大约有 5,000 项符合查询结果（耗时：0.0178秒） [XML]
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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2) 索引
哈希、B树、倒排、bitmap
哈希索引适合综合数组的寻址和链表的插入特性，可以实现数据的快速存取。
B树索引适合于查询为主导的场景，避免多次的IO，提高查询的效率。
倒排索引实现单词到文档映射关系的最佳...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ey Value的数据结构，它很像Javascript中的Object，或是PHP中的数组，在别的语言里叫Dict或Map，Table长成这个样子：
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haoel = {name="ChenHao", age=37, handsome=True}
下面是table的CRUD操作：
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DataTrigger where value is NOT null?
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I'm using this to only enable a button if a listview item is selected (ie not null):
<Style TargetType="{x:Type Button}">
<Setter Property="IsEnabled" Value="True"/>
<Style.Triggers>
<DataTrigger Binding="{Binding ElementName=lvMy...
How to click or tap on a TextView text
... android:layout_height="wrap_content"></LinearLayout>
<ListView android:id="@+id/ListView01" android:layout_width="wrap_content" android:layout_height="wrap_content"></ListView>
<LinearLayout android:id="@+id/LinearLayout02" android:layout_width="wrap_content" and...
Navigation Drawer (Google+ vs. YouTube)
... ActionBarSherlock)
Used menuitem to open the Menu
Added ability to update ListView on main Activity
Added 2 ListViews to the Menu, similiar to Facebook and Google+ apps
Added a AutoCompleteTextView and a Button as well to show examples of implemenation
Added method to allow users to hit the 'back b...
Is there Selected Tab Changed Event in the standard WPF Tab Control
...w triggers ui_Tab_Changed after ui_A_Changed when the item selected in the ListView changes, regardless of TabItem change in the TabControl.
<TabControl SelectionChanged="ui_Tab_Changed">
<TabItem>
<ListView SelectionChanged="ui_A_Changed" />
</TabItem>
<TabItem...
How do I use WPF bindings with RelativeSource?
...used the Find Ancestor to tie to a command in the data context of a parent ListView. The parent has 2 more ListView levels below it. This helped me prevent passing data into each subsequent vm of each ListView's DataTemplate
– Caleb W.
May 6 at 22:14
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Android Facebook style slide
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I wonder if the custom HorizontalScrollView can use with ListView since the official document of HorizontalScrollView mentioned that it will force the ListView to display its entire items.
– shiami
May 3 '12 at 9:33
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getViewTypeCount and getItemViewType methods of ArrayAdapter
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Watch Outttt!!!!
I had to face for a problem implementing a ListView yesterday and it's two types of views for rows got jumbled just after I scroll it. Even though the top voted answer within this thread gives a good general explanation it hasn't highlighted the most important bit of ...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...ey Value的数据结构，它很像Javascript中的Object，或是PHP中的数组，在别的语言里叫Dict或Map，Table长成这个样子：haoel = {name="ChenHao", age=37, handsome=True}复制代码
下面是table的CRUD操作：haoel.website="http://coolshell.cn/"
local age...