大约有 45,000 项符合查询结果（耗时：0.0588秒） [XML]
Check if a Postgres JSON array contains a string
...one know how this works in case you need to select an integer instead of a string/text?
– Rotareti
Nov 16 '18 at 1:34
3
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Is there any way in C# to override a class method with an extension method?
... That is sad, in C# so many misleading non-sense methods, like e.g. .ToString() in arrays. It is definitely a needed feature.
– Hi-Angel
Sep 2 '15 at 8:43
...
WaitAll vs WhenAll
...lic class CustomException : Exception
{
public CustomException(String message) : base(message)
{ }
}
static void WaitAndThrow(int id, int waitInMs)
{
Console.WriteLine($"{DateTime.UtcNow}: Task {id} started");
Thread.Sleep(waitInMs);
throw ne...
Android: why is there no maxHeight for a View?
... android:layout_height="wrap_content"
android:text="@string/longText"
android:visibility="visible" />
</ScrollView>
</LinearLayout>
share
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How can I increment a char?
...ng, due to its clear distinction between bytes and unicode. By default, a "string" is unicode, so the above works (ord receives Unicode chars and chr produces them).
But if you're interested in bytes (such as for processing some binary data stream), things are even simpler:
>>> bstr = byt...
Pass data to layout that are common to all pages
...odels will inherit from.
public abstract class ViewModelBase
{
public string Name { get; set; }
}
public class HomeViewModel : ViewModelBase
{
}
Your layout page can take this as it's model.
@model ViewModelBase
<!DOCTYPE html>
<html>
<head>
<meta name="view...
How do you specify the date format used when JAXB marshals xsd:dateTime?
...ation.adapters.XmlAdapter;
public class DateAdapter extends XmlAdapter<String, Date> {
private final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
@Override
public String marshal(Date v) throws Exception {
synchronized (dateFormat) {
...
Set value to null in WPF binding
...comment):
<TextBox Text="{Binding Price, TargetNullValue={x:Static sys:String.Empty}}"/>
sys is the imported xml namespace for System in mscorlib:
xmlns:sys="clr-namespace:System;assembly=mscorlib"
Hope that helped.
...
Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...r.parseInt("123");
This returns an int primitive value after parsing the String.
Integer.valueOf("123");
This is more complex than the others. It starts off by parsing the String. Then, if the value is between -128 and 127, it returns the corresponding object from the static cache. If the va...
How to design RESTful search/filtering? [closed]
... @Nathan I think I misread this answer. I was talking about using query string parameters in a get. You should never use body parameters in a GET call because that would be completely useless. I was talking more about a GET with query string could be used/bookmarked and then at startup of the p...