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How do you overcome the HTML form nesting limitation?
...escribed: submit everything to the server and do a simple if/else to check what button was clicked.
And then I would implement a Javascript call tying into the form's onsubmit event which would check before the form was submitted, and only submit the relevant data to the server (possibly through a ...
What is a “feature flag”?
...here was that it's handy to have the control to reduce the feature-set somewhat if you need to, say, reduce db queries if the load is too high.
There are heaps of other reasons you would want to use this though - one of the main being enabling Continuous Delivery: pushing things into production/li...
How to define custom exception class in Java, the easiest way?
I'm trying to define my own exception class the easiest way, and this is what I'm getting:
8 Answers
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How to style a checkbox using CSS
...box element and have those styles affect the display of the HTML checkbox. What has changed, however, is that it's now possible to hide the actual checkbox and replace it with a styled element of your own, using nothing but CSS. In particular, because CSS now has a widely supported :checked selector...
What is recursion and when should I use it?
... that in my answer as well. But to me, the big strength with recursion is what you can do with the call stack. You can write a succinct algorithm with recursion which branches repeatedly, enabling you to do things like crawling hierarchies (parent/child relationships) with ease. See my answer for...
The JPA hashCode() / equals() dilemma
...See the following link.
To sum all this stuff up, here is a listing of what will work or won't work with the different ways to handle equals/hashCode:
EDIT:
To explain why this works for me:
I don't usually use hashed-based collection (HashMap/HashSet) in my JPA application. If I must, I p...
Inheritance vs. Aggregation [closed]
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It's not a matter of which is the best, but of when to use what.
In the 'normal' cases a simple question is enough to find out if we need inheritance or aggregation.
If The new class is more or less as the original class. Use inheritance. The new class is now a subclass of the ori...
PHP - how to create a newline character?
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@user2839497 What you are saying does not make any sense. There's no browser context here. And of course the browser renders a newline when encountering a <br/>. And of course there is nothing that prevents you from adding '<br/&...
Groovy: what's the purpose of “def” in “def x = 0”?
... because you don't ever want to create a variable by accident.
It's somewhat acceptable in scripts (Groovy scripts and groovysh allow you to do so), but in production code it's one of the biggest evils you can come across which is why you must define a variable with def in all actual groovy code ...
Sublime Text 2 - Show file navigation in sidebar
...ext as my new editor. If I open the sidebar it shows the opening file, but what I want is a file navigation sidebar, is it possible to change that without downloading plugins?
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