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Why is list initialization (using curly braces) better than the alternatives?
... integer value cannot be converted to a floating-point type.
Example:
void fun(double val, int val2) {
int x2 = val; // if val==7.9, x2 becomes 7 (bad)
char c2 = val2; // if val2==1025, c2 becomes 1 (bad)
int x3 {val}; // error: possible truncation (good)
char c3 {val2}; // er...
Take a full page screenshot with Firefox on the command-line
...rd - screenshot --clipboard --fullpage Screenshot of a particular node (by Id) - screenshot --clipboard --selector #elementId
– Mohnish
May 12 '16 at 20:25
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What is the difference between IEqualityComparer and IEquatable?
...an object (which is usually a lightweight class different from T) that provides comparison functions that operates on T
– rwong
Feb 22 at 16:40
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JavaScript: Class.method vs. Class.prototype.method
...tionship with an object instance of that constructor function, you can consider it like a 'static method'.
In JavaScript functions are first-class objects, that means you can treat them just like any object, in this case, you are only adding a property to the function object.
The second function, ...
What is the difference between gravity and layout_gravity in Android?
I know we can set the following values to the android:gravity and android:layout_gravity properties:
20 Answers
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Private virtual method in C++
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Herb Sutter has very nicely explained it here.
Guideline #2: Prefer to make virtual functions private.
This lets the derived classes override the function to customize the behavior as needed, without further exposing the virtual functions directly by making them callable b...
Why can't the C# constructor infer type?
... support type inference?
No. When you have
new Foo(bar)
then we could identify all types called Foo in scope regardless of generic arity, and then do overload resolution on each using a modified method type inference algorithm. We'd then have to create a 'betterness' algorithm that determines w...
Why doesn't C# support the return of references?
...blog on June 23rd 2011. Thanks for the great question!
The C# team is considering this for C# 7. See https://github.com/dotnet/roslyn/issues/5233 for details.
UPDATE: The feature made it in to C# 7!
You are correct; .NET does support methods that return managed references to variables. .NET als...
What is the difference between customErrors and httpErrors?
...andles requests within the ASP.NET application AND/OR handles requests outside the - ASP.NET application *
all files and URLs are handled *
Note: it is no longer necessary to use customErrors
Quoted source: Custom 404 and error pages in ASP.NET (excellent article)
ExecuteURL serves dynami...
Django: “projects” vs “apps”
...complex "product" I'm getting ready to build using Django. I'm going to avoid using the terms "project" and "application" in this context, because I'm not clear on their specific meaning in Django.
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