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Can multiple different HTML elements have the same ID if they're different elements?
...ript, the second ID would then be accessible with document.getElementById (tested on Chrome, FireFox & IE11). You can still select the div using other selection methods, and it's id property will be returned correctly.
Please note this above issue opens a potential security vulnerability in si...
How do you create a dropdownlist from an enum in ASP.NET MVC?
... [System.ComponentModel.Description] attribute.
For example:
public enum TestEnum
{
[Description("Full test")]
FullTest,
[Description("Incomplete or partial test")]
PartialTest,
[Description("No test performed")]
None
}
Here is my code:
using System;
using System.Collections.Gener...
How to get full path of a file?
...
Just tested on 10.9.2, works fine. which readlink /usr/local/opt/coreutils/libexec/gnubin/readlink readlink --version readlink (GNU coreutils) 8.22
– J0hnG4lt
Mar 11 '14 at 22:39
...
Best way to “negate” an instanceof
...c static final Predicate<Object> isInstanceOfTheClass =
objectToTest -> objectToTest instanceof TheClass;
public static final Predicate<Object> isNotInstanceOfTheClass =
isInstanceOfTheClass.negate(); // or objectToTest -> !(objectToTest instanceof TheClass)
if (isNotIn...
How to programmatically send SMS on the iPhone?
... includes messaging for iPod touch and iPad devices, so while I've not yet tested this myself, it may be that all iOS devices will be able to send SMS via MFMessageComposeViewController. If this is the case, then Apple is running an SMS server that sends messages on behalf of devices that don't hav...
setState vs replaceState in React.js
...components are setting their states frequently.
I asserted this with this test case.
If your current state is {a: 1}, and you call this.setState({b: 2}); when the state is applied, it will be {a: 1, b: 2}. If you called this.replaceState({b: 2}) your state would be {b: 2}.
Side note: State isn...
How to get Enum Value from index in Java?
...}
import static junit.framework.Assert.assertEquals;
import org.junit.Test;
public class MonthsTest {
@Test
public void test_indexed_access() {
assertEquals(Months.MONTHS_INDEXED[1], Months.JAN);
assertEquals(Months.MONTHS_INDEXED[2], Months.FEB);
assertEquals(Months.byOrdinal(1)...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...kets from the server.
I spent several days to solve this problem. I have tested many approaches that have been mentioned in different web sites, but non of them worked. Finally I changed my code and found out what was the problem. I'll try to tell you about different approaches and sum them up her...
Convert nullable bool? to bool
... didn't seem to work inside Linq (perhaps it's just VB.NET?) - I have just tested and it does throw an invalid cast exception
– Luke T O'Brien
Mar 9 '17 at 9:38
...
Class method decorator with self arguments?
...f, *f_args, **f_kwargs)
return wrapped
return wrapper
class MyTest(object):
def __init__(self):
self.name = 'foo'
self.surname = 'bar'
@is_match(lambda x: x.name, 'foo')
@is_match(lambda x: x.surname, 'foo')
def my_rule(self):
print 'my_rule : o...