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Can virtual functions have default parameters?
...iding function in a derived
class does not acquire default arguments from the function it
overrides. Example:
struct A {
virtual void f(int a = 7);
};
struct B : public A {
void f(int a);
};
void m()
{
B* pb = new B;
A* pa = pb;
pa->f(); //OK, calls pa->B::f(7)
pb->f();...
How to handle invalid SSL certificates with Apache HttpClient? [duplicate]
...to Pascal Thivent's correct answer, another way is to save the certificate from Firefox (View Certificate -> Details -> export) or openssl s_client and import it into the trust store.
You should only do this if you have a way to verify that certificate. Failing that, do it the first time you ...
Ant: How to execute a command for each file in directory?
I want to execute a command from an Ant buildfile, for each file in a directory.
I am looking for a platform-independent solution.
...
Find objects between two dates MongoDB
...o pass a Javascript Date object.
Yes, it has to be ISODate friendly
Yes, from my experience getting this to work, you need to manipulate the date to ISO
Yes, working with dates is generally always a tedious process, and mongo is no exception
Here is a working snippet of code, where we do a littl...
Java EE web development, where do I start and what skills do I need? [closed]
...arn, at least at a basic level, how to build Java web applications (coming from a .NET background). I would like to be able to build, deploy a simple CMS type application from the ground up.
...
Why is the minimalist, example Haskell quicksort not a “true” quicksort?
..., in a kind of queasy-making way. I wonder what sort of code GHC produces from something like that?
– Ian Ross
Oct 20 '11 at 14:02
...
What is the difference between “def” and “val” to define a function
...e performance with a single call. And with no calls you'll get no overhead from def, so you can define it even if you will not use it in some branches.
With a lazy val you'll get a lazy evaluation: you can define it even if you will not use it in some branches, and it evaluates once or never, but y...
Any idea why I need to cast an integer literal to (int) here?
...
The compiler tries to subtract 128 from (Integer) instead of casting -128 to Integer. Add () to fix it
Integer i3 = (Integer) -128; // doesn't compile
Integer i3 = (Integer) (-128); // compiles
According to BoltClock in the comments the cast to int works a...
Should the .gradle folder be added to version control?
...ignore file because somewhere along the line I'll forget to use the switch from some command line or from my IDE or something and then end up having to deal with the directory anyway.
How do I ignore it?
Git users can add a line with just .gradle to the .gitgnore file and Git will ignore all fi...
Reflecting parameter name: abuse of C# lambda expressions or syntax brilliance?
...llows it, mostly because if you did that, those APIs would not be callable from C#.) When it comes to interop, there are always trade-offs at 'edge' features regarding what benefits you get versus what interop you trade away.
– Brian
Nov 11 '09 at 21:17
...