How to convert a column number (eg. 127) into an excel column (eg. AA)

How to convert a column number (eg. 127) into an excel column (eg. AA)

How do you convert a numerical number to an Excel column name in C# without using automation getting the value directly from Excel.Excel 2007 has a possible range of 1 to 16384, which is the number of columns that it supports. The resulting

How to enable CORS in AngularJs

How to enable CORS in AngularJs

I have created a demo using JavaScript for Flickr photo search API. Now I am converting it to the AngularJs.I have searched on internet and found below configuration. Configuration:myApp.config(function($httpProvider) { $httpProvider.defau

LINQ equivalent of foreach for IEnumerable

LINQ equivalent of foreach for IEnumerable

I'd like to do the equivalent of the following in LINQ, but I can't figure out how:IEnumerable items = GetItems();items.ForEach(i => i.DoStuff());What is the real syntax? 1:There is no ForEach extension for IEnumerable; only for Li

java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has

java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has

This method throws java.lang.IllegalStateException: Cannot forward after response has been committedand I am unable to spot the problem. Any help? int noOfRows = Integer.parseInt(request.getParameter("noOfRows")); String chkboxVal =

How do I use $scope.$watch and $scope.$apply in AngularJS?

How do I use $scope.$watch and $scope.$apply in AngularJS?

I don't understand how to use $scope.$watch and $scope.$apply. The official documentation isn't helpful.What I don't understand specifically:Are they connected to the DOM?How can I update DOM changes to the model?What is the connection poin

Benefits of using `Object.create` for inheritance

Benefits of using `Object.create` for inheritance

I've been trying to wrap my head around the new Object.create method which was introduced in ECMAScript 5.Usually when I want to use inheritance I do something like this:var Animal = function(name) { this.name = name; }Animal.prototype.prin

Converting ISO 8601-compliant String to java.util.Date

Converting ISO 8601-compliant String to java.util.Date

I am trying to convert an ISO 8601 formatted String to a java.util.Date. I found the pattern "yyyy-MM-dd'T'HH:mm:ssZ" to be ISO8601-compliant if used with a Locale (compare sample).However, using the java.text.SimpleDateFormat, I cannot con

How to parse JSON in Java

How to parse JSON in Java

I have the following JSON text. How can I parse it to get pageName, pagePic, post_id, etc.?{ "pageInfo": { "pageName": "abc", "pagePic": "http://example.com/content.jpg" } "posts": [ { "post_id":

Implementing the command pattern

Implementing the command pattern

I am in the design process of an application, and I would like to use the command pattern for undo/redo purposes. I did some research into the command pattern but the only thing I don't get is: Should a command have the undo and redo method

Java 8 (pre-release) interface member variables

Java 8 (pre-release) interface member variables

Are public members variables in Java 8 interfaces a feature or an implementation side-effect/defect?This question pertains to the pre-release Java 8 build lambda-8-b50-linux-x64-26_jul_2012.tar.gz.Java 8 introduces new features to interface

Wait for n seconds, then next line of code without freezing form

Wait for n seconds, then next line of code without freezing form

Hi I am trying to find a method of waiting a number of milliseconds before moving to the next line of code,I have looked into Thread.Sleep but this will freeze the main form, I would like this to remain active.I tried timers and stopwatches

How to get an element's ID from event.target

How to get an element's ID from event.target

Consider a piece of code that looks like the following:$('body').on('click', function(e){});I know there is a way to get the element type from e.target, i.e. e.target.nodeName, but how can I get the id of that element from that? If that can

Alternative to setAlpha in api level 8

Alternative to setAlpha in api level 8

I am working on an app, which can run on Froyo as well as JellyBean. I have a class that extends PageTransformer as below:import android.support.v4.view.ViewPager.PageTransformer;import android.view.View;public class ZoomOutPageTransformer

Why does the ld linker allow multiple class definitions with the same methods?

Why does the ld linker allow multiple class definitions with the same methods?

Consider this file, first.cpp, containing a class definition and use:#include struct Foo{ Foo(){ std::cout and another, second.cpp, containing a conflicting class definition:#include struct Foo{ Foo(); ~Foo();};Foo::~Foo(){ std::co

Customising the font/background colour of index/section bar in UITableView

Customising the font/background colour of index/section bar in UITableView

I've read in another thread on SO that you can adjust the font or background colour of the index bar (that is the A-Z # scrollbar) in a UITableView adding a CALayer. My app will be running on iOS 5 and above and since I haven't seen anythin

getters and setters style

getters and setters style

(Leaving aside the question of should you have them at all.)I have always preferred to just use function overloading to give you the same name for both getter and setters.int rate() { return _rate; } void rate(int value) { _rate = valu

Routing to the actions with same names but different parameters

Routing to the actions with same names but different parameters

I have this set of routes: routes.MapRoute( "IssueType", "issue/{type}", new { controller = "Issue", action = "Index" } ); routes.MapRoute( "Default", // Route name

Using Html.RenderPartial() in ascx files

Using Html.RenderPartial() in ascx files

I'm trying to use Html.RenderPartial in acsx fileand I'm getting an error: Compiler Error Message: CS1973: 'System.Web.Mvc.HtmlHelper' has no applicable method named 'RenderPartial' but appears to have an extension method by that name. E

Increment an Integer within a HashMap

Increment an Integer within a HashMap

Do I have to return the object and then put a new one in ? Or can I just directly increment ?Integer temp = myMap.get(key);temp++;myMap.put(key, temp);there is no way to just do this (this doesn't work) :myMap.get(key)++; 1: Do I have t

how to verify a method of a non-mock object is called?

how to verify a method of a non-mock object is called?

It seems mockito only verify whether a method of a mock object is called and the mock object always have sth. like doReturn().when(mock object)...But can I creat a mock object and define doReturn().when(mock object)..and then verify a metho

Declarations in extensions cannot override yet error in Swift 4

Declarations in extensions cannot override yet error in Swift 4

I have an extension:public extension UIWindow { override public func topMostController()->UIViewController? { ... }}but for my topMostController I get the next error:Declarations in extensions cannot override yet errorIt works well for S

How to use NULL or empty string in SQL

How to use NULL or empty string in SQL

I would like to know how to use NULL and an empty string at the same time in a WHERE clause in SQL Server. I need to find records that have either null values or an empty string. Thanks. 1:Select *From TableWhere (col is null or col = ''

Isotope: combination filtering + multiple selection

Isotope: combination filtering + multiple selection

To all jQuery heros out there, I need help! (again) I found similar questions to mine on the internet but there were no answers so far :-/I want to filter a bunch of items with jquery isotope. I adapted the combination filter example from t

Rollback transaction inside managed bean

Rollback transaction inside managed bean

I would like to rollback transaction not inside EJB but inside JSF managed bean. Inside EJB we can use SessionContext.setRollBackOnly() but what can I use in managed bean [email protected]@Local(AccountLocal.class)public class AccountBean impleme

xcode - How do I keep views locked into portrait mode, but still allow one view to rotate?

xcode - How do I keep views locked into portrait mode, but still allow one view to rotate?

I'm having a problem with device rotation. Except for ONE view, where I show a company splash screen, I want to lock all the remaining app views into Portrait display. In the project settings the supported orientations are Portrait and La