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Describe the architecture you use for Java web applications? [closed]

...pring DAO's : Ibatis Database : Oracle We use Sping transaction support, and start transactions upon entering the service layer, propagating down to the DAO call's. The Service layer has the most bussines model knowledge, and the DAO's do relatively simple CRUD work. Some more complicated query s...
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Similarity String Comparison in Java

I want to compare several strings to each other, and find the ones that are the most similar. I was wondering if there is any library, method or best practice that would return me which strings are more similar to other strings. For example: ...
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Differences between unique_ptr and shared_ptr [duplicate]

Could someone explain differences between shared_ptr and unique_ptr? 4 Answers 4 ...
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Why is processing a sorted array faster than processing an unsorted array?

...e long distance or radio communication. You are the operator of a junction and you hear a train coming. You have no idea which way it is supposed to go. You stop the train to ask the driver which direction they want. And then you set the switch appropriately. Trains are heavy and have a lot of inert...
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Can I position an element fixed relative to parent? [duplicate]

...provide answers to both possible questions. Note that your existing title (and original post) ask a question different than what you seek in your edit and subsequent comment. To position an element "fixed" relative to a parent element, you want position:absolute on the child element, and any posi...
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Why do we have map, fmap and liftM?

... map exists to simplify operations on lists and for historical reasons (see What's the point of map in Haskell, when there is fmap?). You might ask why we need a separate map function. Why not just do away with the current list-only map function, and rename fmap...
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Detect application heap size in Android

...w do you programmatically detect the application heap size available to an Android app? 9 Answers ...
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What does void* mean and how to use it?

...d *func(void* i); , what does this void* mean here for the function name and for the variable type, respectively? 10 Ans...
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In Python, what happens when you import inside of a function? [duplicate]

What are the pros and cons of importing a Python module and/or function inside of a function, with respect to efficiency of speed and of memory? ...
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What's the best manner of implementing a social activity stream? [closed]

... I have created such system and I took this approach: Database table with the following columns: id, userId, type, data, time. userId is the user who generated the activity type is the type of the activity (i.e. Wrote blog post, added photo, commente...