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What is the difference between typeof and instanceof and when should one be used vs. the other?
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{} instanceof Object; // true
typeof {}; // object
And the last one is a little bit tricky:
typeof null; // object
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When would you use the Builder Pattern? [closed]
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The key difference between a builder and factory IMHO, is that a builder is useful when you need to do lots of things to build an object. For example imagine a DOM. You have to create plenty of nodes and attributes to get your final object. A factory is used when the factory can ...
An example of how to use getopts in bash
I want to call myscript file in this way:
7 Answers
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What is the best place for storing uploaded images, SQL database or disk file system? [closed]
...xpect about 20 images per day all jpeg and probably not edited/resized. (This is another question, how to resize the images on the server side before storing. Maybe someone can please drop a .NET resource for that in the comment or so).
I wonder now what the best place for storing uploaded images i...
What is the difference between compile and link function in angularjs
... of the template associated with the directive.
link function - use for registering DOM listeners (i.e., $watch expressions on the instance scope) as well as instance DOM manipulation (i.e., manipulation of iElement = individual instance element). It is executed after the template has been cloned. ...
Check whether a string is not null and not empty
How can I check whether a string is not null and not empty?
31 Answers
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Find out if ListView is scrolled to the bottom?
Can I find out if my ListView is scrolled to the bottom? By that I mean that the last item is fully visible.
24 Answers
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How can I use “.” as the delimiter with String.split() in java [duplicate]
What I am trying to do is read a .java file, and pick out all of the identifiers and store them in a list. My problem is with the .split() method. If you run this code the way it is, you will get ArrayOutOfBounds, but if you change the delimiter from "." to anything else, the code works. But I ne...
What is this weird colon-member (“ : ”) syntax in the constructor?
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It's a member initialization list. You should find information about it in any good C++ book.
You should, in most cases, initialize all member objects in the member initialization list (however, do note the exceptions listed at the end of the FAQ entry)...
Why does my application spend 24% of its life doing a null check?
I've got a performance critical binary decision tree, and I'd like to focus this question on a single line of code. The code for the binary tree iterator is below with the results from running performance analysis against it.
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