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Apple Pay入华遇阻 只因BAT太受欢迎? - 资讯 - 清泛网 - 专注C/C++及内核技术
...对自家的口碑网依旧青睐有加。口碑集成了美食、超市、电影、娱乐等本地服务,手机淘宝和支付宝这两款超极APP的导流效果也十分明显。但除外卖服务外,目前的入驻门槛依然比较高。
微信支付:强社交下打法多变
微信支...
What are the advantages of using a schema-free database like MongoDB compared to a relational databa
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MongoDB was featured on FLOSS Weekly this week - http://twit.tv/floss105
A database using a similar concept is CouchDB which was featured on another FLOSS Weekly: http://twit.tv/floss36
I think it's worth listening to those in addition to the links provided by @marcgg
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淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...这种设计思路很好地解决了不刷新页面就能请求到服务端最新的动态数据。
基于时间分片削峰
熟悉淘宝秒杀的都知道,第一版的秒杀系统本身并没有答题功能,后面才增加了秒杀答题,当然秒杀答题一个很重要的目的是为了...
Android studio: new project vs new module
...ontain code that's specific to a device type, such
as Wear OS or Android TV. Android Studio automatically creates module
directories, such as source and resource directories, and a default
build.gradle file appropriate for the device type. Also, Android
Studio creates device modules with rec...
How to customize a Spinner in Android
...item);
spinner.setAdapter(adapter);
R.layout.simple_spinner_item
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/text1"
style="@style/spinnerItemStyle"
android:maxLines="1"
android:layout_width="match_parent"
android:layout_heig...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
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《App Inventor 2 MQTT拓展入门(保姆级教程)》
最新版拓展下载:
de.ullisroboterseite.ursai2pahomqtt.aix
MQTT(Message Queuing Telemetry Transport:消息队列遥测传输)
MQTT 发明于 1999 年,为物联网设计的轻量级协议,基于TCP协议...
How to render a PDF file in Android
...ttps://docs.google.com/gview?embedded=true&url="+LinkTo);
setContentView(mWebView);
}
}
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Difference between android-support-v7-appcompat and android-support-v4
...rt Library (A Support library which provides important widgets for Android TV)
Relevant links
Support Library Features
Support Library Packages
Support Library Features Guide
What is Multidex and what is the use of Multidex Support Library?
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微软VS苹果 桌面操作系统的终极一战 - 创意 - 清泛网 - 专注C/C++及内核技术
...码讯 (钟文泽)7月29日这一天,微软将在全球同步推送最新的桌面操作系统Windows 10,在经历了“就那样”的Windows 8与8.1之后,Windows 10似乎又一次作为这家软件巨头的救命稻草被推上了历史的舞台。与之相对应的,苹果也将在九...
What is the definition of “interface” in object oriented programming
... outputs (display on the screen, sound, etc.). However, when you look at a TV that is not plugged in, you are projecting your expected semantics into an interface. For all you know, the TV could just explode when you plug it in. However, based on its "interface" you can assume that it won't make any...