The rule of thumb is to use the function most suited to your needs. If you just want the keys and do not plan to ever read any of the values, use keys(): foreach my $key (keys %hash) { … } If you just want the values, use values(): foreach my $val (values %hash) { … Read more
You can pass this to each block. See here: http://jsfiddle.net/yR7TZ/1/ {{#each this}} <div class=”row”></div> {{/each}}
It’s probably to late but i think this code work… $blocks.each(function(i, elm) { $(elm).fadeOut(200, function() { $(elm).remove(); }); }).promise().done( function(){ alert(“All was done”); } );
Try <option value=”{{id}}”>{{title}} {{../externalValue}}</option> The ../ path segment references the parent template scope that should be what you want.
This is the only difference: each: irb> [1,2,3].each { |x| } => [1, 2, 3] irb> x NameError: undefined local variable or method `x’ for main:Object from (irb):2 from :0 for: irb> for x in [1,2,3]; end => [1, 2, 3] irb> x => 3 With the for loop, the iterator variable still lives after … Read more
We can break both a $(selector).each() loop and a $.each() loop at a particular iteration by making the callback function return false. Returning non-false is the same as a continue statement in a for loop; it will skip immediately to the next iteration. return false; // this is equivalent of ‘break’ for jQuery loop return; … Read more
You can use the for-in loop as shown by others. However, you also have to make sure that the key you get is an actual property of an object, and doesn’t come from the prototype. Here is the snippet: var p = { “p1”: “value1”, “p2”: “value2”, “p3”: “value3” }; for (var key in p) … Read more