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Does Java casting introduce overhead? Why?
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There are 2 types of casting:
Implicit casting, when you cast from a type to a wider type, which is done automatically and there is no overhead:
String s = "Cast";
Object o = s; // implicit casting
Explicit casting, when you go from a wider type to a more na...
XDocument.ToString() drops XML Encoding Tag
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Either explicitly write out the declaration, or use a StringWriter and call Save():
using System;
using System.IO;
using System.Text;
using System.Xml.Linq;
class Test
{
static void Main()
{
string xml = @"&l...
'any' vs 'Object'
...nything goes, you are providing no information about what is stored in a - it can be anything! And therefore the transpiler will allow you to do whatever you want with something defined as any.
So in short
any can be anything (you can call any method etc on it without compilation errors)
Object e...
How to get input type using jquery?
...ut type. So if the type is a radio, I need to get which is checked, and if it is a checkbox I need to now which are checked, and if it is a drop down I need to know which is selected, and I if it is a text/textarea I need to know the values.
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Collisions when generating UUIDs in JavaScript?
...uid has a test harness that you can use to test the distribution of hex digits in that code. If that looks okay then it's not Math.random(), so then try substituting the UUID implementation you're using into the uuid() method there and see if you still get good results.
[Update: Just saw Veselin's...
When is an interface with a default method initialized?
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This is a very interesting issue!
It seems like JLS section 12.4.1 ought to cover this definitively. However, the behavior of Oracle JDK and OpenJDK (javac and HotSpot) differs from what's specified here. In particular, the Example 12.4.1-3 from this section ...
How can I completely remove TFS Bindings
...ve all bindings from the solution and project files. (After this you can switch the SCC provider in Tools -> Options -> Source Control -> Plug-in Selection).
The SCC specification prescribes that all SCC providers should implement this behavior. (I only tested it for VSS, TFS and AnkhSVN)
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What is event bubbling and capturing?
...opagation mode determines in which order the elements receive the event.
With bubbling, the event is first captured and handled by the innermost element and then propagated to outer elements.
With capturing, the event is first captured by the outermost element and propagated to the inner elements....
Create Django model or update if exists
...docs.djangoproject.com/en/dev/ref/models/querysets/#get-or-create
For you it could be :
id = 'some identifier'
person, created = Person.objects.get_or_create(identifier=id)
if created:
# means you have created a new person
else:
# person just refers to the existing one
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ASP.NET MVC framework 4.5 CSS bundle does not work on the hosting
I am runing an App on app harbor written in MVC4.
11 Answers
11
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