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How long should SQL email fields be? [duplicate]

...y. However, I was wondering what the "standard" is? How long do you guys make it? (same question for Name field...) 8 Answe...
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How do you calculate log base 2 in Java for integers?

... If you are thinking about using floating-point to help with integer arithmetics, you have to be careful. I usually try to avoid FP calculations whenever possible. Floating-point operations are not exact. You can never know for sure what w...
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How do I make an Android EditView 'Done' button and hide the keyboard when clicked?

When the user clicks on the EditView , Android opens the keyboard so that user can write in the EditView . 17 Answers ...
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How to find all combinations of coins when given some dollar value

... I looked into this once a long time ago, and you can read my little write-up on it. Here’s the Mathematica source. By using generating functions, you can get a closed-form constant-time solution to the problem. Graham, Knuth, a...
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What's valid and what's not in a URI query?

I've been Googling this back and forth reading RFCs and SO questions trying to crack this, but I still don't got jack. 7 An...
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How to store values from foreach loop into an array?

... Andy EAndy E 300k7575 gold badges456456 silver badges436436 bronze badges ...
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How to see indexes for a database or table in MySQL?

... answered Mar 6 '11 at 20:59 Mark ByersMark Byers 683k155155 gold badges14681468 silver badges13881388 bronze badges ...
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How do you crash a JVM?

I was reading a book on programming skills wherein the author asks the interviewee, "How do you crash a JVM?" I thought that you could do so by writing an infinite for-loop that would eventually use up all the memory. ...
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Coding Conventions - Naming Enums

... gsamaras 64.5k3131 gold badges140140 silver badges240240 bronze badges answered Jun 18 '10 at 13:13 DJClayworthDJC...
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npm WARN package.json: No repository field

... It's just a check as of NPM v1.2.20, they report this as a warning. However, don't worry, there are sooooooo many packages which still don't have the repository field in their package.json. The field is used for informational purposes. In...