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Using Build Flavors - Structuring source folders and build.gradle correctly
...Studio re-import your build.gradle whenever you edit it.
Creating flavors doesn't mean you're going to use custom code for them so we don't create the folders. You do need to create them yourself.
If you look at my IO talk you'll see how we mix in together values from the flavors and build type to...
What is the use of interface constants?
...tants() {
// restrict instantiation
}
public static final double PI = 3.14159;
public static final double PLANCK_CONSTANT = 6.62606896e-34;
}
And to access the constants without having to fully qualify them (i.e. without having to prefix them with the class name), use a static...
What is code coverage and how do YOU measure it?
What is code coverage and how do YOU measure it?
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Undo git pull, how to bring repos to old state
Is there any way to revert or undo git pull so that my source/repos will come to old state that was before doing git pull ?
I want to do this because it merged some files which I didn't want to do so, but only merge other remaining files. So, I want to get those files back, is that possible?
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How to check if a URL is valid
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That doesn't seem to work: 'http://:5984/asdf' =~ URI::regexp and 'http::5984/asdf' =~ URI::regexp both return 0. I expected them to return nil because none of them are valid URIs.
– awendt
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What does collation mean?
What does collation mean in SQL, and what does it do?
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Why do we have to specify FromBody and FromUri?
...ue from the URI. Simple types include the .NET primitive types (int, bool, double, and so forth), plus TimeSpan, DateTime, Guid, decimal, and string, plus any type with a type converter that can convert from a string.
For complex types, Web API tries to read the value from the message body, using a ...
Numpy matrix to array
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If you'd like something a bit more readable, you can do this:
A = np.squeeze(np.asarray(M))
Equivalently, you could also do: A = np.asarray(M).reshape(-1), but that's a bit less easy to read.
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Repair all tables in one go
...mand line you can use:
mysqlcheck -A --auto-repair
http://dev.mysql.com/doc/refman/5.0/en/mysqlcheck.html
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Fastest way to count exact number of rows in a very large table?
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Simple answer:
Database vendor independent solution = use the standard = COUNT(*)
There are approximate SQL Server solutions but don't use COUNT(*) = out of scope
Notes:
COUNT(1) = COUNT(*) = COUNT(PrimaryKey) just in case
Edit:
SQL Server example...