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What's wrong with foreign keys?
I remember hearing Joel Spolsky mention in podcast 014 that he'd barely ever used a foreign key (if I remember correctly). However, to me they seem pretty vital to avoid duplication and subsequent data integrity problems throughout your database.
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Spring MVC: How to perform validation?
...User :
public class User {
private String name;
...
}
Method 1 : If you have Spring 3.x+ and simple validation to do, use javax.validation.constraints annotations (also known as JSR-303 annotations).
public class User {
@NotNull
private String name;
...
}
You will nee...
Implementing two interfaces in a class with same method. Which interface method is overridden?
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+100
If a type implements two interfaces, and each interface define a method that has identical signature, then in effect there is only o...
List files ONLY in the current directory
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edited Dec 10 '19 at 1:15
frakman1
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ans...
Boost程序库完全开发指南——深入C++“准”标准库高清PDF版 - 文档下载 - ...
...《Boost程序库完全开发指南：深入C++"准"标准库》基于Boost1.42版，介绍了其中的所有99个库，并且详细深入地讲解了其中数十个库，同时实现了若干颇具实用价值的工具类和函数，可帮助读者迅速理解掌握Boost的用法以及在实际应...
What exactly are unmanaged resources?
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178
Managed resources basically means "managed memory" that is managed by the garbage collector. W...
Automatic post-registration user authentication
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146
Symfony 4.0
This process hasnt changed from symfony 3 to 4 but here is an example using the n...
Only detect click event on pseudo-element
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10 Answers
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What strategies and tools are useful for finding memory leaks in .NET?
I wrote C++ for 10 years. I encountered memory problems, but they could be fixed with a reasonable amount of effort.
15 Ans...
How to choose between Hudson and Jenkins? [closed]
...took me an hour or so to work out Hudson has only branched recently (Jan/2011)
I have no idea how rapid the change of each branch is now, but more importantly, what is the direction each branch is taking and what are key points so one could make a choice between which to go with?
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