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How to sort an ArrayList in Java [duplicate]
...making the objects implement Comparable would work. The difference is that by implementing Comparable, you're saying that the ordering is a fundamental part of the nature of the objects (like integers or strings), whereas by using a Comparator, you're saying that in this specific context, you want t...
Read specific columns from a csv file with csv module?
...=['col1', 'col3', 'col7'])
P.S. I'm just aggregating what other's have said in a simple manner. Actual answers are taken from here and here.
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
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PHP 7 standard library provides the random_bytes($length) function that generate cryptographically secure pseudo-random bytes.
Example:
$bytes = random_bytes(20);
var_dump(bin2hex($bytes));
The above example will output something similar to:
string(40) "5fe69c95ed70a...
Why / when would it be appropriate to override ToString?
... you get a string representation of your object in another way? Yes.
But by using ToString you are using a method that is common to all objects and thus other classes know about this method. For instance, whenever the .NET framework wants to convert an object to a string representation, ToString i...
Search of table names
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The only thing it normally hides are the database diagram support tables, or is there only one. It's more useful when looking for functions/procedures.
– RichardTheKiwi
Oct 26 '12 at 13:23
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Laravel - Route::resource vs Route::controller
...aseController {
public function index() {}
public function show($id) {}
public function store() {}
}
You can also choose what actions are included or excluded like this:
Route::resource('users', 'UsersController', [
'only' => ['index', 'show']
]);
Route::resource('monkeys'...
How to get an IFrame to be responsive in iOS Safari?
...e it with min-width: 100% to allow for actual width: 100% which iOS Safari by default overwrites. The *width: 100%; is there so the code would remain IE6 compatible, but if you do not care for IE6 you can omit it. Demo
As you can see now, the div#ScrolledArea width is actually 100% and the overf...
Inline SVG in CSS
... url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><linearGradient id='gradient'><stop offset='10%' stop-color='%23F00'/><stop offset='90%' stop-color='%23fcc'/> </linearGradient><rect fill='url(%23gradient)' x='0' y='0' wid...
Why is it necessary to set the prototype constructor?
...zes constructor means that it does have special meaning in JS, pretty much by definition.
– Wayne
Jan 19 '12 at 15:29
13
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How to sort a collection by date in MongoDB?
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Sorting by date doesn't require anything special. Just sort by the desired date field of the collection.
Updated for the 1.4.28 node.js native driver, you can sort ascending on datefield using any of the following ways:
collection....