# Latest **URL:** https://forum.kirupa.com/latest.md?page=118 [Latest](https://forum.kirupa.com/latest.md) · [Categories](https://forum.kirupa.com/categories.md) **Page:** 119 --- ## [Dealing With State in React | kirupa.com](https://forum.kirupa.com/t/dealing-with-state-in-react-kirupa-com/636207)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 8\ **Last updated:** [June 16, 2018, 3:15pm UTC](https://forum.kirupa.com/t/dealing-with-state-in-react-kirupa-com/636207 "2018-06-16T15:15:40Z")
Up until this point, the components we've created have been stateless. They have properties (aka props) that are passed in from their parent, but nothing changes about them once the components come alive. Your properties… --- ## [How to Check if Multiple Instances of a Word are in a String in AS3?](https://forum.kirupa.com/t/how-to-check-if-multiple-instances-of-a-word-are-in-a-string-in-as3/638361)
**Author:** [@Twisted4000](https://forum.kirupa.com/u/Twisted4000)\ **Replies:** 2\ **Last updated:** [June 15, 2018, 5:40pm UTC](https://forum.kirupa.com/t/how-to-check-if-multiple-instances-of-a-word-are-in-a-string-in-as3/638361 "2018-06-15T17:40:46Z")
I know how to check if a specific word exists within a string in AS3 by doing the following: if (inventory.text.indexOf(“item”) \>= 0) { //do something } But what I don’t know how to do i… --- ## [kirupa.com - Silverlight/WPF: Adding Controls Programmatically - Page 1](https://forum.kirupa.com/t/kirupa-com-silverlight-wpf-adding-controls-programmatically-page-1/643278)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [June 15, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-silverlight-wpf-adding-controls-programmatically-page-1/643278 "2018-06-15T07:00:00Z")
by kirupa | 15 April 2009 For most of the Silverlight and WPF tutorials on this site, I have shown you how you can use Expression Blend to easily create an application. This often involved drawing out a cont… --- ## [kirupa.com - Reading XML Files Sequentially - Page 3](https://forum.kirupa.com/t/kirupa-com-reading-xml-files-sequentially-page-3/643273)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [June 15, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-reading-xml-files-sequentially-page-3/643273 "2018-06-15T07:00:00Z")
by kirupa | 18 January 2007 In the previous page, I described how to approach reading an XML file, and then provided some code and began explaining what the code does. This page picks up from where we last lef… --- ## [HTTP request in Typescript](https://forum.kirupa.com/t/http-request-in-typescript/638346)
**Author:** [@Li\_Cy](https://forum.kirupa.com/u/Li_Cy)\ **Replies:** 2\ **Last updated:** [June 14, 2018, 11:16am UTC](https://forum.kirupa.com/t/http-request-in-typescript/638346 "2018-06-14T11:16:35Z")
How do I make a http request with header token in Typescript without AJAX call? Thanks! --- ## [How to hide a menu button on the login page](https://forum.kirupa.com/t/how-to-hide-a-menu-button-on-the-login-page/638265)
**Author:** [@123411](https://forum.kirupa.com/u/123411)\ **Replies:** 5\ **Last updated:** [May 24, 2018, 1:34pm UTC](https://forum.kirupa.com/t/how-to-hide-a-menu-button-on-the-login-page/638265 "2018-05-24T13:34:10Z")
Hello members, I would like to know how i can hide a menu button on the login page using reactjs so that the user can not be able to view and access the menu button until he/she login successfully. your suggestion is we… --- ## [Anybody use PYTHON?](https://forum.kirupa.com/t/anybody-use-python/138432)
**Author:** [@sky\_vault](https://forum.kirupa.com/u/sky_vault)\ **Replies:** 0\ **Last updated:** [February 22, 2005, 5:58pm UTC](https://forum.kirupa.com/t/anybody-use-python/138432 "2005-02-22T17:58:17Z")
Im just wondering what im getting myself into Like whats the learning curve say to that of actionscript What and how does it compare with other languages Ive found some resources online and am going to check those out … --- ## [react keys](https://forum.kirupa.com/t/react-keys/638349)
**Author:** [@ollie-w](https://forum.kirupa.com/u/ollie-w)\ **Replies:** 1\ **Last updated:** [June 10, 2018, 6:42pm UTC](https://forum.kirupa.com/t/react-keys/638349 "2018-06-10T18:42:32Z")
I am getting the error Warning: Todo:keyis not a prop. Trying to access it will result inundefinedbeing returned. If you need to access the same value within the child component, you should pass it as a different prop. F… --- ## [kirupa.com - Create a Motion Tween in Flash MX 2004](https://forum.kirupa.com/t/kirupa-com-create-a-motion-tween-in-flash-mx-2004/643231)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [June 9, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-create-a-motion-tween-in-flash-mx-2004/643231 "2018-06-09T07:00:00Z")
Creating a Motion Tween by kirupa What exactly is a motion tween? First, let's imagine that you place a box on the table. Now, imagine, that after 10 seconds, the box suddenly disappears and magically ap… --- ## [kirupa.com - Launching the Browser](https://forum.kirupa.com/t/kirupa-com-launching-the-browser/643210)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [June 8, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-launching-the-browser/643210 "2018-06-08T07:00:00Z")
by kirupa | 3 August 2010 In Windows Phone 7, you can navigate to web sites using the browser just as easily as you can navigate between pages of your application. Here is a really short video that shows how… --- ## [Closures - Local vs Private ?](https://forum.kirupa.com/t/closures-local-vs-private/638335)
**Author:** [@kayut](https://forum.kirupa.com/u/kayut)\ **Replies:** 1\ **Last updated:** [June 6, 2018, 1:52pm UTC](https://forum.kirupa.com/t/closures-local-vs-private/638335 "2018-06-06T13:52:02Z")
Hey, When I read about Closures, it’s often said that we are using Closures to create private variable, that cannot be accessed outside the function. But isn’t it that this is true for all local variables inside a func… --- ## [kirupa.com - Creating a Text Scroller](https://forum.kirupa.com/t/kirupa-com-creating-a-text-scroller/643188)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [June 5, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-creating-a-text-scroller/643188 "2018-06-05T07:00:00Z")
Creating a Text Scroller written by kirupa chinnathambi Ever tried creating a text scroller to scroll a few lines of text in Flash 5? If you haven't consider yourself lucky! Creating a text scroller in Fl… --- ## [Comparing a closure with and without IIFE](https://forum.kirupa.com/t/comparing-a-closure-with-and-without-iife/638327)
**Author:** [@kayut](https://forum.kirupa.com/u/kayut)\ **Replies:** 1\ **Last updated:** [June 4, 2018, 9:38pm UTC](https://forum.kirupa.com/t/comparing-a-closure-with-and-without-iife/638327 "2018-06-04T21:38:23Z")
Hey, If I use a closure inside an IIFE like this: var outerFunction = (function() { // this is an IIFE const outer = \`I'm the outer function!\`; var innerFunction = function() { const inner = \`I'm th… --- ## [TypeError: this.props.actions.createUserSessionAction is not a function](https://forum.kirupa.com/t/typeerror-this-props-actions-createusersessionaction-is-not-a-function/638325)
**Author:** [@123411](https://forum.kirupa.com/u/123411)\ **Replies:** 1\ **Last updated:** [June 4, 2018, 4:14pm UTC](https://forum.kirupa.com/t/typeerror-this-props-actions-createusersessionaction-is-not-a-function/638325 "2018-06-04T16:14:11Z")
Can someone help me and tell me what this error means and how i can solve this error ?? TypeError: this.props.actions.createUserSessionAction is not a function Login.createSession 46 | this.displayMessage(null); … --- ## [kirupa.com - Event Handlers in WPF - Page 4](https://forum.kirupa.com/t/kirupa-com-event-handlers-in-wpf-page-4/643086)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [June 4, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-event-handlers-in-wpf-page-4/643086 "2018-06-04T07:00:00Z")
by kirupa | 1 March 2007 You've reached the last page! In the previous page, I discussed what the sender object will help you do, and in this page I will explain the event argument and wrap things up! This … --- ## [kirupa.com - Silverlight Tutorial: Creating Hello World in Silverlight 2: Page 3](https://forum.kirupa.com/t/kirupa-com-silverlight-tutorial-creating-hello-world-in-silverlight-2-page-3/643085)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [June 4, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-silverlight-tutorial-creating-hello-world-in-silverlight-2-page-3/643085 "2018-06-04T07:00:00Z")
by kirupa | 27 March 2008 In the previous page, you modified your textblock to say hello, world, and you also changed the font and font size. The last few things we are going to focus on are making some mino… --- ## [kirupa.com - Creating a Web Service, Page 5](https://forum.kirupa.com/t/kirupa-com-creating-a-web-service-page-5/643074)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [June 3, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-creating-a-web-service-page-5/643074 "2018-06-03T07:00:00Z")
by kirupa | 11 August 2006 In the previous page, you finished creating your web service. In this page, I will provide a quick recap of why what you did earlier works, and I will conclude with an explanation of … --- ## [kirupa.com - Simple Page Navigation](https://forum.kirupa.com/t/kirupa-com-simple-page-navigation/643064)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [June 2, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-simple-page-navigation/643064 "2018-06-02T07:00:00Z")
by kirupa | 3 August 2010 Have questions? Discuss this Windows Phone 7 tutorial with others on the forums. This is a companion discussion topic for the original entry at https://www.kirupa.com/windowsphone/sim… --- ## [Javascript floating point is getting complicated](https://forum.kirupa.com/t/javascript-floating-point-is-getting-complicated/637655)
**Author:** [@preethamRaja](https://forum.kirupa.com/u/preethamRaja)\ **Replies:** 7\ **Last updated:** [May 31, 2018, 7:11pm UTC](https://forum.kirupa.com/t/javascript-floating-point-is-getting-complicated/637655 "2018-05-31T19:11:06Z")
Hello, I got inspiration from the “Animating Many Things on a Canvas” tutorial of this website and wanted to create a canvas animation of similar sorts but which looks like a single line tracing the path of the fibonacc… --- ## [\[survey\] Front-End Code Playground tools](https://forum.kirupa.com/t/survey-front-end-code-playground-tools/638277)
**Author:** [@jasperf](https://forum.kirupa.com/u/jasperf)\ **Replies:** 1\ **Last updated:** [May 31, 2018, 4:45pm UTC](https://forum.kirupa.com/t/survey-front-end-code-playground-tools/638277 "2018-05-31T16:45:24Z")
Hello :slight\_smile: I am writing master thesis about Front-End Code Playground tools (tools for creating and testing Front-End code, operating via a web browser - e.g. CodePen, JSFiddle). I would really appreciate your … --- ## [kirupa.com - Silverlight Tutorial: Creating a Custom Button: Page 3](https://forum.kirupa.com/t/kirupa-com-silverlight-tutorial-creating-a-custom-button-page-3/643037)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [May 31, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-silverlight-tutorial-creating-a-custom-button-page-3/643037 "2018-05-31T07:00:00Z")
by kirupa | 22 November 2008 In the previous page, you converted your image into a button and edited the button's template. In this page, we will wrap things up by adding the rollover effects that you need. … --- ## [kirupa.com - Modifying a DataBound Collection: Page 8](https://forum.kirupa.com/t/kirupa-com-modifying-a-databound-collection-page-8/643034)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [May 31, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-modifying-a-databound-collection-page-8/643034 "2018-05-31T07:00:00Z")
by kirupa | 9 December 2007 In the previous page, we finished up (most) of our explanation on why the code we added works by looking at each line. In this page, we'll wrap up the code explanation and take a … --- ## [Actionscript 4.0](https://forum.kirupa.com/t/actionscript-4-0/282166)
**Author:** [@blehehe](https://forum.kirupa.com/u/blehehe)\ **Replies:** 6\ **Last updated:** [May 30, 2018, 11:00pm UTC](https://forum.kirupa.com/t/actionscript-4-0/282166 "2018-05-30T23:00:52Z")
This is my first post but one of concern to me, I apologize in advance if this topic has been covered in a different thread. If so, please direct me to it, well I will be doing some searches later. I am learning Action… --- ## [kirupa.com - Intro to SQL Server with ASP.NET - Page 6](https://forum.kirupa.com/t/kirupa-com-intro-to-sql-server-with-asp-net-page-6/643030)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [May 30, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-intro-to-sql-server-with-asp-net-page-6/643030 "2018-05-30T07:00:00Z")
by kirupa | 25 December 2006 In the previous page you learned how to get a GridView control to display data from our database. You have everything you need to have a working input form with a results page, but… --- ## [kirupa.com - Creating Line Charts, Page 6](https://forum.kirupa.com/t/kirupa-com-creating-line-charts-page-6/643029)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [May 30, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-creating-line-charts-page-6/643029 "2018-05-30T07:00:00Z")
by kirupa | 23 September 2006In the previous page, you learned how the code normalizes and draws things on the screen. In this, the last page, I'll wrap up the tutorial by covering how the border lines are draw… --- ## [kirupa.com - Element to Element Data Binding, Page 2](https://forum.kirupa.com/t/kirupa-com-element-to-element-data-binding-page-2/643024)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [May 30, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-element-to-element-data-binding-page-2/643024 "2018-05-30T07:00:00Z")
by kirupa | 29 July 2009 In the previous page, you received a brief introduction to element to element data binding and got started creating a small example. In this page, let's continue working on our exam… --- ## [Object Moves On Mouse Hover](https://forum.kirupa.com/t/object-moves-on-mouse-hover/638253)
**Author:** [@Amalzak](https://forum.kirupa.com/u/Amalzak)\ **Replies:** 3\ **Last updated:** [May 23, 2018, 9:56am UTC](https://forum.kirupa.com/t/object-moves-on-mouse-hover/638253 "2018-05-23T09:56:09Z")
I am a beginner web designer and developer, and i want to design a banner made up of small squares. When the mouse hovers on one of those squares, they all scatter and move out of the screen. How can i do this using htm… --- ## [kirupa.com - Silverlight and WPF Tutorial: References and Using Directives, Page 3](https://forum.kirupa.com/t/kirupa-com-silverlight-and-wpf-tutorial-references-and-using-directives-page-3/643019)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [May 29, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-silverlight-and-wpf-tutorial-references-and-using-directives-page-3/643019 "2018-05-29T07:00:00Z")
by kirupa | 20 July 2008 In the previous page, you applied the vague description of using directives and references by looking at a real example. While that should have given you some hands-on experience see… --- ## [kirupa.com - Designing for Multiple Orientations](https://forum.kirupa.com/t/kirupa-com-designing-for-multiple-orientations/643014)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [May 29, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-designing-for-multiple-orientations/643014 "2018-05-29T07:00:00Z")
by kirupa | 14 July 2010 Unlike a typical desktop or laptop, applications on your phone can be designed to work well when viewed in either portrait orientation or in landscape orientation. I emphasize "can b… --- ## [kirupa.com - Data Binding to XML Data: Page 8](https://forum.kirupa.com/t/kirupa-com-data-binding-to-xml-data-page-8/643012)
**Author:** [@kirupa](https://forum.kirupa.com/u/kirupa)\ **Replies:** 0\ **Last updated:** [May 29, 2018, 7:00am UTC](https://forum.kirupa.com/t/kirupa-com-data-binding-to-xml-data-page-8/643012 "2018-05-29T07:00:00Z")
by kirupa | 22 January 2008 In the previous page, we wrapped up the tutorial by covering the last major piece of the puzzle which was making our results look nice. In this page, let's take a quick review of … [Previous page](https://forum.kirupa.com/latest.md?page=117) [Next page](https://forum.kirupa.com/latest.md?page=119)