April 2013
Intermediate to advanced
1700 pages
92h 51m
English
Content preview from C# 5.0 Unleashed
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A Common Source of Bugs
When an operation has to be invoked on an instance of such a reference type, a dereferencing operation occurs. It’s invalid, though, to dereference the null reference, causing an exception to occur. Figure 4.37 shows such a NullReferenceException.
FIGURE 4.37 A bad encounter with a null reference.
Null references that are unaccounted for are probably the number one source of bugs in managed code programming. Rigorous checking for null references is an important pattern everyone should master. Obviously, the question is where such checks need to be applied.
When designing a new library, it’s essential to specify the intended ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.