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filters on ng-model in an input
...e is with spaces: In AngularJS 1.0.3 ng-model on input automatically trims string, so it does not detect that model was changed if you add spaces at the end or at start (so spaces are not automatically removed by my code). But in 1.1.1 there is 'ng-trim' directive that allows to disable this functio...
Where is the documentation for the values() method of Enum?
...
* Returns the enum constant of this type with the specified
* name.
* The string must match exactly an identifier used to declare
* an enum constant in this type. (Extraneous whitespace
* characters are not permitted.)
*
* @return the enum constant with the specified name
* @throws IllegalArgume...
Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
... in Visual Studio 2017 see the end of this answer)
Consider this code:
String s = null;
Console.WriteLine(s.Length);
This will throw a NullReferenceException in the second line and you want to know why .NET doesn't tell you that it was s that was null when the exception was thrown.
To underst...
returning a Void object
...<T> action) {
return action.execute();
}
you can call it like
String result = executeAction(new Action<String>() {
@Override
public String execute() {
//code here
return "Return me!";
}
});
or, for the void action (note that you're not assigning the r...
Why does the JVM still not support tail-call optimization?
....
Consider the following program:
public class Test {
public static String f() {
String s = Math.random() > .5 ? f() : g();
return s;
}
public static String g() {
if (Math.random() > .9) {
StackTraceElement[] ste = new Throwable().getStackTra...
Difference between shadowing and overriding in C#?
...example:-
public class Foo
{
internal Foo() { }
protected virtual string Thing() { return "foo"; }
}
public class Bar : Foo
{
internal new string Thing() { return "bar"; }
}
To an external inheritor of Bar, Foo's implementation of Thing() remains accesible and overridable. All legal an...
Use of 'use utf8;' gives me 'Wide character in print'
...
Without use utf8 Perl interprets your string as a sequence of single byte characters. There are four bytes in your string as you can see from this:
$ perl -E 'say join ":", map { ord } split //, "鸡\n";'
233:184:161:10
The first three bytes make up your chara...
Convert floats to ints in Pandas?
...ll edit all the floats, so it may be better to convert your FK column to a string, do the manipulation, and then save.
– Ryan G
Jan 22 '14 at 19:30
...
Java resource as file
... a File object
File dir = new File(dir_url.toURI());
// List the directory
String files = dir.list()
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How can I get form data with JavaScript/jQuery?
...s something that returns an array with key-value pairs instead of a single string?
– Bart van Heukelom
Feb 16 '10 at 21:28
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