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Where to place private methods in Ruby?

... The best practice in my point of view is to go sequentially and declare your methods without keeping private in point of view. At the end, you can make make any method private by just adding: private :xmethod Example: class Example def xmethod end def ymethod end def zmethod...
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Master-master vs master-slave database architecture?

... We're trading off availability, consistency and complexity. To address the last question first: Does this matter? Yes very much! The choices concerning how your data is to be managed is absolutely fundamental, and there's no "Best Practice" dodging the decisions. You n...
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Spring - @Transactional - What happens in background?

...hapters to it. I recommend reading the ones on Aspect-Oriented Programming and Transactions, as Spring's declarative transaction support uses AOP at its foundation. But at a very high level, Spring creates proxies for classes that declare @Transactional on the class itself or on members. The proxy ...
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List or IList [closed]

...'t change. If you are just using it internally, you may not care so much, and using List<T> may be ok. share | improve this answer | follow | ...
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What is the preferred/idiomatic way to insert into a map?

... First of all, operator[] and insert member functions are not functionally equivalent : The operator[] will search for the key, insert a default constructed value if not found, and return a reference to which you assign a value. Obviously, this can ...
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python assert with and without parenthesis

...through a full interpreter, not through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument. Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentiall...
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Is it fine to have foreign key as primary key?

...n to this are tables with a one-to-one relationship, where the foreign key and primary key of the linked table are one and the same. share | improve this answer | follow ...
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How do I loop through or enumerate a JavaScript object?

...have to make sure that the key you get is an actual property of an object, and doesn't come from the prototype. Here is the snippet: var p = { "p1": "value1", "p2": "value2", "p3": "value3" }; for (var key in p) { if (p.hasOwnProperty(key)) { console.log(key + "...
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UIView's frame, bounds, center, origin, when to use what?

UIView has the properties frame , bounds , center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the lo...
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Meaning of “[: too many arguments” error from if [] (square brackets)

...t find any one simple straightforward resource spelling out the meaning of and fix for the following BASH shell error, so I'm posting what I found after researching it. ...