qr code generator c# asp.net PART II in Visual C#.NET

Drawer QR Code 2d barcode in Visual C#.NET PART II

PART II
Make QR Code In Visual C#.NET
Using Barcode creator for .NET Control to generate, create Denso QR Bar Code image in .NET applications.
QR Code Recognizer In C#.NET
Using Barcode reader for Visual Studio .NET Control to read, scan read, scan image in VS .NET applications.
class PLINQCancelDemo { static void Main() { CancellationTokenSource cancelTokSrc = new CancellationTokenSource(); int[] data = new int[10000000]; // Initialize the data to positive values for(int i=0; i < dataLength; i++) data[i] = i; // Now, insert some negative values data[1000] = -1; data[14000] = -2; data[15000] = -3; data[676000] = -4; data[8024540] = -5; data[9908000] = -6; // Use a PLINQ query to find the negative values var negatives = from val in dataAsParallel() WithCancellation(cancelTokSrcToken) where val < 0 select val; // Create a task that cancels the query after 100 milliseconds Task cancelTsk = TaskFactoryStartNew( () => { ThreadSleep(100); cancelTokSrcCancel(); }); try { foreach(var v in negatives) ConsoleWrite(v + " ");
Painting Bar Code In Visual C#
Using Barcode encoder for .NET Control to generate, create bar code image in .NET applications.
Barcode Recognizer In C#
Using Barcode decoder for .NET framework Control to read, scan read, scan image in .NET framework applications.
Part II:
Quick Response Code Encoder In VS .NET
Using Barcode generator for ASP.NET Control to generate, create QR image in ASP.NET applications.
Painting QR Code JIS X 0510 In Visual Studio .NET
Using Barcode maker for VS .NET Control to generate, create QR Code image in Visual Studio .NET applications.
Exploring the C# Library
QR Code JIS X 0510 Maker In VB.NET
Using Barcode printer for .NET framework Control to generate, create QR Code image in Visual Studio .NET applications.
Creating ECC200 In Visual C#
Using Barcode drawer for VS .NET Control to generate, create DataMatrix image in .NET applications.
} catch(OperationCanceledException exc) { ConsoleWriteLine(excMessage); } catch(AggregateException exc) { ConsoleWriteLine(exc); } finally { cancelTskWait(); cancelTokSrcDispose(); cancelTskDispose(); } ConsoleWriteLine(); } }
Encoding 1D In Visual C#
Using Barcode encoder for .NET Control to generate, create Linear 1D Barcode image in .NET framework applications.
Create Code 128 Code Set B In C#
Using Barcode creation for .NET Control to generate, create Code 128C image in .NET framework applications.
The output is shown here Because the query is cancelled prior to completion, only the exception message is displayed
UPC Symbol Generator In C#
Using Barcode printer for .NET framework Control to generate, create Universal Product Code version A image in Visual Studio .NET applications.
Making Bookland EAN In C#
Using Barcode printer for Visual Studio .NET Control to generate, create ISBN image in Visual Studio .NET applications.
The query has been canceled via the token supplied to WithCancellation
Reading Barcode In Java
Using Barcode reader for Java Control to read, scan read, scan image in Java applications.
GTIN - 13 Generation In Java
Using Barcode drawer for Android Control to generate, create UPC - 13 image in Android applications.
Other PLINQ Features
Draw Matrix Barcode In Java
Using Barcode encoder for Java Control to generate, create 2D Barcode image in Java applications.
1D Barcode Maker In VB.NET
Using Barcode creator for .NET Control to generate, create Linear Barcode image in .NET applications.
As mentioned, PLINQ is a large subsystem Part of its size is due to the flexibility that it provides PLINQ offers many other features that help you tailor or manage a parallel query so it best fits the demands of your situation Here are a few examples You can specify the maximum number of processors that will be allocated to a query by calling WithDegreeOfParallelism( ) You can request that a portion of a parallel query be executed sequentially by calling AsSequential( ) If you don t want to block the calling thread waiting for results from a foreach loop, you can use the ForAll( ) method All of these methods are defined by ParallelEnumerable To override cases in which PLINQ would default to sequential execution, you can use the WithExecutionMode( ) method, passing in ParallelExecutionModeForceParallelism
Read UPC-A Supplement 2 In None
Using Barcode recognizer for Software Control to read, scan read, scan image in Software applications.
Universal Product Code Version A Scanner In C#
Using Barcode reader for Visual Studio .NET Control to read, scan read, scan image in .NET applications.
PLINQ Efficiency Concerns
Encode Code39 In Objective-C
Using Barcode printer for iPhone Control to generate, create ANSI/AIM Code 39 image in iPhone applications.
Encoding Bar Code In Java
Using Barcode printer for Eclipse BIRT Control to generate, create barcode image in BIRT reports applications.
Not every query will run faster simply because it is parallelized As explained earlier in regards to the TPL, there is overhead associated with creating and managing concurrent threads of execution In general, if the data source is quite small and if the processing required is quite short, then adding parallelism may not increase the speed of the query For the latest information and guidelines in this regard, consult Microsoft s current recommendations
CHAPTER
Collections, Enumerators, and Iterators
his chapter discusses one of the most important parts of the NET Framework: collections In C#, a collection is a group of objects The NET Framework contains a large number of interfaces and classes that define and implement various types of collections Collections simplify many programming tasks because they provide off-theshelf solutions to several common, but sometimes tedious-to-develop, data structures For example, there are built-in collections that support dynamic arrays, linked lists, stacks, queues, and hash tables Collections are a state-of-the-art technology that merits close attention by all C# programmers Originally, there were only non-generic collection classes However, the addition of generics in C# 20 coincided with the addition of many new generic classes and interfaces to the NET Framework The inclusion of the generic collections essentially doubled the number of collection classes and interfaces With the advent of the Task Parallel Library in NET Framework 40, several new thread-safe collection classes were added that are designed for use in situations in which multiple threads access a collection As you can surmise, the Collections API is a very large part of the NET Framework Also described in this chapter are two features that relate to collections: enumerators and iterators Both enumerators and iterators enable the contents of a class to be cycled through via a foreach loop
Collections Overview
The principal benefit of collections is that they standardize the way groups of objects are handled by your programs All collections are designed around a set of cleanly defined interfaces Several built-in implementations of these interfaces, such as ArrayList, Hashtable, Stack, and Queue, are provided, which you can use as-is You can also implement your own collection, but you will seldom need to The NET Framework supports five general types of collections: non-generic, specialized, bit-based, generic, and concurrent The non-generic collections implement several fundamental data structures, including a dynamic array, stack, and queue They also include dictionaries,
Part II:
Copyright © OnBarcode.com . All rights reserved.