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Optimistic vs. Pessimistic locking
... You should mention that the choice depend also on the ratio read vs. write: if your application is mainly a read-only application by a lot of users, and sometimes you write data, than go for optimistic locking. StackOverflow, for example, have a lot of people reading pages, and sometimes ...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
What is the best practice if I want to require a relative file in Ruby and I want it to work in both 1.8.x and >=1.9.2?
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MYSQL OR vs IN performance
I am wondering if there is any difference in regards to performance between the following
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@Resource vs @Autowired
Which annotation, @Resource ( jsr250 ) or @Autowired (Spring-specific) should I use in DI?
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Why is string concatenation faster than array join?
...Optimization 101: You should aim for the least slow! for example, arr.join vs str+, on chrome you get (in operations per second) 25k/s vs 52k/s. on firefox new you get 76k/s vs 212k/s. so str+ is FASTER. but lets look other browsers. Opera gives 43k/s vs 26k/s. IE gives 1300/s vs 1002/s. see what ha...
NoSQL (MongoDB) vs Lucene (or Solr) as your database
With the NoSQL movement growing based on document-based databases, I've looked at MongoDB lately. I have noticed a striking similarity with how to treat items as "Documents", just like Lucene does (and users of Solr).
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C# “as” cast vs classic cast [duplicate]
I recently learned about a different way to cast. Rather than using
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window.onload vs $(document).ready()
What are the differences between JavaScript's window.onload and jQuery's $(document).ready() method?
16 Answers
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Twitter Bootstrap vs jQuery UI? [closed]
I've been using jQuery UI for some basic page enhancements. Button and input styling and modal dialog boxes. Now I've come across Bootstrap and it looks pretty good.
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Using async-await on .net 4
...t a lot from C# 5's async-await feature. But I'm not sure which version of VS and of the async runtime to use.
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