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UPC-A and UPC-E; EAN-8 and EAN-13; Code 39. Code 93; Code 128; ITF. Codabar; RSS-14 (all variants); RSS Expanded (most variants); QR Code .

Performance Ratio 1.5:1 2:1

Listing 4-12 shows another example of a WHERE clause with a simple condition, this time using the <> (not equal to) operator. Listing 4-12. Another Example of a WHERE Clause with a Simple Condition select dname, location from departments where location <> 'CHICAGO'; DNAME ---------ACCOUNTING TRAINING HR LOCATION -------NEW YORK DALLAS BOSTON

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It's an easy task to use Visual Basic . NET code to scan QR Code barcodes from a image file. One line free VB code can achieve this. With this simple VB code , you can read and output all QR Code barcodes data in " qrcode - vbnet .gif" image file at a time.

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Open Source library: http://www.codeproject.com/KB/cs/ qrcode .aspx. Paid library: ...

One of my former roommates was a great procrastinator. He justified his laziness by saying that many of the things people feel rushed to do simply don t need to be done. If he waited long enough, he claimed, the things that weren t important would be procrastinated into oblivion, and he wouldn t waste his time doing them. Lazy evaluation is based on the principle my roommate used. If a program uses lazy evaluation, it avoids doing any work until the work is needed. Lazy evaluation is similar to just-in-time strategies that do the work closest to when it s needed. Suppose, for example, that your program contains a table of 5000 values, generates the whole table at startup time, and then uses it as the program executes. If the program uses only a small percentage of the entries in the table, it might make more sense to compute them as they re needed rather than all at once. Once an entry is computed, it can still be stored for future reference ( cached ).

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3 Apr 2018 ... Learn about the new, free QR code reader and library that improve performance and let you take advantage of QR for more innovative mobile ...

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ASP . NET QR Code Barcode Reader DLL, explains how to achieve high-speed barcode reading & scanning in ASP . NET , C#, VB.NET projects.

Because loops are executed many times, the hot spots in a program are often inside loops. The techniques in this section make the loop itself faster.

Switching refers to making a decision inside a loop every time it s executed. If the decision doesn t change while the loop is executing, you can unswitch the loop by making the decision outside the loop. Usually this requires turning the loop inside out, putting loops inside the conditional rather than putting the conditional inside the loop. Here s an example of a loop before unswitching:

Compound conditions consist of multiple subconditions, combined with logical operators. In Section 4.5 of this chapter, you will see how to construct compound conditions by using the logical operators AND, OR, and NOT.

As in the last chapter, this code fragment violates several rules of good programming. Readability and maintenance are usually more important than execution speed or size, but in this chapter the topic is performance, and that implies a trade-off with the other objectives. Like the last chapter, you ll see many examples of coding practices here that aren t recommended in other parts of this book.

In the example presentation, your proposed Call to Action headline is to Hire us to help you nd the returns you seek, as shown in Figure 5-9.

for ( i = 0; i < count; i++ ) { if ( sumType == SUMTYPE_NET ) { netSum = netSum + amount[ i ]; } else { grossSum = grossSum + amount[ i ]; } }

The result of a query is a table; that is, a set of rows. The order in which these rows appear in the result typically depends on two aspects: The strategy chosen by the optimizer to access the data The operations chosen by the optimizer to produce the desired result

In this code, the test if ( sumType == SUMTYPE_NET ) is repeated through each iteration even though it ll be the same each time through the loop. You can rewrite the code for a speed gain this way:

Now that your audience knows your recommended Call to Action headline, they re eager to hear why and how it is a good idea, which is what you ll justify next. Focusing exclusively on explaining your Call to Action headline in Act II gives you the criteria you need to reduce the amount of information in your presentation. You ll include only information that supports your reasons for recommending the Call to Action headline and exclude everything else. See Also As you work on Act II, refer to the completed story templates available at www. beyondbulletpoints.com. These templates include a range of Act II examples from different types of presentations.

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Bitmap bmp = new Bitmap(dir + "code.png"); // config reader setting ReaderSettings ... QRCode ); // read all barcodes Barcode[] barcodes = BarcodeReader.

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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 .

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