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Spring AOP vs AspectJ

I am under the impression that Spring AOP is best used for application specific tasks such as security, logging, transactions, etc. as it uses custom Java5 annotations as a framework. However, AspectJ seems to be more friendly design-patterns wise. ...
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Difference between PCDATA and CDATA in DTD

What is the difference between #PCDATA and #CDATA in DTD ? 6 Answers 6 ...
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What is the difference between an int and an Integer in Java and C#?

I was reading More Joel on Software when I came across Joel Spolsky saying something about a particular type of programmer knowing the difference between an int and an Integer in Java/C# (Object-Oriented Programming Languages). ...
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How to check a string for specific characters?

How can I check if a string has several specific characters in it using Python 2? 5 Answers ...
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PHP global in functions

... Globals are evil This is true for the global keyword as well as everything else that reaches from a local scope to the global scope (statics, singletons, registries, constants). You do not want to use them. A function call should not have to rely on anything outside, e.g. function fn() { gl...
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Naming convention - underscore in C++ and C# variables

It's common to see a _var variable name in a class field. What does the underscore mean? Is there a reference for all these special naming conventions? ...
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Why does C++ not have reflection?

...e language design decision and to identify the possibilities of reflection in C++. 14 Answers ...
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Why is String immutable in Java?

I was asked in an interview why String is immutable 12 Answers 12 ...
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what is faster: in_array or isset? [closed]

... The answers so far are spot-on. Using isset in this case is faster because It uses an O(1) hash search on the key whereas in_array must check every value until it finds a match. Being an opcode, it has less overhead than calling the in_array built-in functi...
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What is the advantage to using bloom filters?

I am reading up on bloom filters and they just seem silly. Anything you can accomplish with a bloom filter, you could accomplish in less space, more efficiently, using a single hash function rather than multiple, or that's what it seems. Why would you use a bloom filter and how is it useful? ...