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  • ImageViewer UserControl

    The article is about a UserControl I wrote. Opposed to PictureBoxes and other methods to displaying images on your forms this one provides a totally diffrent approach.

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  • Google I/O 2012 - Measuring the End-to-End Value of Your App

    Google I/O 2012 - Measuring the End-to-End Value of Your App Neil Rhodes, Nick Mihailovski, Mike Kwong We've rethought mobile app analytics from the ground up. If you are a mobile app developer, come see what's new from the land of Google Analytics; Understand how to measure the end-to-end value of your app, and improve its performance to drive usage and retention. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 69 4 ratings Time: 01:04:12 More in Science & Technology

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  • GDD-BR 2010 [0E] Google Geo: Exciting New Features and Tools

    GDD-BR 2010 [0E] Google Geo: Exciting New Features and Tools Speaker: Ossama Alami Track: Google APIs Time: E [14:40 - 15:25] Room: 0 Level: 151 Did you know we have an elevation web service? That you can completely restyle the look of the map tiles? How to use Fusion Tables to host and visualize geo data? A session covering new launches across Google's Geo products and some APIs you might not be aware of. Covering Web services, Earth API, New KML Extensions, Maps Styling, Fusion Tables. From: GoogleDevelopers Views: 0 0 ratings Time: 44:16 More in Science & Technology

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  • How can a solo programmer become a good team player?

    - by Nick
    I've been programming (obsessively) since I was 12. I am fairly knowledgeable across the spectrum of languages out there, from assembly, to C++, to Javascript, to Haskell, Lisp, and Qi. But all of my projects have been by myself. I got my degree in chemical engineering, not CS or computer engineering, but for the first time this fall I'll be working on a large programming project with other people, and I have no clue how to prepare. I've been using Windows all of my life, but this project is going to be very unix-y, so I purchased a Mac recently in the hopes of familiarizing myself with the environment. I was fortunate to participate in a hackathon with some friends this past year -- both CS majors -- and excitingly enough, we won. But I realized as I worked with them that their workflow was very different from mine. They used Git for version control. I had never used it at the time, but I've since learned all that I can about it. They also used a lot of frameworks and libraries. I had to learn what Rails was pretty much overnight for the hackathon (on the other hand, they didn't know what lexical scoping or closures were). All of our code worked well, but they didn't understand mine, and I didn't understand theirs. I hear references to things that real programmers do on a daily basis -- unit testing, code reviews, but I only have the vaguest sense of what these are. I normally don't have many bugs in my little projects, so I have never needed a bug tracking system or tests for them. And the last thing is that it takes me a long time to understand other people's code. Variable naming conventions (that vary with each new language) are difficult (__mzkwpSomRidicAbbrev), and I find the loose coupling difficult. That's not to say I don't loosely couple things -- I think I'm quite good at it for my own work, but when I download something like the Linux kernel or the Chromium source code to look at it, I spend hours trying to figure out how all of these oddly named directories and files connect. It's a programming sin to reinvent the wheel, but I often find it's just quicker to write up the functionality myself than to spend hours dissecting some library. Obviously, people who do this for a living don't have these problems, and I'll need to get to that point myself. Question: What are some steps that I can take to begin "integrating" with everyone else? Thanks!

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  • Google I/O 2012 - Building Android Applications that Use Web APIs

    Google I/O 2012 - Building Android Applications that Use Web APIs Yaniv Inbar Google offers a large and growing set of back-end services, from AdSense to Tasks to Calendar to Google+, that can enrich your app, and increasingly they have a uniform set of APIs. This session discusses how to use them efficiently and securely, including authenticating safely and with good user experience, and describes Android-specific app-level optimizations. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 563 12 ratings Time: 55:14 More in Science & Technology

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  • Lock mouse in center of screen, and still use to move camera Unity

    - by Flotolk
    I am making a program from 1st person point of view. I would like the camera to be moved using the mouse, preferably using simple code, like from XNA var center = this.Window.ClientBounds; MouseState newState = Mouse.GetState(); if (Keyboard.GetState().IsKeyUp(Keys.Escape)) { Mouse.SetPosition((int)center.X, (int)center.Y); camera.Rotation -= (newState.X - center.X) * 0.005f; camera.UpDown += (newState.Y - center.Y) * 0.005f; } Is there any code that lets me do this in Unity, since Unity does not support XNA, I need a new library to use, and a new way to collect this input. this is also a little tougher, since I want one object to go up and down based on if you move it the mouse up and down, and another object to be the one turning left and right. I am also very concerned about clamping the mouse to the center of the screen, since you will be selecting items, and it is easiest to have a simple cross-hairs in the center of the screen for this purpose. Here is the code I am using to move right now: using UnityEngine; using System.Collections; [AddComponentMenu("Camera-Control/Mouse Look")] public class MouseLook : MonoBehaviour { public enum RotationAxes { MouseXAndY = 0, MouseX = 1, MouseY = 2 } public RotationAxes axes = RotationAxes.MouseXAndY; public float sensitivityX = 15F; public float sensitivityY = 15F; public float minimumX = -360F; public float maximumX = 360F; public float minimumY = -60F; public float maximumY = 60F; float rotationY = 0F; void Update () { if (axes == RotationAxes.MouseXAndY) { float rotationX = transform.localEulerAngles.y + Input.GetAxis("Mouse X") * sensitivityX; rotationY += Input.GetAxis("Mouse Y") * sensitivityY; rotationY = Mathf.Clamp (rotationY, minimumY, maximumY); transform.localEulerAngles = new Vector3(-rotationY, rotationX, 0); } else if (axes == RotationAxes.MouseX) { transform.Rotate(0, Input.GetAxis("Mouse X") * sensitivityX, 0); } else { rotationY += Input.GetAxis("Mouse Y") * sensitivityY; rotationY = Mathf.Clamp (rotationY, minimumY, maximumY); transform.localEulerAngles = new Vector3(-rotationY, transform.localEulerAngles.y, 0); } while (Input.GetKeyDown(KeyCode.Space) == true) { Screen.lockCursor = true; } } void Start () { // Make the rigid body not change rotation if (GetComponent<Rigidbody>()) GetComponent<Rigidbody>().freezeRotation = true; } } This code does everything except lock the mouse to the center of the screen. Screen.lockCursor = true; does not work though, since then the camera no longer moves, and the cursor does not allow you to click anything else either.

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  • Twitter like character counter - jQuery version

    - by bipinjoshi
    My recent article titled "Displaying a Character Counter for Multiline Textboxes" shows you how to create a character counter like Twitter for multiline textboxes. The articles does so using ASP.NET AJAX client behavior. Here is a jQuery version of the code that does similar job. Note, however, that unlike ASP.NET AJAX client behavior as illustrated in the article the following code takes a "function" based approach to quickly implement similar functionality.http://www.bipinjoshi.net/articles/84e691b2-0306-4911-87bb-875806ba981b.aspx

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  • Build & Install Ruby Gems with Rake

    - by kerry
    Are you using rake to build your gems?  Have you ever wished there were an install task to install it to your machine?  I, for one, have written something like this a few times: 1: desc 'Install the gem' 2: task :install do 3: exec 'gem install pkg/goodies-0.1.gem' 4: end 5:  That is pretty straightforward.  However, this will not work under JRuby on Mac where the command should be ‘jgem’.  So we can enhance it to detect the platform, and host OS: 1: desc 'Install the gem' 2: task :install do 3: executable = RUBY_PLATFORM[/java/] && Config::CONFIG[/darwin/] ? 'jgem' : 'gem' 4: exec "#{executable} install pkg/goodies-0.1.gem" 5: end This is a little better.  I am still not comfortable with the sloppiness of building a shell command and executing it though.  It is possible to do it with strictly Ruby.  I am also going namespace it to integrate better with the GemPackageTask.  Now it will be accessed via ‘rake gem:install’ 1: desc 'Install the gem' 2: namespace 'gem' do 3: task :install do 4: Gem::Installer.new('pkg/goodies-0.1.gem').install 5: end 6: end   I have included this in the goodies gem 0.2, so go ahead and install it!  ‘gem install goodies’

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  • Google I/O 2012 - Dart - A Modern Web Language

    Google I/O 2012 - Dart - A Modern Web Language Lars Bak, Kasper Lund The two creators of Dart will discuss the rationale behind Dart's design and its impact on web scalability and performance. They'll also present how Dart helps developers innovate by increasing their productivity without breaking backwards compatibility. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 2066 36 ratings Time: 01:03:40 More in Science & Technology

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  • Obtaining positional information in the IEnumerable Select extension method

    - by Kyle Burns
    This blog entry is intended to provide a narrow and brief look into a way to use the Select extension method that I had until recently overlooked. Every developer who is using IEnumerable extension methods to work with data has been exposed to the Select extension method, because it is a pretty critical piece of almost every query over a collection of objects.  The method is defined on type IEnumerable and takes as its argument a function that accepts an item from the collection and returns an object which will be an item within the returned collection.  This allows you to perform transformations on the source collection.  A somewhat contrived example would be the following code that transforms a collection of strings into a collection of anonymous objects: 1: var media = new[] {"book", "cd", "tape"}; 2: var transformed = media.Select( item => 3: { 4: Media = item 5: } ); This code transforms the array of strings into a collection of objects which each have a string property called Media. If every developer using the LINQ extension methods already knows this, why am I blogging about it?  I’m blogging about it because the method has another overload that I hadn’t seen before I needed it a few weeks back and I thought I would share a little about it with whoever happens upon my blog.  In the other overload, the function defined in the first overload as: 1: Func<TSource, TResult> is instead defined as: 1: Func<TSource, int, TResult>   The additional parameter is an integer representing the current element’s position in the enumerable sequence.  I used this information in what I thought was a pretty cool way to compare collections and I’ll probably blog about that sometime in the near future, but for now we’ll continue with the contrived example I’ve already started to keep things simple and show how this works.  The following code sample shows how the positional information could be used in an alternating color scenario.  I’m using a foreach loop because IEnumerable doesn’t have a ForEach extension, but many libraries do add the ForEach extension to IEnumerable so you can update the code if you’re using one of these libraries or have created your own. 1: var media = new[] {"book", "cd", "tape"}; 2: foreach (var result in media.Select( 3: (item, index) => 4: new { Item = item, Index = index })) 5: { 6: Console.ForegroundColor = result.Index % 2 == 0 7: ? ConsoleColor.Blue : ConsoleColor.Yellow; 8: Console.WriteLine(result.Item); 9: }

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  • Dartisans Ep. 16: Dart and Web Components Reloaded

    Dartisans Ep. 16: Dart and Web Components Reloaded In this episode of Dartisans, Dimitri Glazkov (one of the godfathers of Web Components) will give a presentation on Web Components. Also, John Messerly and Siggi Cherem (who helped build the dart-lang/dart-web-components library) will give a presentation on using Web Components in Dart. A lot of things have changed since our last episode focused on Web Components, and this is shaping up to be an awesome edition of Dartisans! From: GoogleDevelopers Views: 0 0 ratings Time: 01:00:00 More in Science & Technology

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  • Migrating from .co.uk to .uk [on hold]

    - by DD.
    I currently run the site https://www.example.co.uk and I'm considering migrating to https://www.example.uk to take advantage of the new shorter domain. When migrating the domain in Google Webmaster Tools...will all the authority from the old domain pass if I use 301 redirects? Does anyone know how all the reviews I have collected will get transferred to the new domain when using the AdWords seller ratings? Any other important issues to be wary of when migrating to the new domain?

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  • More Maintenance Plan Weirdness

    - by AjarnMark
    I’m not a big fan of the built-in Maintenance Plan functionality in SQL Server.  I like the interface in SQL 2005 better than 2000 (it looks more like building an SSIS package) but it’s still a bit of a black box.  You don’t really know what commands are being run based on the selections you have made, and you can easily make some unwise choices without realizing it, such as shrinking your database on a regular basis.  I really prefer to know exactly what commands and with which options are being run on my servers. Recently I had another very strange thing happen with a Maintenance Plan, this time in SQL 2005, SP3.  I inherited this server and have done a bit of cleanup on it, but had not yet gotten around to replacing the Maintenance Plans with all my own scripts.  However, one of the maintenance plans which was just responsible for doing LOG backups was running more frequently than that system needed, and I thought I would just tweak the schedule a bit.  So I opened the Maintenance Plan and edited the properties of the Subplan, setting a new schedule, saved it and figured all was good to go.  But the next execution of the Scheduled Job that triggers the Maintenance Plan code failed with an error about the Owner of the job.  Specifically the error was, “Unable to determine if the owner (OldDomain\OldDBAUserID) of job MaintenancePlanName.Subplan has server access (reason: Could not obtain information about Windows NT group/user 'OldDomain\OldDBAUserID’..”  I was really confused because I had previously updated all of the jobs to have current accounts as the owners.  At first I thought it was just a fluke, but it happened on the next scheduled cycle so I investigated further and sure enough, that job had the old DBA’s account listed as the owner.  I fixed it and the job successfully ran to completion. Now, I don’t really like mysteries like that, so I did some more testing and verified that, sure enough, just editing the Subplan schedule and saving the Maintenance Job caused the Scheduled Job to be recreated with the old credentials.  I don’t know where it is getting those credentials, but I can only assume that it is the same as the original creator of the Maintenance Plan, and for some reason it insists on using that ID for the job owner.  I looked through the options in SSMA and could not find anything would let me easily set the value that I wanted it to use.  I suspect that if I did something like executing sp_changeobjectowner against the Maintenance Plan that it would use that new ID instead.  I’m sure that there is good reason that it works this way, but rather than mess around with it much more, I’m just going to spend my time rolling out my replacement scripts instead. Chalk this little hidden oddity up as yet one more reason I’m not a fan of Maintenance Plans.

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