大约有 5,000 项符合查询结果（耗时：0.0249秒） [XML]
How to programmatically set drawableLeft on Android button?
...n, @Tigger: I have a problem with this: My filemanager shows folders in a listview with textviews and a folder icon as a drawableLeft. I tried your suggestions here to set a "forbidden icon" when you click in a folder without read permissions, and it works. However, when you change folders and the ...
How to set RelativeLayout layout params in code not in xml?
...rLayout = (RelativeLayout) findViewById(R.id.widget43);
// ListView listView = (ListView) findViewById(R.id.ListView01);
LayoutInflater inflater = (LayoutInflater) this
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// Vie...
BSS段、数据段、代码段、堆与栈 剖析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...－－－－－－－－－－－
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通过汇编文件可以看到，数组inbss 和indata 位于不同的段（inbss 位于bss 段，而indata 位于data 段）
若把test.cpp 中的indata 数组拿掉，查看生成的exe 文件的大小，可以发现，indata 拿掉之后exe 文件的大...
How do I suspend painting for a control and its children?
... That's certainly a useful technique - one which I use quite often for ListViews - but it doesn't actually prevent the redraws from happening; they still happen offscreen.
– Simon
Mar 11 '10 at 9:36
...
How to add Action Bar from support library into PreferenceActivity?
...ewGroup root = (ViewGroup) findViewById(android.R.id.content);
ListView content = (ListView) root.getChildAt(0);
root.removeAllViews();
bar = (Toolbar) LayoutInflater.from(this).inflate(R.layout.settings_toolbar, root, false);
int heigh...
Access parent DataContext from DataTemplate
...rControl>
<UserControl x:Class="AnotherUserControl">
<ListView x:Name="TheSameName">
<ListView.ItemTemplate>
<DataTemplate>
<MyNiceControl Width="{Binding DataContext.Width, ElementName=TheSameName}" />
...
android edittext onchange listener
...Hours) values in my HoursList
public void submit(View view){
ListView TSDateListView = (ListView) findViewById(R.id.hoursList);
String value = ((EditText) TSDateListView.getChildAt(0).findViewById(R.id.tsHours)).getText().toString();
}
}
Hence by using the getChildAt(xx) ...
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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4...
DataTrigger where value is NOT null?
...
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...
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
...）
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...