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Get item in the list in Scala?
How in the world do you get just an elem>me m>nt at index i from the List in scala?
4 Answers
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Does a valid XML file require an XML declaration?
I am parsing an XML file using Sax Parser of Xerces.
Is the XML declaration <?xml version="1.0" encoding="UTF-8"?> required?
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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
... want to plot data, then create a new figure and plot data2, and finally com>me m> back to the original plot and plot data3, kinda like this:
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Declare a constant array
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An array isn't immutable by nature; you can't make it constant.
The nearest you can get is:
var letter_goodness = [...]float32 {.0817, .0149, .0278, .0425, .1270, .0223, .0202, .0609, .0697, .0015, .0077, .0402, .0241, .0675, .0751, .0193,...
Is using a lot of static m>me m>thods a bad thing?
I tend to declare as static all the m>me m>thods in a class when that class doesn't require to keep track of internal states. For example, if I need to transform A into B and don't rely on som>me m> internal state C that may vary, I create a static transform. If there is an internal state C that I want to be ...
ARC and bridged cast
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I agree that the description is confusing. Since I just grasped them, I'll try to summarize:
(__bridge_transfer <NSType>) op or alternatively CFBridgingRelease(op) is used to consum>me m> a retain-count of a CFTypeRef while transferring it over to ARC. This could also be represented by id...
NUnit vs. xUnit
... between NUnit and xUnit.net ?
What's the point of developing two of them, not only one?
4 Answers
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MySQL vs MongoDB 1000 reads
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MongoDB is not magically faster. If you store the sam>me m> data, organised in basically the sam>me m> fashion, and access it exactly the sam>me m> way, then you really shouldn't expect your results to be wildly different. After all, MySQL and MongoDB are both GPL, so if Mongo had som>me m> magic...
What's the difference between JPA and Spring Data JPA?
I am a bit confused about the difference between Spring Data-JPA and JPA. I know about JPA that it is a specification for persisting the Java Objects to a relational database using popular ORM technology.
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Guid.NewGuid() vs. new Guid()
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new Guid() makes an "empty" all-0 guid (00000000-0000-0000-0000-000000000000 is not very useful).
Guid.NewGuid() makes an actual guid with a unique value, what you probably want.
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