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Linq: GroupBy, Sum and Count

...t "result with sample data" is coming from, but the problem in the console app is that you're using SelectMany to look at each item in each group. I think you just want: List<ResultLine> result = Lines .GroupBy(l => l.ProductCode) .Select(cl => new ResultLine { ...
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Remove the bottom divider of an android ListView

... seems to no longer work starting with 4.4.2. I can run literally the same app across my many test devices (ranging from 2.3.7 all the way up until 4.4.2) and KitKat is the only one where this seems to have no effect... Any ideas? I'm not adding a footer or header to my ListView and I've reproduced ...
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WebForms UnobtrusiveValidationMode requires a ScriptResourceMapping for 'jquery'. Please add a Scrip

I'm building a web application using Visual Studio 2012. I'm attempting to add word count into my textbox. However after adding the the javascript codes and the html codes. I receive the error as stated above. ...
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Sending a notification from a service in Android

...ang.CharSequence contentTitle, java.lang.CharSequence contentText, android.app.PendingIntent contentIntent) { /* compiled code */ } Better way You can send a notification like this: // prepare intent which is triggered if the // notification is selected Intent intent = new Intent(this, Notificat...
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iOS 7.0 No code signing identities found

...l. For BundleIdentifier. com.yourcompanyName.Something (Put same as in AppId) CodeSigningIdentity. Select The Provisioning profile which you created. share | improve this answer ...
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Are HTTPS URLs encrypted?

...ntion a browser). Using a custom https call behind the scenes in a native app. It's a simple solution to making sure your app's sever connection is secure. – zingle-dingle May 28 '13 at 23:12 ...
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Algorithm to detect corners of paper sheet in photo

... Hi Daniel, thanks for getting involved. I like you approach. its actually the route Im getting good results with at the moment. There was even and OpenCV example what detected the rectangles. Just had to do some filtering on the results. as you were saying the white on white ...
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How to fix getImageData() error The canvas has been tainted by cross-origin data?

...onymous"; This only works if the remote server sets the following header appropriately: Access-Control-Allow-Origin "*" The Dropbox file chooser when using the "direct link" option is a great example of this. I use it on oddprints.com to hoover up images from the remote dropbox image url, into ...
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Does Django scale? [closed]

I'm building a web application with Django. The reasons I chose Django were: 29 Answers ...
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Implementing INotifyPropertyChanged - does a better way exist?

Microsoft should have implemented something snappy for INotifyPropertyChanged , like in the automatic properties, just specify {get; set; notify;} I think it makes a lot of sense to do it. Or are there any complications to do it? ...