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DTO = ViewModel?
...thout any behavior.
ViewModels are the model of the view. ViewModels typically are full or partial data from one or more objects (or DTOs) plus any additional members specific to the view's behavior (methods that can be executed by the view, properties to indicate how toggle view elements etc...). ...
How does the Amazon Recommendation feature work?
...nce. Typical fields of study revolve around market basket analysis (also called affinity analysis) which is a subset of the field of data mining. Typical components in such a system include identification of primary driver items and the identification of affinity items (accessory upsell, cross sel...
What's so great about Lisp? [closed]
...heir counter-arguments):
Dynamic typing.
There's an argument for statically typed languages out there revolving around giving the compiler enough information to catch a certain class of errors so they don't happen at runtime. But you still need to test.
This article argues for dynamic typing a...
Which is the correct shorthand - “regex” or “regexp” [closed]
...mmers are pretty obsessed about correct terminology. I certainly am, especially because sometimes changing just one character in a word can drastically change its meaning.
...
How to get an array of specific “key” in multidimensional array without looping
...s = array_map(function ($ar) {return $ar['id'];}, $users);
Before(Technically php 4.0.6+), you must create an anonymous function with create_function instead:
$ids = array_map(create_function('$ar', 'return $ar["id"];'), $users);
...
Media query to detect if device is touchscreen
...devices, you can simple use:
if(window.TouchEvent) {
//.....
}
Especially for Ipad:
if(window.Touch) {
//....
}
But, these do not work on Android.
Modernizr gives feature detection abilities, and detecting features is
a good way to code, rather than coding on basis of browsers.
...
What's the best online payment processing solution? [closed]
...
You can't really answer this kind of question with a "I like 'insert provide name here'" type answer because like so many things it is a balance and the reasons for choosing a payment processing solution tend to be complex.
Volume / Valu...
Difference between decimal, float and double in .NET?
...n a decimal form, and expect exact results in decimal representations; not all decimal numbers are exactly representable in binary floating point – 0.1, for example – so if you use a binary floating point value you'll actually get an approximation to 0.1. You'll still get approximations when usi...
Best practices for overriding isEqual: and hash
...ly attributed to Dan Bernstein or Chris Torek. That older algorithm originally floated around on Usenet, and certain attribution is difficult. For example, there is some interesting commentary in this Apache code (search for their names) that references the original source.
Bottom line is, this i...
“Java DateFormat is not threadsafe” what does this leads to?
...ava DateFormat not being thread safe and I understand the concept theoretically.
11 Answers
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