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Flat file databases [closed]
... the nature of the flat databases. Are they large or small. Is it simple arrays with arrays in them? if its something simple say userprofiles built as such:
$user = array("name" => "dubayou",
"age" => 20,
"websites" => array("dubayou.com","willwharton.com","...
how to get the one entry from hashmap without iterating
...entrySet().iterator().next();
Another solution (not pretty):
return new ArrayList(hashMapObject.entrySet()).get(0);
Or yet (not better):
return hashMapObject.entrySet().toArray()[0];
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Performing Breadth First Search recursively
...ed over and over again. And as @Patrick noted, a binary tree backed by an array is typically stored in breadth-first traversal order anyway, so a breadth-first search on that would be trivial, also without needing an auxiliary queue.
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Getting the object's property name
....log(keyNames); // Outputs ["a","b","c"]
Object.keys() gives you an array of property names belonging to the input object.
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Why does javascript map function return undefined?
... to map one value to another, but it looks you actually want to filter the array, which a map function is not suitable for.
What you actually want is a filter function. It takes a function that returns true or false based on whether you want the item in the resulting array or not.
var arr = ['a',...
How do you check “if not null” with Eloquent?
...lly here 'and' does nothing but it would do if first parameter would be an array. Here is the method prototype : public function where($column, $operator = null, $value = null, $boolean = 'and'); and location - ".....\vendor\laravel\framework\src\Illuminate\Database\Query\Builder.php"
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Parse query string in JavaScript [duplicate]
... easy to extract the variable you need.
That said, it does not deal with array cases such as "hello=1&hello=2&hello=3". To work with this, you must check whether a property of the object you make exists before adding to it, and turn the value of it into an array, pushing any additional bit...
Is there a way to select sibling nodes?
...//codepen.io/anon/pen/LLoyrP?editors=1011
Get the parent's children as an array, filter out this element.
Edit:
And to filter out text nodes (Thanks pmrotule):
var siblings = n => [...n.parentElement.children].filter(c=>c.nodeType == 1 && c!=n)
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Better way to get type of a Javascript variable?
... The regex would also need to include numbers for things like Uint8Array. Instead, consider the more general match(/\s([^\]]+)/) which should handle anything.
– Lily Finley
Jan 19 '15 at 22:43
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How can I get useful error messages in PHP?
...----------------------------------
function ShutdownHandler()
{
if(@is_array($error = @error_get_last()))
{
return(@call_user_func_array('ErrorHandler', $error));
};
return(TRUE);
};
register_shutdown_function('ShutdownHandler');
// ----------------------------------------...