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What does `unsigned` in MySQL mean and when to use it?

What does "unsigned" mean in MySQL and when should I use it? 1 Answer 1 ...
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What is the difference between .py and .pyc files? [duplicate]

...ntaneously being generated when some .py file of the same name gets run. What is the difference between .py and .pyc files? ...
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What are my environment variables? [closed]

... I am not sure if thats what you want, but try printenv This will show you all your environment variables. About where they are stored Linux: where are environment variables stored? How to set Shell Environment Variables http://www.codecoffee.co...
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What does scale horizontally and scale vertically mean? [duplicate]

In a three layer architecture with the database on the fourth, what does scaling horizontally and scaling vertically mean? ...
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What is the difference between @PathParam and @QueryParam

I am newbie in RESTful jersey. I would like to ask what is the different between @PathParam and @QueryParam in jersey? ...
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What to use now Google News API is deprecated? [closed]

... cool, Can you tell what are the parameters(e.g. location etc) which we can pass to the google news url? news.google.com/news?q=apple&output=rss – Nitin S Nov 12 '12 at 6:22 ...
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Double negation (!!) in javascript - what is the purpose? [duplicate]

... if(guess) is the same as if(!!guess)? For JS, what case would you need to do this for other than display purposes (showing that a variable is true or false)? It seems like an unneeded step, if you're only using it within a conditional expression or an IF statement, sinc...
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What is the difference between SQL Server 2012 Express versions?

...ices, integration services, SQL Server Data Tools etc.) - that's basically what I said - or don't you agree? – marc_s Nov 15 '13 at 20:26 ...
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What does the 'u' symbol mean in front of string values? [duplicate]

... Thank you ..just to make it clear, what i understand that i will not get error operating on dictionary with string represented as unicode. – user1488987 Jul 1 '12 at 5:23 ...
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What is java pojo class, java bean, normal class? [duplicate]

... @firstpostcommenter It might be useful to get a description of what POJO is from the person who coined the term. ("encoding business logic into regular java objects rather than using Entity Beans"). In other words, POJO was a name to given to describe "plain old java objects" in order t...