大约有 30,000 项符合查询结果（耗时：0.0729秒） [XML]
The ViewData item that has the key 'MY KEY' is of type 'System.String' but must be of type 'IEnumera
...
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 ...
How do I serialize a C# anonymous type to a JSON string?
..., Age = 30};
JavaScriptSerializer serializer = new JavaScriptSerializer();
string json = serializer.Serialize(obj);
Namespace: System.Web.Script.Serialization.JavaScriptSerializer
share
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improve ...
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'...
Does anyone beside me just NOT get ASP.NET MVC? [closed]
... and implementing the Model View Controller design pattern without all the extra work that normally takes place in an implementation of this pattern.
If you want control, clean code, and to use MVC design patterns, this is for you, if you don't like working with markup, don't care about how malform...
Why do x86-64 systems have only a 48 bit virtual address space?
... is required. Why bother with the cost and hardware complexity of all the extra pins that you won't use?
The Motorola 68000 was like this; 32 bit internally, but with a 23 bit address bus (and a 16 bit data bus). The CPU could access 16 megabytes of RAM, and to load the native data type (32 bits)...
How to use Swift @autoclosure
...his is Swift 3):
func print(_ item: @autoclosure () -> Any, separator: String = " ", terminator: String = "\n") {
#if DEBUG
Swift.print(item(), separator:separator, terminator: terminator)
#endif
}
When you say print(myExpensiveFunction()), my print override overshadows Swift's pri...
How to get existing fragments when using FragmentPagerAdapter
...y FragmentPagerAdapter
switch (position) {
case 0:
String firstTag = createdFragment.getTag();
break;
case 1:
String secondTag = createdFragment.getTag();
break;
}
// ... save the tags somewhere so you can reference them lat...
Excel “External table is not in the expected format.”
..." typically occurs when trying to use an Excel 2007 file with a connection string that uses: Microsoft.Jet.OLEDB.4.0 and Extended Properties=Excel 8.0
Using the following connection string seems to fix most problems.
public static string path = @"C:\src\RedirectApplication\RedirectApplication\301s...
RESTful Authentication via Spring
..., ServletException {
@SuppressWarnings("unchecked")
Map<String, String[]> parms = request.getParameterMap();
if(parms.containsKey("token")) {
String token = parms.get("token")[0]; // grab the first "token" parameter
// validate the token
...
How to implement a custom AlertDialog View
...ntent"
android:layout_height="wrap_content"
android:text="@string/show_password"
android:id="@+id/show_password_checkbox"
android:layout_gravity="left|center_vertical"
android:checked="false"/>
</LinearLayout>
...