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Backing beans (@ManagedBean) or CDI Beans (@Named)?
...Bean. It's like protected versus public. But that doesn't really count.
At least, in JSF 2.0/2.1, the major disadvantage of managing JSF backing beans by CDI is that there's no CDI equivalent of @ViewScoped. The @ConversationScoped comes close, but still requires manually starting and stopping and i...
Why is creating a new process more expensive on Windows than Linux?
... to be notified about process creation, which involves LPC. It requires at least kernel32 to be loaded additionally, and it has to perform a number of additional bookkeeping work items to be done before the process is considered to be a full-fledged Win32 process. And let's not forget about all the ...
Detach many subdirectories into a new, separate Git repository
...my-desired-repo
cd my-desired-repo
git init
And you will need to make at least one commit. If the following three lines should be skipped, your first repo will appear immediate under your repo's root:
touch a_file_and_make_a_commit # see user's feedback
git add a_file_and_make_a_commit
git commit...
When do we have to use copy constructors?
...depends on what copy constructors are available for the sub-objects. If at least one sub-object doesn't have a real copy constructor (taking the source object by constant reference) but instead has a mutating copy-constructor (taking the source object by non-constant reference) then the compiler wil...
After array_filter(), how can I reset the keys to go in numerical order starting at 0
...nction.array-values.php instead. I can't update it, as i need to change at least 6 characters.
– Rasmus Hansen
Feb 16 '19 at 15:15
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Unit Test? Integration Test? Regression Test? Acceptance Test?
...oals before running to the client/boss and announcing victory.
This is at least the way I learned, though I'm sure there are other opposing views. Either way, I hope that helps.
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What are C++ functors and their uses?
...ject can not be swapped with other function object type during runtime (at least unless it extends some base class, which therefore gives some overhead)
Used instead of virtual function:
Features:
Function object (non-virtual) doesn't require vtable and runtime dispatching, thus it is more ef...
Booleans, conditional operators and autoboxing
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@Geek - lub() - least upper bound - basically the closest superclass that they have in common; since null (type "the special null type") can be implicitly converted (widened) to any type, you can consider the special null type to be a "super...
How can I get Visual Studio 2008 Windows Forms designer to render a Form that implements an abstract
...e project. @ObliviousSage - Thanks for the heads-up; in my current case at least this isn't an issue but still it's a good one to watch out for.
– InteXX
Feb 13 '15 at 7:55
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onKeyPress Vs. onKeyUp and onKeyDown
...rences between keyup and keypress as it pertains to input field values, at least in Firefox (tested in 43).
If the user types 1 into an empty input element:
The value of the input element will be an empty string (old value) inside the keypress handler
The value of the input element will be 1 (new...