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map vs. hash_map in C++
...I read this here
https://bytes.com/topic/c/answers/570079-perfomance-clear-vs-swap
saying that clear() is order of O(N). That to me, is very strange, but, that's the way it is.
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What are the pros and cons of git-flow vs github-flow? [closed]
We have recently started to use GitLab.
3 Answers
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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 ...
JavaScript for…in vs for
Do you think there is a big difference in for...in and for loops? What kind of "for" do you prefer to use and why?
23 Answe...
Difference between Build Solution, Rebuild Solution, and Clean Solution in Visual Studio?
...y - sometimes deleting fairly thoroughly and sometimes not - but I'll give VS the benefit of the doubt for the moment :)
(The links are to the devenv.exe command line switches, but they do the same as the menu items.)
shar...
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
14 Answers
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@Resource vs @Autowired
Which annotation, @Resource ( jsr250 ) or @Autowired (Spring-specific) should I use in DI?
11 Answers
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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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