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(this == null) in C#!
...spec (section 7.5.7), you shouldn't be able to access this in that context and the ability to do so in C# 3.0 compiler is a bug. C# 4.0 compiler is behaving correctly according to the spec (even in Beta 1, this is a compile time error):
§ 7.5.7 This access
A this-access consists of the res...
snprintf and Visual Studio 2010
I'm unfortunate enough to be stuck using VS 2010 for a project, and noticed the following code still doesn't build using the non-standards compliant compiler:
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@UniqueConstraint and @Column(unique = true) in hibernate annotation
What is difference between @UniqueConstraint and @Column(unique = true) ?
4 Answers
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What's wrong with overridable method calls in constructors?
...When the @Override is invoked, the state of the object may be inconsistent and/or incomplete.
A quote from Effective Java 2nd Edition, Item 17: Design and document for inheritance, or else prohibit it:
There are a few more restrictions that a class must obey to allow inheritance. Constructors m...
When should I use Lazy?
...e cost.
Usually this is preferable when the object may or may not be used and the cost of constructing it is non-trivial.
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How to create the perfect OOP application [closed]
...tly I was trying for a company ‘x’. They sent me some set of questions and told me to solve only one.
12 Answers
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Canary release strategy vs. Blue/Green
My understanding of a canary release is that it's a partial release to a subset of production nodes with sticky sessions turned on. That way you can control and minimize the number of users/customers that get impacted if you end up releasing a bad bug.
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How to get users to read error messages?
...ind yourself at a high risk that users will not read your carefully worded and enlightening error messages, but just click on the first button available with a shrug of frustration.
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SecurityException: Permission denied (missing INTERNET permission?)
this error is really really really strange and I don't know how to reproduce it and how to fix it because I made a lot of searches but nothing was useful.
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Split a module across several files
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Rust's module system is actually incredibly flexible and will let you expose whatever kind of structure you want while hiding how your code is structured in files.
I think the key here is to make use of pub use, which will allow you to re-export identifiers from other modules....