大约有 40,000 项符合查询结果（耗时：0.0974秒） [XML]
HTML5 textarea placeholder not appearing
...a for me and many others. In short, the opening and closing tags for the <textarea> element must be on the same line, otherwise a newline character occupies it. The placeholder will therefore not be displayed since the input area contains content (a newline character is, technically, valid c...
Distinct by property of class with LINQ [duplicate]
...
You can use grouping, and get the first car from each group:
List<Car> distinct =
cars
.GroupBy(car => car.CarCode)
.Select(g => g.First())
.ToList();
share
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improve t...
Best way to compare 2 XML documents in Java
...rg/
https://github.com/xmlunit
Example:
public class SomeTest extends XMLTestCase {
@Test
public void test() {
String xml1 = ...
String xml2 = ...
XMLUnit.setIgnoreWhitespace(true); // ignore whitespace differences
// can also compare xml Documents, InputSources, Readers, Di...
Align items in a stack panel?
...
You can achieve this with a DockPanel:
<DockPanel Width="300">
<TextBlock>Left</TextBlock>
<Button HorizontalAlignment="Right">Right</Button>
</DockPanel>
The difference is that a StackPanel will arrange child elements ...
insert vs emplace vs operator[] in c++ map
.... If it does not, it will create a new element inserted in place with default initialization and return a reference to it.
The insert function (in the single element flavor) takes a value_type (std::pair<const Key,Value>), it uses the key (first member) and tries to insert it. Because std::ma...
How to prevent logback from outputting its own status at the start of every log when using a layout
... solution to this problem is to fix the problem (in your case replace the <layout> element with an <encoder> element).
If you for some reason cannot fix the problem, but want to remove the status-information from the console, you can instead configure an alternative StatusListener. Use ...
Android and in TextView
...mber the hex codes. Here's a way to use the named entity in strings.xml:
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE resources [
<!ENTITY nbsp "&#160;"><!-- non-breaking space, U+00A0 -->
]>
<resources>
...
</resources>
This will create the mis...
Add a background image to shape in XML Android
...
Use following layerlist:
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
<item>
<shape android:shape="rectangle" android:padding="10dp">
&l...
Multi-key dictionary in c#? [duplicate]
...ver, I suggest you simply define a tuple as a struct:
public struct Tuple<T1, T2> {
public readonly T1 Item1;
public readonly T2 Item2;
public Tuple(T1 item1, T2 item2) { Item1 = item1; Item2 = item2;}
}
public static class Tuple { // for type-inference goodness.
public stat...
Android Activity as a dialog
... start activity as dialog I defined it like this in AndroidManifest.xml:
<activity android:theme="@android:style/Theme.Dialog" />
Use this property inside your activity tag to avoid that your Dialog appears in the recently used apps list
android:excludeFromRecents="true"
If you want to ...