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How to get the last value of an ArrayList
... Johannes Schaub - litbJohannes Schaub - litb
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Support for “border-radius” in IE
Does anyone know if/when Internet Explorer will support the "border-radius" CSS attribute?
11 Answers
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Difference of keywords 'typename' and 'class' in templates?
...ainer, typename Type >
When specifying a template template, the class keyword MUST be used as above -- it is not interchangeable with typename in this case (note: since C++17 both keywords are allowed in this case).
You also must use class when explicitly instantiating a template:
template cl...
All but last element of Ruby array
... # => [1, 2, 3, 4]
a.first a.size - 1 # => [1, 2, 3]
or
a.take 3
or
a.first 3
or
a.pop
which will return the last and leave the array with everything before it
or make the computer work for its dinner:
a.reverse.drop(1).reverse
or
class Array
def clip n=1
take size ...
Generate a random letter in Python
Is there a way to generate random letters in Python (like random.randint but for letters)? The range functionality of random.randint would be nice but having a generator that just outputs a random letter would be better than nothing.
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Picking a random element from a set
How do I pick a random element from a set?
I'm particularly interested in picking a random element from a
HashSet or a LinkedHashSet, in Java.
Solutions for other languages are also welcome.
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Why is try {…} finally {…} good; try {…} catch{} bad?
...urred. try..finally will run your cleanup code and then the exception will keep going, to be handled by something that knows what to do with it.
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How can I use a DLL file from Python?
...). This has been, by far, the easiest way I've found for doing what you ask.
import ctypes
# Load DLL into memory.
hllDll = ctypes.WinDLL ("c:\\PComm\\ehlapi32.dll")
# Set up prototype and parameters for the desired function call.
# HLLAPI
hllApiProto = ctypes.WINFUNCTYPE (
ctypes.c_int, ...
A simple explanation of Naive Bayes Classification
...xplain it with a simple step by step process in English. I understand it takes comparisons by times occurred as a probability, but I have no idea how the training data is related to the actual dataset.
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