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How can I send an email by Java application using GMail, Yahoo, or Hotmail?

... First download the JavaMail API and make sure the relevant jar files are in your classpath. Here's a full working example using GMail. import java.util.*; import javax.mail.*; import javax.mail.internet.*; public class Main { private static String U...
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UICollectionView spacing margins

... I don't seem to be getting left and right insets to work when using a vertical flow layout... – John Apr 4 '13 at 0:25 1 ...
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How to “test” NoneType in python?

...ariable has None in it or not. Quoting from is docs, The operators is and is not test for object identity: x is y is true if and only if x and y are the same object. x is not y yields the inverse truth value. Since there can be only one instance of None, is would be the preferred way to check...
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Get the last inserted row ID (with SQL statement) [duplicate]

...ou haven't inserted another row - it just returns the last IDENTITY value handed out in this scope here. There are at least two more options - @@IDENTITY and IDENT_CURRENT - read more about how they works and in what way they're different (and might give you unexpected results) in this excellent bl...
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What do Clustered and Non clustered index actually mean?

I have a limited exposure to DB and have only used DB as an application programmer. I want to know about Clustered and Non clustered indexes . I googled and what I found was : ...
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getting the screen density programmatically in android?

How to get the screen density programmatically in android? 19 Answers 19 ...
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Separate Back Stack for each tab in Android using Fragments

I'm trying to implement tabs for navigation in an Android app. Since TabActivity and ActivityGroup are deprecated I would like to implement it using Fragments instead. ...
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Difference between decimal, float and double in .NET?

What is the difference between decimal , float and double in .NET? 18 Answers 18 ...
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Is there a way to iterate over a range of integers?

Go's range can iterate over maps and slices, but I was wondering if there is a way to iterate over a range of numbers, something like this: ...
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Select statement to find duplicates on certain fields

...ach in the link above. Based on that you'll need to use an order by clause and a sub query if needed. If you can post some sample data, it would really help. share | improve this answer | ...