大约有 23,000 项符合查询结果（耗时：0.0467秒） [XML]
The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
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Try adding a string for the name of your dropdown list as the first parameter, and get the item out of your viewdata:
<%= Html.DropDownList("SomeDropdownName", (IEnumerable<SelectListItem>)ViewData["basetype"]) %>
Here is ...
The Guava library: What are its most useful and/or hidden features? [closed]
...ially used it for collections shorthands. For example, instead of:
Map<String, Map<Long, List<String>>> map = new HashMap<String, Map<Long, List<String>>>();
you can do this:
Map<String, Map<Long, List<String>>> map = Maps.newHashMap();
It'...
Redirect From Action Filter Attribute
...Action from the filter.
public new RedirectToRouteResult RedirectToAction(string action, string controller)
{
return base.RedirectToAction(action, controller);
}
Then your filter would look something like:
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
var...
Unknown column in 'field list' error on MySQL Update query
...n I was confused and used double quotes instead of single quotes around my strings.
– tripleee
Mar 21 '18 at 13:18
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Split data frame string column into multiple columns
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Use stringr::str_split_fixed
library(stringr)
str_split_fixed(before$type, "_and_", 2)
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java.io.Console support in Eclipse IDE
...stem.out instead of Console when using Eclipse. For example, instead of:
String line = System.console().readLine();
You can use:
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
String line = bufferedReader.readLine();
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Get spinner selected items text?
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Spinner spinner = (Spinner)findViewById(R.id.spinner);
String text = spinner.getSelectedItem().toString();
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Round a double to 2 decimal places [duplicate]
... want to use BigDecimal. And while at it, use the constructor that takes a String, never the one taking double. For instance, try executing this:
System.out.println(new BigDecimal(1.03).subtract(new BigDecimal(0.41)));
System.out.println(new BigDecimal("1.03").subtract(new BigDecimal("0.41")));
S...
(this == null) in C#!
...{
// Methods
public Derived()
{
base..ctor(new Func<string>(Program.Derived.<.ctor>b__0));
return;
}
[CompilerGenerated]
private static string <.ctor>b__0()
{
string CS$1$0000;
CS$1$0000 = CS$1$0000.CheckNull();
Label...
How to match, but not capture, part of a regex?
I have a list of strings. Some of them are of the form 123-...456 . The variable portion "..." may be:
7 Answers
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