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新浪是如何分析处理32亿条实时日志的？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...时日志分析的价值。为用户做好服务也不是修改几个配置文件，调优几个程序运行参数就能搞定的。为了提供更好的服务，我们在下面三个方向做了努力：
一、提升服务质量
我们首先做了Elasticsearch优化，Hardware Level由于我们...
What is 'Context' on Android?
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Is context object unique for an apk or Android OS? Can an application have two different contexts?
– valijon
Aug 30 '18 at 12:14
add...
SEH stack 结构探索（1）--- 从 SEH 链的最底层（线程第1个SEH结构）说起 -...
...后的堆栈指针（ESP）的值。在我的 VC++ 10.0 版本的 CRT 头文件 except.inc 里找到的定义是:
; exception registration record structure.
__EXCEPTIONREGISTRATIONRECORD struc
prev_structure dd ?
ExceptionHandler dd ?
...
Auto-fit TextView for Android
...e Layout file:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="16dp" >
<com.vj.widgets.AutoResizeTextView
android:layout_width="match_paren...
Why does ContentResolver.requestSync not trigger a sync?
...-8" ?>
<sync-adapter
xmlns:android="http://schemas.android.com/apk/res/android"
android:contentAuthority="com.android.contacts"
android:accountType="com.google"
android:userVisible="true" />
Okay, so what does this do? It tells Android that the sync adapter we've d...
What is the simplest and most robust way to get the user's current location on Android?
...ining/location/retrieve-current.html. But it requires Google Play Services apk to be installed on user device.
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BLE（二）信道&数据包&协议栈格式 - 创客硬件开发 - 清泛IT社区，...
...ation（或者Profile）层面，而GAP则是直接与应用程序或配置文件通信的接口，它实现了如下功能：
定义GAP层的蓝牙设备角色（role）
Broadcaster（广播者）：设备正在发送advertising eventsObserver（观察者）：设备正在接收advertising events...
Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...ng="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/container"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:id="@+id/panel1"
android:layout_widt...
How to use the same C++ code for Android and iOS?
...in the end, the CPP code will become a shared object .so File embed in our APK, and the loadLibrary will load it. Finally, when you call the native method, the JVM will delegate the call to the loaded library.
Now the most strange part of Android integration is the JNI; We need a cpp file as follow...
How to draw a path on a map using kml file?
...
I don't have a standalone sample/apk of that. My sample is tightly integrated into a commercial app I've done. You can get any kml from the google maps web server, just calculate a route, then get the url of that route calculation from the browser, and add &...