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BusinessObjects XI administrators build universes using Designer The key components of a universe are Parameters that define database connectivity and SQL options Classes and objects that users see when building queries and reports Tables that are pointers to the physical tables in the database Joins that define the relationships between the tables These are the basic components of a universe As you further enhance your universe, subsequent chapters discuss more complex components such as contexts, hierarchies, and security .net qr code reader Barcode Recognition and Generation API for C# and VB . NET
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15 Jul 2011 ... SourceForge. net Logo ... ZBar is an open source software suite for reading bar codes from various sources, such as video ... including EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 and QR Code . vb.net qr code scanner QR Code Scanner in ASP . Net - CodeProject
check out this link. It will guide you http://www.jphellemons.nl/post/Generate- QR - Codes -with- AspNet -C. aspx [^]. It is important to understand that, by default, a task executes in a background thread Thus, when the creating thread ends, the task will end This is why ThreadSleep( ) was used to keep the main thread alive until MyTask( ) completed As you would expect and will soon see, there are far better ways of waiting for a task to finish In the foregoing example, the task to be concurrently executed is specified by a static method However, there is no requirement to this effect For example, the following program reworks the previous one so that MyTask( ) is encapsulated within a class: The first step in building a universe is to define the universe parameters At a minimum, the parameters define the name of the universe and the connection to the data source Administrators also can adjust parameters to determine such things as the type of SQL users can generate and query limits 7 explains the various parameters in more depth .net qr code reader Using ZXing ( QR Code Scanner ) in Xamarin Forms – Selman ...
Using ZXing ( QR Code Scanner ) in Xamarin Forms ... After adding code your MainActivity.cs should be like that. ... 1. ZXing . Net .Mobile.Forms.iOS.Platform.Init (); ... open source qr code reader vb.net Barcode Reader for .NET | C# & VB . NET Guide in Reading QR ...
If you are searching for a professional barcode scanner sdk for your . NET application; if you ask for demo code for reading QR Code barcodes in C# or VB . // Use an instance method as a task using System; using SystemThreading; using SystemThreadingTasks; class MyClass { // A method to be run as a task public void MyTask() { ConsoleWriteLine("MyTask() starting"); for(int count = 0; count < 10; count++) { ThreadSleep(500); ConsoleWriteLine("In MyTask(), count is " + count); } ConsoleWriteLine("MyTask terminating"); } } class DemoTask { static void Main() { ConsoleWriteLine("Main thread starting"); // Construct a MyClass object MyClass mc = new MyClass(); // Construct a task on mcMyTask() Task tsk = new Task(mcMyTask); I0 = 24: Classes and objects are the main items a business user sees when building a query, as shown in Figure 6-3 Objects become individual columns in a report; classes never appear in a report Classes are a way of grouping individual objects; they do not necessarily relate to physical tables in a database Some universe designers will mistakenly organize their classes to correspond to physical tables This is rarely advisable Instead, classes should represent business topics In Figure 6-3, classes appear with a folder icon For example, in the sample Efashion universe, the class Product is a more meaningful business term than Article and includes items from multiple tables ARTICLE_LOOKUP and ARTICLE_COLOR_LOOKUP Objects refer to columns of data There are different types of objects (as explained further in 9) denoted with a square, sphere, or triangle icon in Figure 6-3 Objects can include a significant amount of intelligence and may not relate directly to one column in the database For example, the object Sold At (Unit Price) includes a calculation of revenue/quantity However, to avoid divide by 0 errors, it also includes an if-then-else statement to check for 0 quantities This is one example of why universes are so powerful and a much better alternative to providing users with direct access to tables; if-then-else statements in SQL are implemented differently for each RDBMS and are not something most users would know how to write M u l t i t h r e a d i n g , P a r t Tw o : E x p l o r i n g t h e Ta s k P a r a l l e l L i b r a r y a n d P L I N Q (723c) // Run the task tskStart(); // Keep Main() alive until MyTask() finishes for(int i = 0; i < 60; i++) { ConsoleWrite(""); ThreadSleep(100); } ConsoleWriteLine("Main thread ending"); } } 6: The output is the same as before The only difference is that MyTask( ) is now called on an instance of MyClass One other important point about tasks needs to be made now: once a task completes, it cannot be restarted Thus, there is no way to rerun a task without re-creating it zxing.net qr code reader ZXing Decoder Online
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