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Why C# fails to compare two object types with each other but VB doesn't?
...rict On, VB behaves even stricter than C#: In C#, a == b either triggers a call to SomeType.operator==(a, b) or, if this doesn’t exist, invokes reference equality comparison (which is equivalent to calling object.ReferenceEquals(a, b)).
In VB on the other hand, the comparison a = b always invokes...
What is the exact meaning of Git Bash?
...
Original answer (June 2013)
More precisely, from msygit wiki:
Historically, Git on Windows was only officially supported using Cygwin.
To help make a native Windows version, this project was started, based on the mingw fork.
To make the milky 'soup' of project names more clear, we say l...
When do we have to use copy constructors?
...will be copied), so the first to be destroyed copy sharing the buffer will call delete[] successfully and the second will run into undefined behavior. You need deep copying copy constructor (and assignment operator as well).
Class::Class( const Class& another )
{
stored = new char[strlen(an...
Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC
...is how Roles factor into claims - aren't in claims-based systems roles basically a grouping of claims so that you can mass-assign stuff? eg you can say Bob is in role Marketing and everyone in Marketing has claims CanCreateCustomer, CanViewAdCampaigns
– George Mauer
...
Why do people put code like “throw 1; ” and “for(;;);” in front of json responses? [du
...ld be leaked.
The way that array and object literals cause setters to be called is controversial. Firefox removed the behaviour in version 3.5, in response to publicised attacks on high-profile web sites. However at the time of writing Safari (4) and Chrome (5) are still vulnerable to this.
Anoth...
Chaining multiple filter() in Django, is this a bug?
I always assumed that chaining multiple filter() calls in Django was always the same as collecting them in a single call.
4...
What's the absurd function in Data.Void useful for?
...nction in Data.Void has the following signature, where Void is the logically uninhabited type exported by that package:
...
How to draw a path on a map using kml file?
...Document() throws SAXException {
// Nothing to do
}
/** Gets be called on opening tags like:
* <tag>
* Can provide attribute(s), when xml was like:
* <tag attribute="attributeValue">*/
@Override
public void startElement(String namespaceURI, String localName,
...
Sort Go map values by keys
...1.12+, you can just print a map value and it will be sorted by key automatically. This has been added because it allows the testing of map values easily.
func main() {
m := map[int]int{3: 5, 2: 4, 1: 3}
fmt.Println(m)
// In Go 1.12+
// Output: map[1:3 2:4 3:5]
// Before Go 1.12...
How to make an ImageView with rounded corners?
...
In the v21 of the Support library there is now a solution to this: it's called RoundedBitmapDrawable.
It's basically just like a normal Drawable except you give it a corner radius for the clipping with:
setCornerRadius(float cornerRadius)
So, starting with Bitmap src and a target ImageView, i...