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Why does the default parameterless constructor go away when you create one with parameters
...ass, I most likely want to be able to instantiate that class. In order to allow that, the compiler must add a parameterless constructor, which will have no effect but to allow instantiation. This means that I don't have to include an empty constructor in my code just to make it work.
If I've defin...
Is there a way to reduce the size of the git folder?
...
I'm not sure what you want. First of all, of course each time you commit/push the directory is going to get a little larger, since it has to store each of those additional commits.
However, probably you want git gc which will "cleanup unnecessary files and opti...
Why is super.super.method(); not allowed in Java?
...t's fine - RedItems can always be confident that the items it contains are all red. Now suppose we were able to call super.super.add():
public class NaughtyItems extends RedItems
{
@Override
public void add(Item item)
{
// I don't care if it's red or not. Take that, RedItems!
...
Can I invoke an instance method on a Ruby module without including it?
...
If a method on a module is turned into a module function you can simply call it off of Mods as if it had been declared as
module Mods
def self.foo
puts "Mods.foo(self)"
end
end
The module_function approach below will avoid breaking any classes which include all of Mods.
module Mods
...
How to get all groups that a user is a member of?
... returns members of a specific group. Is there a cmdlet or property to get all the groups that a particular user is a member of?
...
Why are the Level.FINE logging messages not showing?
... Thanks. That did the trick. I realize now why I was initially so confused. I had previously worked with logging levels, but my implementation at that time simply dropped every logged message into a list that was displayed with no regard to the Handler.
– Andr...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
What are all the ways of affecting where Perl modules are searched for?
or, How is Perl's @INC constructed ?
3 Answers
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How to make Git pull use rebase by default for all my repositories?
... branch.autosetuprebase , but it needs to be configured per clone individually.
5 Answers
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Why is using the rails default_scope often recommend against?
...to show unpublished (private) posts. So far so good.
2.1.1 :001 > Post.all
Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title: nil, published: true...
How can I make PHP display the error instead of giving me 500 Internal Server Error [duplicate]
This has never happened before. Usually it displays the error, but now it just gives me a 500 internal server error. Of course before, when it displayed the error, it was different servers. Now I'm on a new server (I have full root, so if I need to configure it somewhere in the php.ini, I can.) Or p...