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Detect all Firefox versions in JS
...aterfox|gnuzilla|shadowfox|swiftfox/i)) {
// Create Element and Array to test availability
var createdElement = document.createElement('div'),
createdArray = [],
firefoxVersion = "0";
// Firefox 1.0 released November 9, 2004
// Che...
How to find list of possible words from a letter matrix [Boggle Solver]
...gs;
{
# this package manages a given path through the grid.
# Its an array of matrix-nodes in-order with
# Convenience functions for pretty-printing the paths
# and for extending paths as new paths.
# Usage:
# my $p = Prefix->new(path=>[ $startnode ]);
# my $c = $p->child( ...
Just what is an IntPtr exactly?
...
So why wouldn't it just give you back a stream (byte array)? Why is it unsafe or unable to return the value?
– The Muffin Man
May 9 '14 at 4:36
add a com...
Appending a vector to a vector [duplicate]
...d variant is a more generically applicable solution, as b could also be an array. However, it requires C++11. If you want to work with user-defined types, use ADL:
using std::begin, std::end;
a.insert(end(a), begin(b), end(b));
...
Convert columns to string in Pandas
...accidentally store a mixture of strings and non-strings in an object dtype array. It’s better to have a dedicated dtype.
object dtype breaks dtype-specific operations like DataFrame.select_dtypes(). There isn’t a clear way to select just text
while excluding non-text but still object-dtype colu...
What is JSONP, and why was it created?
...pt>
However this is a bit inconvenient, because we have to fetch this array from script tag. So JSONP creators decided that this will work better(and it is):
script = document.createElement('script');
script.type = 'text/javascript';
script.src = 'http://www.someWebApiServer.com/some-data?call...
YouTube iframe API: how do I control an iframe player that's already in the HTML?
... (Function) Function to call when the player is ready.
* @param Array args (optional) List of arguments to pass to function func*/
function callPlayer(frame_id, func, args) {
if (window.jQuery && frame_id instanceof jQuery) frame_id = frame_id.get(0).id;
var iframe = ...
When vectors are allocated, do they use memory on the heap or the stack?
...cator) also will be on the stack
No, vect will be on the stack, but the array it uses internally to store the items will be on the heap. The items will reside in that array.
vector<Type> *vect = new vector<Type>; //allocates vect on heap and each of the Type will be allocated on sta...
Append an object to a list in R in amortized constant time, O(1)?
...untime. To prevent that, this function implements a bare bones
# expanding array, in which list appends are (amortized) constant time.
expandingList <- function(capacity = 10) {
buffer <- vector('list', capacity)
length <- 0
methods <- list()
methods...
What exactly is Type Coercion in Javascript?
... that is not in the list is converted to true, including object, function, Array, Date, user-defined type, and so on. Symbols are truthy values. Empty object and arrays are truthy values as well:
Boolean({}) // true
Boolean([]) // true
Boolean(Symbol()) // true
!!Symbol...