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Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
Regarding this .NET unhandled exception message:
5 Answers
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Why do == comparisons with Integer.valueOf(String) give different results for 127 and 128?
...returning an Integer object, which may have its values cached between -128 and 127. This is why the first value returns true - it's cached - and the second value returns false - 128 isn't a cached value, so you're getting two separate Integer instances.
It is important to note that you are compari...
Why covariance and contravariance do not support value type
...or not.
You might want to read Eric Lippert's blog post on representation and identity for more on this topic in general.
EDIT: Having reread Eric's blog post myself, it's at least as much about identity as representation, although the two are linked. In particular:
This is why covariant and ...
Why doesn't C# support the return of references?
...o the "managed reference to variable" types are not convertible to object, and therefore may not be used as type arguments to generic types or methods.)
Commenter "RPM1984" for some reason asked for a citation for this fact. RPM1984 I encourage you to read the CLI specification Partition I Section...
How serious is this new ASP.NET security vulnerability and how can I workaround it?
...you always should anyways in release/production mode.
Additionally add a random time sleep in the error page to prevent the attacker from timing the responses for added attack information.
In web.config
<configuration>
<location allowOverride="false">
<system.web>
<c...
glVertexAttribPointer clarification
Just want to make sure I understand this correctly (I'd ask on SO Chat, but it's dead in there!):
2 Answers
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Fast and responsive interactive charts/graphs: SVG, Canvas, other?
...right technology to use for updating a project that basically renders thousands of points in a zoomable, pannable graph. The current implementation, using Protovis, is underperformant. Check it out here:
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CSS display:table-row does not expand when width is set to 100%
I'm having a bit of a problem. I'm using FireFox 3.6 and have the following DOM structure:
5 Answers
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What is data oriented design?
I was reading this article , and this guy goes on talking about how everyone can greatly benefit from mixing in data oriented design with OOP. He doesn't show any code samples, however.
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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
I already added a custom domain to my Heroku app and it works with www.domain.com .
4 Answers
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