Download Visual Basic .NET: power tools by Evangelos Petroutsos PDF
By Evangelos Petroutsos
Be aware: there's something unusual approximately Amazon's processing of technical reports. humans goofing off, or what? I submitted this a few days in the past and it by no means seemed - probably this may be the fortunate time. the one different time this occurred used to be additionally with a computer-related evaluation. besides, the following goes....
I have not learn each web page of this 560-page ebook, yet i have noticeable adequate to make me are looking to supply a very powerful advice. while you are operating with VB.Net in any respect, you most likely want this book.
I say it really is far better than its identify, simply because to me, and that i suspect to others, "Power instruments" indicates a number of convenient accessories - neat methods, possibly a few invaluable utilities. that is not what this booklet is. it's a rather thorough and well-written rationalization of a number of completely key, primary subject matters in VB.Net.
For example, it has got the easiest, so much concise description of private and non-private key safeguard, and RSA encryption, with transparent, straightfoward "how-to's," that i have ever noticeable. additionally, the easiest and clearest description of middle-tier know-how recommendations, with comparisons betwen net prone and .Net remoting, plus an exceptional precis of COM+ and the way to take advantage of current COM+ elements in .Net.
Other chapters hide a variety of issues - queuing, XML, usual expressions, ADO.Net, mirrored image, deployment, and more...Whatever the subject that's presently fascinating or demanding you, you'll likely locate it here.
In the creation, the reflections on Microsoft's readability, or lack thereof, in documentation are usually correct to the purpose! And the full factor of getting a productiveness language rewritten by means of exponents of a low-level, nitty-gritty process is definitely lined. the 2 techniques to programming are very assorted, and in including VB to the .Net kinfolk, a lot used to be received but additionally rather a lot was once misplaced which could were stored - on the rate, admittedly, of constructing VB capable of do issues that C# could not do! do not inform me they could not have stumbled on how to make such things as user-defined sorts of arbitrary dimension, with fixed-length strings, and keep an eye on arrays, translate into IL - they only didn't wish to. the ability instruments authors do not use the time period "language snobbery" however it comes inescapably to brain.
The new VB9 attempts to make a number of gestures towards ease of use, reminiscent of inferred kind definition, yet they leave out the purpose and in reality may open the door to blunders. outdated VB6 arms are not trying to find the power to put in writing free or sloppy code - they only desire a extra versatile device, one the place the compiler does extra paintings to save lots of the programmer's time, in order to get a operating product out the door extra quick, that is continuously what VB was once approximately, and Microsoft a little overlooked that. Oh well...
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Additional info for Visual Basic .NET: power tools
NET documentation, though it's not part of the VB language. If you see Public Static Void, don't be alarmed. Void is just C#, which means: nothing is returned from this procedure. In other words, the procedure is what we VB programmers would call a Sub (as opposed to a Function). There's no returned value, for example: Public Static Void Delete(string path). "Â &Â s) EndÂ Sub < previous page < previous page Page 151 page_150 page_151 next page > next page > In this code, you first create a key and an IV, then create a byte array (barray) holding the plaintext.
If you are < previous page page_145 next page > < previous page page_146 next page > Page 146 sending a message or storing a ciphertext (as here), you need to use the same key and initialization vector for both the encrypting and decrypting processes. For example, if you omit specifying the IV during decryption, a random IV will be supplied and as a result the first four bytes of the restored plaintext will be wrong. 4. You use this object with a cryptostream class and your filestream (in this example) to actually encrypt the plaintext being streamed.
When value types are compared for equality, the actual values (323 versus 62, for example) are compared. When reference types are compared for equality, only the addresses (pointers) where the objects sit in memory are compared. A reference equality means that two object instances (two different object variables that point to an instantiated object) point to the same object. It's like having two names for the same thing: President and Bush. Reference types are larger and more complex: classes (and interfaces), arrays, and strings are all examples of reference types.