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How to get a variable name as a string in PHP?
...w+)#", $fLine, $match );
print_r( $match );
}
$foo = "knight";
$bar = array( 1, 2, 3 );
$baz = 12345;
varName( $foo );
varName( $bar );
varName( $baz );
?>
// Returns
Array
(
[0] => $foo
[1] => foo
)
Array
(
[0] => $bar
[1] => bar
)
Array
(
[0] => $baz
...
TypeScript: casting HTMLElement
...
To end up with:
an actual Array object (not a NodeList dressed up as an Array)
a list that is guaranteed to only include HTMLElements, not Nodes force-casted to HTMLElements
a warm fuzzy feeling to do The Right Thing
Try this:
let nodeList : NodeLi...
Get the name of an object's type
...use the constructor property to test the type of the object like so:
var myArray = [1,2,3];
(myArray.constructor == Array); // true
So, that works well enough for most needs. That said...
Caveats
Will not work AT ALL in many cases
This pattern, though broken, is quite common:
function Thingy() {
}
...
Get table column names in MySQL?
...
I made a PDO function which returns all the column names in an simple array.
public function getColumnNames($table){
$sql = "SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = :table";
try {
$core = Core::getInstance();
$stmt = $core->dbh->prepa...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...
You can use an array with the splat operator *.
EXCEPTIONS = [FooException, BarException]
begin
a = rand
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If you are go...
Convert blob to base64
...
function bufferToBinaryString(arrayBuffer){
return String.fromCharCode(...new Uint8Array(arrayBuffer));
}
(async () => console.log(btoa(bufferToBinaryString(await new Response(blob).arrayBuffer()))))();
or
function bufferToBinaryString(arrayBuff...
How to free memory in Java?
...ived object (or possibly from a static var). Eg, if you have a long-lived array of large objects, and you cease using one of those objects, you should set the array reference to null to make the object available for GC.
– Hot Licks
Jan 25 '14 at 21:02
...
Creating a constant Dictionary in C#
...Dictionary<string, string[]>()
{
{ "Reference1", Array1 },
{ "Reference2", Array2 },
{ "Reference3", Array3 },
{ "Reference4", Array4 },
{ "Reference5", Array5 }
};
...
Pythonic way to find maximum value and its index in a list?
...Sven-Marnach Would numpy be faster, if I had to convert my list to a numpy array first? Would it be faster for the simple example [0,1,0]?
– tommy.carstensen
Sep 8 '13 at 23:33
1
...
What is the “__v” field in Mongoose
...s only incremented after operations that could cause a conflict, modifying array positions. Other updates won't increment it. The original release post explains it in detail: aaronheckmann.tumblr.com/post/48943525537/…
– Ricardo Tomasi
Sep 12 '13 at 19:04
...