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Binding a list in @RequestParam
...
Or you could just do it that way:
public String controllerMethod(@RequestParam(value="myParam[]") String[] myParams){
....
}
That works for example for forms like this:
<input type="checkbox" name="myParam[]" value="myVal1" />
<input type="checkbox" ...
Why do we need boxing and unboxing in C#?
...off without implied boxing conversions. Casting a value type like List<string>.Enumerator to IEnumerator<string> yields an object which mostly behaves like a class type, but with a broken Equals method. A better way to cast List<string>.Enumerator to IEnumerator<string> wou...
How do I get the parent directory in Python?
...y have to exist. There are a lot of pathname methods that does nothing but string manipulation. To verify if the pathname actually exist requires a disk access. Depends on the application this may or may not be desirable.
– Wai Yip Tung
May 18 '10 at 19:45
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WebView link click open default browser
...WebViewClient(){
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url != null && (url.startsWith("http://") || url.startsWith("https://"))) {
view.getContext().startActivity(
new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
...
Constructor in an Interface?
...at calls each of these constructors.
Or in code:
interface Named { Named(String name); }
interface HasList { HasList(List list); }
class A implements Named, HasList {
/** implements Named constructor.
* This constructor should not be used from outside,
* because List parameter is missin...
Display date/time in user's locale format and time offset
... methods to set it to the date/time you want.
Then the various toLocale…String methods will provide localized output.
Example:
// This would come from the server.
// Also, this whole block could probably be made into an mktime function.
// All very bare here for quick grasping.
d = new D...
How to get CSS to select ID that begins with a string (not in Javascript)?
...bols are actually borrowed from Regex syntax, where ^ and $ mean "start of string" and "end of string" respectively.
See the specs for full information.
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Disable a Button
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I also get an error if I change (_ sender: ) to UIButton . The error reads: Value of type '(UIButton) -> ()' has no member 'isEnabled'
– user9470831
Feb 5 '19 at 4:25
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Java: Check if enum contains a given string?
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This should do it:
public static boolean contains(String test) {
for (Choice c : Choice.values()) {
if (c.name().equals(test)) {
return true;
}
}
return false;
}
This way means you do not have to worry about adding additional enum ...
TypeScript Objects as Dictionary types as in C#
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In newer versions of typescript you can use:
type Customers = Record<string, Customer>
In older versions you can use:
var map: { [email: string]: Customer; } = { };
map['foo@gmail.com'] = new Customer(); // OK
map[14] = new Customer(); // Not OK, 14 is not a string
map['bar@hotmail.com']...