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高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...group的基本轮廓：
一个group提供对外的接口（废话否则怎么存取数据），group的底层可以是实际的File System，甚至是HDFS。Group Master和Group Slave可以共享同一个File System（用于不能丢数据的强一致性系统），也可以分别指向不同的...
Change application's starting activity
...fying the intent filters is not enough. The intent filters are used if the APK is executed directly by the user, but if the APK is executed by Eclipse, that installs it, tries to launch a specific activity. This specific activity is specified in "Project properties" (right click on the project) ->...
What is “android.R.layout.simple_list_item_1”?
...imple_list_item_1:
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/text1"
style="?android:attr/listItemFirstLineStyle"
android:paddingTop="2dip"
android:paddingBottom="3dip"
android:layout_width="fill_parent"
android:layout_hei...
How to securely store access token and secret in Android?
...d decrypt the tokens but it is easy for an attacker to just decompile your apk and classes and get the encryption key.
What's the best method to securely store these tokens in Android?
...
绘画动画组件 · App Inventor 2 中文网
...灵 和 图像精灵 的区别在于：图像精灵可以通过设置图像文件改变它的外观；
而球形精灵的外观只能改变其画笔颜色 和 半径 属性。
属性
启用
控制球形精灵在其速度非零时是否移动。
方向
球形精灵 在 x 轴方向上以度...
Android Drawing Separator/Divider Line in Layout?
...t your need):
<ImageView
xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@android:drawable/divider_horizontal_dark"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:scaleType="fitXY"
android:paddingLeft="5dp"
andr...
How to transfer some data to another Fragment?
...st Fragment.
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/activity_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingB...
To draw an Underline below the TextView in Android
..._underline.xml):
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:top="-10dp"
android:left="-10dp"
android:right="-10dp">
<shape android:shape="rectangle">
<solid android:color="@android:color/transparent"/>
...
菜单的背景颜色 - C/C++ - 清泛网 - 专注C/C++及内核技术
...nu->GetSubMenu(0);//获得子菜单（如果有）0表示索引，对应“文件”菜单
for(int i=0;i<3;i++)
{
CBitmap bmp;
bmp.LoadBitmap(IDB_BITMAP1+i);
pSubMenu->SetMenuItemBitmaps(i,MF_BYPOSITION,&bmp,&bmp);
bmp.Detach();
}
CBitmap bmp;
CBrush m_BKBrush;
bmp.Load...
Fade In Fade Out Android Animation in Java
...encoding="utf-8"?>
<alpha xmlns:android="http://schemas.android.com/apk/res/android"
android:fromAlpha="1.0"
android:toAlpha="0.0"
android:duration="1000"
android:repeatCount="infinite"
android:repeatMode="reverse"
/>
Quick and easy way to quickly do a fade...