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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...
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) ...
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...
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...
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...
Is there an “exists” function for jQuery?
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Alternatives to gprof [closed]
...ng times among nodes in a graph. Also I think wall-clock time is generally more useful than CPU instruction times, and code lines (call instructions) are more useful than procedures. If stack samples at random wall clock times are taken, then the fractional cost of a line (or procedure, or any other...
What's the best CRLF (carriage return, line feed) handling strategy with Git?
... your repository.
Finally, the Mind the End of Your Line article
provides more background and explains how Git has evolved
on the matters at hand. I consider this required reading.
You've probably got users in your team who use EGit or JGit (tools like Eclipse and TeamCity use them) to commit thei...