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Casting vs using the 'as' keyword in the CLR

...g, which has largely replaced the as operator, as you can now write: if (randomObject is TargetType tt) { // Use tt here } Note that tt is still in scope after this, but not definitely assigned. (It is definitely assigned within the if body.) That's slightly annoying in some cases, so if you ...
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What do the terms “CPU bound” and “I/O bound” mean?

What do the terms "CPU bound" and "I/O bound" mean? 11 Answers 11 ...
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Difference between Observer, Pub/Sub, and Data Binding

...hat is the difference between the Observer Pattern , Publish/Subscribe , and Data Binding ? 4 Answers ...
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Difference between a User and a Login in SQL Server

...ly don't mess with. One of them that has me confused is the area of Logins and Users. Seems like it should be a pretty simple topic... ...
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Convert .pem to .crt and .key

Can anyone tell me the correct way/command to extract/convert the certificate .crt and private key .key files from a .pem file? I just read they are interchangable, but not how. ...
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When should we use Observer and Observable?

... You have a concrete example of a Student and a MessageBoard. The Student registers by adding itself to the list of Observers that want to be notified when a new Message is posted to the MessageBoard. When a Message is added to the MessageBoard, it iterates over it...
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How to lock compiled Java classes to prevent decompilation?

... also scramble your code flow in a way that makes it really hard to follow and works as an excellent code optimizer... Also many of the obfuscators are also able to scramble your string constants and remove unused code. Another possible solution (not necessarily excluding the obfuscation) is to us...
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What is an .inc and why use it?

...at is the meaning of .inc? What it is used for? What are the disadvantages and advantages of using it? 8 Answers ...
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How to Store Historical Data

Some co-workers and I got into a debate on the best way to store historical data. Currently, for some systems, I use a separate table to store historical data, and I keep an original table for the current, active record. So, let's say I have table FOO. Under my system, all active records will go ...
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What is difference between Errors and Exceptions? [duplicate]

How can I differentiate between Errors and Exceptions in Java? 4 Answers 4 ...