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parseInt vs unary plus, when to use which?
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#Please see this answer for a more complete set of cases
Well, here are a few differences I know of:
An empty string "" evaluates to a 0, while parseInt evaluates it to NaN. IMO, a blank string should be a NaN.
+'' === 0; //true
isNaN...
Share data between AngularJS controllers
.../div>
Demo: http://jsfiddle.net/HEdJF/
When applications get larger, more complex and harder to test you might not want to expose the entire object from the factory this way, but instead give limited access for example via getters and setters:
myApp.factory('Data', function () {
var data...
PHP validation/regex for URL
...railing period). I'm sure it could be cleaned up but since it worked. I've more or less just copied it over from project to project.
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In .NET, which loop runs faster, 'for' or 'foreach'?
... month, with the following conclusions:
for loops on List are a bit more than 2 times cheaper than foreach
loops on List.
Looping on array is around 2 times cheaper than looping on List.
As a consequence, looping on array using for is 5 times cheaper
than looping on List using foreach...
Git workflow and rebase vs merge questions
...in Avoiding Git Disasters: A Gory Story. It only makes conflict resolution more tedious for them and makes it harder to recover from bad conflict resolution. Instead, use diff3 so that it's not so difficult in the first place.
Rebase workflow is not better for conflict resolution!
I am very pro-...
How to overload functions in javascript?
...e properties on an object, there is no specific order. In fact, there are more than 30 different properties that can be passed on that object, only one (the url) is required.
Here's an example:
$.ajax({url: "http://www.example.com/somepath", data: myArgs, dataType: "json"}).then(function(result) ...
Get all unique values in a JavaScript array (remove duplicates)
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For a much more detailed answer, including many possibilities - such as sorting first, and dealing with varying data types - see stackoverflow.com/a/9229821/368896
– Dan Nissenbaum
Jan 22 '17 at 21...
Is there an “exists” function for jQuery?
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What are the true benefits of ExpandoObject?
... anticipated this question and that's why I wrote a blog post that shows a more or less real use case for ExpandoObject: Dynamic in C# 4.0: Introducing the ExpandoObject.
Shortly, ExpandoObject can help you create complex hierarchical objects. For example, imagine that you have a dictionary within...
How to check if PHP array is associative or sequential?
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I think it is more useful to think of sequential arrays as a special case of associative arrays. So every array is associative, but only some are sequential. Therefore, a function isSequential() would make more sense than isAssoc(). In suc...