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A pure C# Open Source QR Code implementation. ... QR codes are generated byusing special structured payload string, when generating the QR code .

Once you have uploaded the code, power the Arduino down for a second. Then make sure that your ultrasonic sensor is still and pointing at something that is not moving. Putting it flat on a table and pointing it at your ceiling will work best. Make sure that nothing is near the sensor when you power the Arduino back up. When the device is first powered up, it runs through a calibration routine for the first read cycle. Make sure nothing is moving around in its beam while this takes place, otherwise you will get inaccurate readings. This information is then used to determine the range to objects in the line of sight of the sensor. Measure the distance between the sensor and the ceiling, and this distance (roughly) will be output from the serial monitor when you open it up. If the distance is inaccurate, power the Arduino down and back up, allowing the device to calibrate without obstacles. By moving the sensor around or by raising and lowering your hand over the sensor, the distance to the object placed in its path will be displayed on the serial monitor.

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How to display a QR code in ASP . NET and WPF - Scott Hanselman
19 Jan 2014 ... How to display a QR code in ASP . NET . If you're generating a QR code with ASP .NET MVC , you'll have the page that the code lives on, but then ...

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codebude/QRCoder: A pure C# Open Source QR Code ... - GitHub
NET , which enables you to create QR codes . It hasn't any dependencies to otherlibraries and is available as . NET Framework and . NET Core PCL version on ...

Add the following methods to the CatalogAccess class: GetCategoriesWithProduct gets the list of categories that are related to a specified product. GetCategoriesWithoutProduct returns the categories that do not contain the specified product. AssignProductToCategory, MoveProductToCategory, and RemoveProductFromCategory do what their names imply. DeleteProduct completely removes a product from the product catalog. Add the following code to the CatalogAccess class: // get categories that contain a specified product public static DataTable GetCategoriesWithProduct(string productId) { // get a configured DbCommand object DbCommand comm = GenericDataAccess.CreateCommand(); // set the stored procedure name comm.CommandText = "GetCategoriesWithProduct"; // create a new parameter DbParameter param = comm.CreateParameter(); param.ParameterName = "@ProductID"; param.Value = productId; param.DbType = DbType.Int32; comm.Parameters.Add(param); // execute the stored procedure return GenericDataAccess.ExecuteSelectCommand(comm); } // get categories that do not contain a specified product public static DataTable GetCategoriesWithoutProduct(string productId) { // get a configured DbCommand object DbCommand comm = GenericDataAccess.CreateCommand(); // set the stored procedure name comm.CommandText = "GetCategoriesWithoutProduct"; // create a new parameter DbParameter param = comm.CreateParameter(); param.ParameterName = "@ProductID"; param.Value = productId; param.DbType = DbType.Int32; comm.Parameters.Add(param); // execute the stored procedure return GenericDataAccess.ExecuteSelectCommand(comm); }

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QR - Code Web-Control For ASP . NET Developers
The QR - Code image generated by this website is a standard Windows ASP . NETWebControl component written in C#. This QRCodeControl can be used as part ...

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QR Code generation in ASP . NET MVC - Stack Overflow
param> /// <returns></returns> public static MvcHtmlString QRCode (thisHtmlHelper htmlHelper, string data, int size = 80, int margin = 4, ...

super.onCreate(icicle); setContentView(R.layout.main); TabHost tabs=(TabHost)findViewById(R.id.tabhost); tabs.setup(); TabHost.TabSpec spec=tabs.newTabSpec("tag1"); spec.setContent(R.id.tab1); spec.setIndicator("Clock"); tabs.addTab(spec); spec=tabs.newTabSpec("tag2"); spec.setContent(R.id.tab2); spec.setIndicator("Button"); tabs.addTab(spec); } }

Again, you have a short and simple piece of code to use this sensor. First, you start of by defining the pin you will use to detect the pulse. You are using Digital Pin 9: #define sensorPin 9

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How To Generate QR Code Using ASP . NET - C# Corner
24 Nov 2018 ... This blog will demonstrate how to generate QR code using ASP . NET . Create an empty web project in the Visual Studio version of your choice. Add Web Form, right-click on the project, select Add New Item, choose web form, give it a name and click on Add. Add script and styles in web form head section.

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Enable QR Code generation for TOTP authenticator apps in ASP ...
13 Aug 2018 ... Discover how to enable QR code generation for TOTP authenticator apps thatwork with ASP . NET Core two-factor authentication.

// assign a product to a new category public static bool AssignProductToCategory(string productId, string categoryId) { // get a configured DbCommand object DbCommand comm = GenericDataAccess.CreateCommand(); // set the stored procedure name comm.CommandText = "AssignProductToCategory"; // create a new parameter DbParameter param = comm.CreateParameter(); param.ParameterName = "@ProductID"; param.Value = productId; param.DbType = DbType.Int32; comm.Parameters.Add(param); // create a new parameter param = comm.CreateParameter(); param.ParameterName = "@CategoryID"; param.Value = categoryId; param.DbType = DbType.Int32; comm.Parameters.Add(param); // result will represent the number of changed rows int result = -1; try { // execute the stored procedure result = GenericDataAccess.ExecuteNonQuery(comm); } catch { // any errors are logged in GenericDataAccess, we ignore them here } // result will be 1 in case of success return (result != -1); } // move product to a new category public static bool MoveProductToCategory(string productId, string oldCategoryId, string newCategoryId) { // get a configured DbCommand object DbCommand comm = GenericDataAccess.CreateCommand(); // set the stored procedure name comm.CommandText = "MoveProductToCategory"; // create a new parameter DbParameter param = comm.CreateParameter(); param.ParameterName = "@ProductID";

We find our TabHost via the familiar findViewById() method, and then have it setup(). After that, we get a TabSpec via newTabSpec(), supplying a tag whose purpose is unknown at this time. Given the spec, we call setContent() and setIndicator(), and then call addTab() back on the TabHost to register the tab as available for use. Finally, we can choose which tab is the one to show via setCurrentTab(), providing the 0-based index of the tab. The results are shown in Figures 9 7 and 9 8.

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ASP . NET MVC QR Code Setup | Shield UI
ShieldUI QR Code for ASP . NET MVC is a server-side wrapper co.

asp.net mvc generate qr code

Easy QR Code Creation in ASP . NET MVC - MikeSmithDev
11 Oct 2014 ... NET MVC and I wanted the QR Code generation to be easy. ... In my next post, Icover an alternative way to generate a QR code using a vanilla ...

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