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What's the difference between integer class and numeric class in R
...s are whole numbers. For example, 1:5 creates an integer vector of numbers from 1 to 5. You don't need to append the letter L.
> class(1:5)
[1] "integer"
Reference: https://www.quora.com/What-is-the-difference-between-numeric-and-integer-in-R
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What is the best IDE to develop Android apps in? [closed]
...e endorse Idea. It is safe to say that Android Studio, and thus Idea, will from now on be the definitive IDE for Android development! :D
ORIGINAL ANSWER
IntelliJ now has support for Android. See Enabling Android Support from the JetBrains help page and the Google Code project page for the plugin...
Embed YouTube video - Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
I am trying to feed my Django page with some resource I am getting from somewhere else.
5 Answers
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
...umber of cache lines in your cache. L is always power of 2.
The six comes from fact that 2^6 == 64 bytes is standard size of cache line.
Now what does this mean? Well it means that if I have address X and address Y and
(X >> 6) - (Y >> 6) is divisible by L (i.e. some large power of 2)...
round() doesn't seem to be rounding properly
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this is working after searching :) from decimal import Decimal, ROUND_HALF_UP, ROUND_HALF_DOWN # use in rounding floating numbers Decimal(str(655.665)).quantize(Decimal('1.11'), rounding=ROUND_HALF_UP) # Issues and Limitations in floating points
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Explain which gitignore rule is ignoring my file
... to the git mailing list.
In the meantime, I'd definitely welcome testing from anyone who's able to do so - just clone from my git fork, check out the check-ignore branch, and compile it as normal.
UPDATE 2: It's done! Latest version is on github as per above, and I have submitted the patch series...
How do you know when to use fold-left and when to use fold-right?
...re you can see the traversal to the base case 4 and building up the result from there.
So I posit a rule of thumb: if it looks like a list iteration, one that would be simple to write in tail-recursive form, foldl is the way to go.
But really this will be probably be most evident from the associat...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
...ntirely and just don't use the String constructor to create string objects from string literals.
Reference
http://www.ecma-international.org/ecma-262/5.1/#sec-11.9.3
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What is object serialization?
...when you want to transmit one object data across the network, for instance from one JVM to another.
In Java, the serialization mechanism is built into the platform, but you need to implement the Serializable interface to make an object serializable.
You can also prevent some data in your object fr...
How do you rename a MongoDB database?
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How is this different from the solution provided by the OP?
– Salvador Dali
Apr 3 '14 at 3:26
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