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A better similarity ranking algorithm for variable length strings
...ng>();
// Tokenize the string and put the tokens/words into an array
string[] Words = Regex.Split(str, @"\s");
// For each word
for (int w = 0; w < Words.Length; w++)
{
if (!string.IsNullOrEmpty(Words[w]))
{
// F...
How to return an empty ActiveRecord relation?
...ll not be any matches, but I still want to return a relation, not an empty array:
9 Answers
...
How to use split?
...a native string method.
If you use .split() on a string, then you get an array back with the substrings:
var str = 'something -- something_else';
var substr = str.split(' -- ');
// substr[0] contains "something"
// substr[1] contains "something_else"
If this value is in some field you could als...
Does Go have “if x in” construct similar to Python?
Without iterating over the entire array, how can I check if x in array using Go? Does the language have a construct?
7 A...
How can i tell if an object has a key value observer attached
...
When you add an observer to an object you could add it to a NSMutableArray like this:
- (void)addObservedObject:(id)object {
if (![_observedObjects containsObject:object]) {
[_observedObjects addObject:object];
}
}
If you want to unobserve the objects you can do something li...
How can I wait for set of asynchronous callback functions?
...t to do something. You can do it like this by accumulating the data in an array and keeping track of when the last one has finished:
Manual Counter
var ajaxCallsRemaining = 10;
var returnedData = [];
for (var i = 0; i < 10; i++) {
doAjax(whatever, function(response) {
// success h...
How to implement has_many :through relationships with Mongoid and mongodb?
...MS you would model that differently in MongoDB using a field containing an array of 'foreign' keys on either side. For example:
class Physician
include Mongoid::Document
has_and_belongs_to_many :patients
end
class Patient
include Mongoid::Document
has_and_belongs_to_many :physicians
end
...
Why are we not to throw these exceptions?
...arly, IndexOutOfRangeExceptions occur when you access an invalid index (on arrays—not lists). You should always make sure that you don’t do that in the first place and check the boundaries of e.g. an array first.
There are a few other exceptions like those two, for example InvalidCastException ...
Coding Practices which enable the compiler/optimizer to make a faster program
... you write code if you care about performance. For example two-dimensional arrays in C are allocated in row-major format. Traversing arrays in column major format will tend to make you have more cache misses and make your program more memory bound than processor bound:
#define N 1000000;
int matrix...
MassAssignmentException in Laravel
...ake all fields fillable, just declare on your class:
protected $guarded = array();
This will enable you to call fill method without declare each field.
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