Randomisation

When a 'z' just doesn't cut it... (Oren Nachman's random notes from Microsoft)

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  • Blog Post: Last Minute Perf Video for Mango

    I had the opportunity to join Microsoft Research and this year's Interns at a recent XAPfest event (a regular internal Windows Phone development event) and give a performance talk for Mango / Tango (i.e. WP 7.x) - here's hoping it's the last one before we move on to Windows Phone 8! To check it (and...
  • Blog Post: WP Emulator Crashing on Windows 8? Here's a Fix

    Don't you just hate it when you upgrade to a new OS (even when it's a beta) and everything works amazingly well, except for that one critical bit of infrastructure that just fails? That's kind of how you might be feeling if you boot up your brand spanking new Windows 8 install, install VS 2010 and the...
  • Blog Post: Windows Phone Power Tools 1.1

    Grab them here I received a fair amount of feedback about the first version of the Power Tools mainly focused around the UI (people like modern today) and around " bug #1 ", which prevented files from uploading to the correct path in IsolatedStorage. I've just pushed a major UI rehaul to something...
  • Blog Post: Windows Phone Power Tools

    Necessity may be the mother of invention, but it's also often the mother of Open Source tools which are not really reinventing the wheel, but perhaps make our lives just that little bit easier (or more functional). A common pain point, especially as more and more developers move their apps to Mango is...
  • Blog Post: Windows Phone App Lookup Tool

    Ever ended up with an application's GUID but not with the app's name? Probably not, but just in case you do ever need to reverse lookup a Windows Phone's app name from its GUID, you can grab App Lookup . It's also Open Source (i.e. not official Microsoft), so feel free to grab it, fork it and send through...
  • Blog Post: Getting Started with Node.js and Mango

    It's been a while since I've found time to blog - but it's not like I've left you in cold hands. Rohan has been doing a great job posting on the Silverlight for Windows Phone Performance blog (check it out if you haven't yet). On a completely non-performance related topic (we'll get to those in the...
  • Blog Post: Marketplace Updates Galore! More Free Apps, No need for Support in your app

    Woo! All registered Marketplace should have gotten their regular newsletter which this time comes packed with goodies: Free app submissions ramped from 5 to 100! The assumption here is that this is submissions and not actual apps (so if you fail an initial submission you lose a token), but updates...
  • Blog Post: Marketplace FAQ: What do the different app statuses mean?

    Now that we're out of the woods with the unlimited free app updates policy being clarified, it's time to go back to our Marketplace roots and clear up some misconceptions around the different statuses that your app can have as it passes through certification. "Submission In Progress" - this...
  • Blog Post: WP7 Marketplace Tip: Submitted a support request and never heard back?

    If you submitted a request via AppHub, to either the "Device Unlock" or "Account Management" categories and never heard back then your request has most likely gotten stuck somewhere. So What Do I Do? The problem has been found and will be fixed by Friday - so resubmit your request any time after...
  • Blog Post: WP Marketplace FAQ: What happens to my apps if I don't renew my subscription

    The Question I've signed up for the Windows Phone marketplace and submitted my apps. They're selling well - but I'm not actually planning on doing any more development, so I don't think I need to renew my subscription. What happens if I don't pay the Marketplace renewal fee at the end of the year...
  • Blog Post: WP7 Marketplace FAQ: Do my free app submissions reset every year?

    Summary Yes. Seriously? Yup, you get 5 free submission credits a year, so every year you could potentially submit another 5 free applications to the marketplace (not to mention the unlimited free updates to existing free applications). Can I see how many submission credits I have left? ...
  • Blog Post: WP7 Silverlight Gotcha: Using the ListPicker from the Toolkit may cause you to fail certification

    Applies To: Anyone using the current iteration of the Silverlight Tookit from Nov 2010 Toolkit Link: http://silverlight.codeplex.com/releases Quick Bits A Toolkit ListPicker control that has less than 5 items in it will display inline (expands) but will not collapse when you press the back button...
  • Blog Post: WP7 Marketplace Tip #3: Free app updates are free, even if they fail!

    This has finally been clarified by the Marketplace team as the most current, up to date, lore on the subject of free app updates - they're free, they don't count towards your 5 free submissions, even if they fail. Here's the word for word story straight from a Marketplace PM: Paid Developer (USD...
  • Blog Post: WP7 Marketplace Reporting Outage

    Hot on the heels of the previous post (but, unfortunately, not related) the Marketplace team have sent out a notice that there will be a reporting outage affecting Trial and Free download numbers for the next couple of days: Details: Starting tomorrow (1/6), developers will see a drop in the...
  • Blog Post: New Year, New WP7 Marketplace Clarifications

    Check out the final word: http://blogs.msdn.com/b/oren/archive/2011/01/09/marketplace-tip-3-free-app-updates-are-free-even-if-they-fail.aspx I'm starting the year off a couple of days late so there's plenty to catch up on... We've got some new policy clarifications incoming from the Windows Phone...
  • Blog Post: WP7 Silverlight Gotcha: Setting the Source on a MediaElement will stop background music playback

    Applies To: Silverlight (the restriction applies to XNA, but the MediaElement is only Silverlight) Quick Bits Simply setting the Source of a MediaElement to a valid source will stop any current background playback, causing you to fail Marketplace certification, according to section 6.5.1 from the...
  • Blog Post: WP7 Dev Tip: Detecting whether or not the user is playing music in the background

    Applies To: Silverlight & XNA Quick Bits Microsoft.Xna.Framework.Media.MediaPlayer.GameHasControl The Setup Your app does some sort of music playing that doesn't make sense to blend into any already playing background music (for example, you're going to stream your own music) or you simply...
  • Blog Post: WP7 Gotcha: Showing a Launcher or Chooser will crash while Navigating

    Applies To: Silverlight & XNA (anyone using Launchers / Choosers) Quick Bits Always wrap [some launcher object].Show() with a try/catch block which catches InvalidOperationException , since running Show() while navigating (for example, if the user clicks your button multiple times quickly in...
  • Blog Post: WP7 Marketplace Tip #2.5 - Free App + Updates Policy Clarified (finally)

    It's been a while, and there's been a lot of confusion surrounding this topic of "5 free apps", so here's the final low down: Unlimited number of paid applications This includes updates to said applications A paid application cannot be made free 5 submissions of free applications...
  • Blog Post: Silverlight Performance at TechEd Europe

    If you happen to be down at TechEd Europe this week, don't forget to come by the Windows Phone 7 and Silverlight booths (they're opposite each other in the Technical Learning Centre) and say hello. You'll get to play with some phones from HTC and interact directly with both teams - don't miss out! ...
  • Blog Post: WP7 Silverlight Perf Demo 1: VirtualizingStackPanel vs. StackPanel as a ListBox ItemsPanel

    This is the first in a series of blog posts which run through the demos from my PDC 2010 talk , with small updates and full code download. The Demo Download the sample Load the xap and then compare the two scenarios on the main page. Look out for: The smoothness (if at all) of the...
  • Blog Post: WP7 Marketplace Tip #2: 5 Free Apps == 5 Free App *Submissions*

    Updated Policy! Sure, the App Hub site says : Submit up to five free apps to Windows Phone Marketplace, additional submissions are $19.99 USD But here's what it really means: Submit up to five free apps (including updates) to the Windows Phone Marketplace, additional submissions (of apps...
  • Blog Post: Silverlight for Windows Phone 7 Performance Session at PDC!

    It's that time of year again - PDC 2010 kicks of tomorrow! Join the Silverlight Performance Team as we take you through the high level analysis of common performance issues that apps commonly run into. I'll be giving a live session titled "Optimizing Performance for Silverlight WP7 Apps" at 3:15pm (PDT...
  • Blog Post: Silverlight: Why do I get 0x8000ffff when using WriteableBitmap on an Element

    I'm working on a WP7 library which helps analyze your VisualTree and to provide a visual aid, I take WriteableBitmap snaps of the elements. Unfortunately I (seemingly) randomly encounter the following exception: A first chance exception of type 'System.Exception' occurred in System.Windows.dll...
  • Blog Post: WP7 Marketplace Tip #1: Submit one app with multiple locales

    ... as opposed to multiple apps, each with a different locale. Why? If these are free apps, then each language will count towards your free app quota (you get 5 free apps that you don't need to pay certification costs for) Regardless of price, each app will need to go through independent...
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