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Immutability of Strings in Java
... the object cannot change.
One way that one can prevent the str reference from changing is to declare it as final:
final String STR = "Hello";
Now, trying to assign another String to STR will cause a compile error.
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Access Enum value using EL with JSTL
...value and cannot be validated by the compiler. So if you remove that value from the enum or rename it, you will not see that this part of code is not accessible anymore. You basically have to do a search/replace through the code each time.
You can add each of the enum values you use into the page co...
Rails Root directory path?
...ift path.to_s
end
Which allows you to easily load Plain Old Ruby Objects from their spec files.
# spec/models/poro_spec.rb
require 'spec_helper'
require 'poro'
RSpec.describe ...
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impr...
How to display length of filtered ng-repeat data
...somewhere:
<span>Total {{results.length}} result(s).</span>
From docs:
You can also provide an
optional alias expression which will then store the intermediate
results of the repeater after the filters have been applied. Typically
this is used to render a special message wh...
What is the use case of noop [:] in bash?
.... Which can be great for examining commented-out code, or saving your eyes from paragraphs in a neon comment color. Only cave
How can I check if a Perl array contains a particular value?
...irst and then check the hash. If memory is a concern, then move each item from the array into the hash. More memory efficient but destroys the original array.
If same values are searched repeatedly within the array, lazily build a cache. (as each item is searched, first check if the search result ...
How to “fadeOut” & “remove” a div in jQuery?
...
if you are anything like me coming from a google search and looking to remove an html element with cool animation, then this could help you:
$(document).ready(function() {
var $deleteButton = $('.deleteItem');
$deleteButton.on('click', f...
Is it possible to run a single test in MiniTest?
...around) but I think that for this question, the pure minitest answers like from jduan or randomor would fit better
– cefigueiredo
Sep 21 '17 at 17:31
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iOS - forward all touches through a view
...
For passing touches from an overlay view to the views underneath, implement the following method in the UIView:
Objective-C:
- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
NSLog(@"Passing all touches to the next view (if a...
git stash -> merge stashed change with current changes
...
May be, it is not the very worst idea to merge (via difftool) from ... yes ... a branch!
> current_branch=$(git status | head -n1 | cut -d' ' -f3)
> stash_branch="$current_branch-stash-$(date +%yy%mm%dd-%Hh%M)"
> git stash branch $stash_branch
> git checkout $current_branc...