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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
I am a beginner to Ruby on Rails and I am using Rails 3.0.9.
3 Answers
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The JPA hashCode() / equals() dilemma
There have been some discussions here about JPA entities and which hashCode() / equals() implementation should be used for JPA entity classes. Most (if not all) of them depend on Hibernate, but I'd like to discuss them JPA-implementation-neutrally (I am using EclipseLink, by the way).
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What are dictionary view objects?
In python 2.7, we got the dictionary view methods available.
5 Answers
5
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Casting vs using the 'as' keyword in the CLR
When programming interfaces, I've found I'm doing a lot of casting or object type conversion.
18 Answers
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SVN Repository Search [closed]
Is there any good software that will allow me to search through my SVN respository for code snippets? I found 'FishEye' but the cost is 1,200 and well outside my budget.
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gem install: Failed to build gem native extension (can't find header files)
I am using Fedora 14 and I have MySQL and MySQL server 5.1.42 installed and running.
Now I tried to do this as root user:
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Commonly accepted best practices around code organization in JavaScript [closed]
As JavaScript frameworks like jQuery make client side web applications richer and more functional, I've started to notice one problem...
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how to use javascript Object.defineProperty
I looked around for how to use the Object.defineProperty method, but couldn't find anything decent.
10 Answers
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How to interpolate variables in strings in JavaScript, without concatenation?
I know in PHP we can do something like this:
16 Answers
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
In JavaScript you can declare a variable and if it’s undefined , you can check variable == undefined ; I know that, but how can you compare a value that you don’t know yet if it’s in memory?
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