What are MVP and MVC and what is the difference?

What are MVP and MVC and what is the difference?

When looking beyond the RAD (drag-drop and configure) way of building user interfaces that many tools encourage you are likely to come across three design patterns called Model-View-Controller, Model-View-Presenter and Model-View-ViewModel.

Why does parseInt yield NaN with Array#map?

Why does parseInt yield NaN with Array#map?

From the Mozilla Developer Network:[1,4,9].map(Math.sqrt)will yield:[1,2,3]Why then does this:['1','2','3'].map(parseInt)yield this:[1, NaN, NaN]I have tested in Firefox 3.0.1 and Chrome 0.3 and just as a disclaimer, I know this is not cros

How to parse a date? [duplicate]

How to parse a date? [duplicate]

This question already has an answer here: Java string to date conversion 13 answers I am trying to parse this date with SimpleDateFormat and it is not

How to test whether stringstream operator>> has parsed a bad type and skip it

How to test whether stringstream operator>> has parsed a bad type and skip it

I am interested in discussing methods for using stringstream to parse a line with multiple types. I would begin by looking at the following line:"2.832 1.3067 nana 1.678"Now lets assume I have a long line that has multiple strings and doubl

Programmatically obtain the phone number of the Android phone

Programmatically obtain the phone number of the Android phone

How can I programmatically get the phone number of the device that is running my android app? 1:Code:TelephonyManager tMgr = (TelephonyManager)mAppContext.getSystemService(Context.TELEPHONY_SERVICE);String mPhoneNumber = tMgr.getLine1Num

Sorting a vector of custom objects

Sorting a vector of custom objects

How does one go about sorting a vector containing custom (i.e. user defined) objects.Probably, standard STL algorithm sort along with a predicate (a function or a function object) which would operate on one of the fields (as a key for sorti

StreamCorruptedException: invalid type code: AC

StreamCorruptedException: invalid type code: AC

My problem is when it tries to read the object the second time, it throws the exception: java.io.StreamCorruptedException: invalid type code: AC at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1356) at java.io.ObjectIn

C++: “std::endl” vs “\\n”

C++: “std::endl” vs “\\n”

Many C++ books contain example code like this...std::cout << "Test line" << std::endl;...so I've always done that too. But I've seen a lot of code from working developers like this instead:std::cout << "Test line\n";Is there a technical rea

What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?

What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?

I have some code and when it executes, it throws a IndexOutOfRangeException, saying, Index was outside the bounds of the array.What does this mean, and what can I do about it?Depending on classes used it can also be ArgumentOutOfRangeExce

Reference - What does this regex mean?

Reference - What does this regex mean?

What is this?This is a collection of common Q&A. This is also a Community Wiki, so everyone is invited to participate in maintaining it.Why is this?regex is suffering from give me ze code type of questions and poor answers with no explanati

How to get elements which have no children, but may have text?

How to get elements which have no children, but may have text?

the empty selector says that: Matches all elements that have no children (including text nodes).Finds all elements that are empty - they don't have child elements or text.What i want is to get elements which has no children but may have tex

jQuery auto upload file

jQuery auto upload file

I want the file input will automatic upload my image without enter any submit button.Let me know the trick with jQuery 1:You can submit the form on the file input's onchange event, like this:$("input[name=upload]").change(function() {

opengl glutmainloop()

opengl glutmainloop()

i just started off using OpenGL and it seems it is not easy to understand the working of the glutMainLoop() what really happens there? Does it stay there doing nothing till any of the function calls responds? 1:It calls your display call

How to print an error message to standard error?

How to print an error message to standard error?

In UNIX, I'm supposed to write a Java file that will print "Exit 1" to the standard error, and then exit with a status of 1.Here is my approach..System.err.println("EXIT 1");System.exit(1);Is this what I'm supposed to do?If so, how am I sup

mvc4 url validation

mvc4 url validation

I'm writing this question here after trying to find an answer for two days.basically here's what's going on.I have a property in the viewmodel as follows[Required(ErrorMessage = "Required Field")][Url(ErrorMessage="Please enter a valid url"

how should i store a price in mongoose?

how should i store a price in mongoose?

I'm using mongoose schemas for node.js along with express-validator (which has node-validator santiziations and validators).What's a good way to store price for an item?I currently have var ItemSchema = new Schema({ name : { t

resize with averaging or rebin a numpy 2d array

resize with averaging or rebin a numpy 2d array

I am trying to reimplement in python an IDL function:http://star.pst.qub.ac.uk/idl/REBIN.htmlwhich downsizes by an integer factor a 2d array by averaging.For example:>>> a=np.arange(24).reshape((4,6))>>> aarray([[ 0, 1, 2, 3, 4, 5],

Cleanest way to get the next sibling in jQuery

Cleanest way to get the next sibling in jQuery

http://jsfiddle.net/mplungjan/H9Raz/After quite some tests with next('a') and such, I finally found one that worked.I just wonder why next('a') did not, or closest or similar. Are there cleaner ways to get at the href of the link after the

Python - Extracting inner most lists

Python - Extracting inner most lists

Just started toying around with Python so please bear with me :)Assume the following list which contains nested lists:[[[[[1, 3, 4, 5]], [1, 3, 8]], [[1, 7, 8]]], [[[6, 7, 8]]], [9]]In a different representation:[ [ [ [

How to use  inside an attribute of ?

How to use inside an attribute of ?

I have JSP code like: " path="email" cssClass="input required email" /> I want to set the title attribute with some tooltip text, supporting i18n. How would I do this?I am looking to do something like this: "/>" path="email" cssCl

How to use SIFT/SURF as features for a machine learning algorithm?

How to use SIFT/SURF as features for a machine learning algorithm?

Im working on an automatic image annotation problem in which im trying to associate tags with images. For that im trying for SIFT features for learning. But the problem is all the SIFT features are a set of keypoints, each of which have a 2

JQuery UI Autocomplete with Zend Framework

JQuery UI Autocomplete with Zend Framework

I was wondering about how to add the autocomplete JQuery UI widget to a form I'm developing in the Zend Framework without using ZendX. The folders for the website are set up per the framework, but I'm not using Zend_Form.So I stripped every

Task Dependency in OpenMP 4

Task Dependency in OpenMP 4

The following code works based on the OpenMP 4.0 specification: The out and inout dependence-types. The generated task will be a dependent task of all previously generated sibling tasks that reference at least one of the list items in an

Redirect Python standard input/output to C# forms application

Redirect Python standard input/output to C# forms application

I apologize if this is a duplicate question, I searched a bit and couldn't find anything similar - I have a Python library that connects to my C# application via a socket in order to allow simple Python scripting (IronPython isn't an option

mysqli_real_escape_string() returns empty string

mysqli_real_escape_string() returns empty string

I'm using mysqli_real_escape_string() on an email address, and it returns an empty string. It does this with any email address."url", "username"=>"username", "password"=>"password", "database"=>"database");$link=mysqli_connect($