串std::string作为std::map主键key的实例 - C/C++ - 清泛网 - 专注C/C++及内核技术

stl 字符串std::string作为std::map主键key的实例本文通过一个实例介绍std::map字符串作为key的常见用法,并使用find_if实现map按value值查找。代码如下: #include <map> #include <string> #include <algorithm> using namespace std; class map_value_finder {...