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Should I initialize variable within constructor or outside constructor [duplicate]

When I use Java based on my C++ knowledge, I love to initialize variable using the following way. 11 Answers ...
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Error while installing json gem 'mkmf.rb can't find header files for ruby'

For context, it on a remote server which has a firewall. I'm setting up my environment through a proxy. I have ruby 1.8.7 . When I try to gem install.. ...
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How do you detect where two line segments intersect? [closed]

How do I determine whether or not two lines intersect, and if they do, at what x,y point? 27 Answers ...
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No Multiline Lambda in Python: Why not?

I've heard it said that multiline lambdas can't be added in Python because they would clash syntactically with the other syntax constructs in Python. I was thinking about this on the bus today and realized I couldn't think of a single Python construct that multiline lambdas clash with. Given that ...
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Best way to build a Plugin system with Java

How would you implement a Plugin-system for your Java application? 8 Answers 8 ...
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Trying to add adb to PATH variable OSX

I am trying to develop for android and I want to add the adb to my PATH so that I can launch it really easily. I have added directories before by for some reason adb does not want to be found. This is very frustrating. Has anyone else had this problem before? ...
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How can I create a “Please Wait, Loading…” animation using jQuery?

I would like to place a "please wait, loading" spinning circle animation on my site. How should I accomplish this using jQuery? ...
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Python loop counter in a for loop [duplicate]

In my example code below, is the counter = 0 really required, or is there a better, more Python, way to get access to a loop counter? I saw a few PEPs related to loop counters, but they were either deferred or rejected ( PEP 212 and PEP 281 ). ...
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LINQ's Distinct() on a particular property

I am playing with LINQ to learn about it, but I can't figure out how to use Distinct when I do not have a simple list (a simple list of integers is pretty easy to do, this is not the question). What I if want to use Distinct on a list of an Object on one or more properties of the object? ...
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How to drop a database with Mongoose?

I'm preparing a database creation script in Node.js and Mongoose. How can I check if the database already exists, and if so, drop (delete) it using Mongoose? ...