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What is “entropy and information gain”?
..., but that generalize poorly to other data not represented in the training set). Hence we usually stop when we get to a certain minimum number of instances in leaf nodes (and just predict the majority class), and/or perform some kind of pruning (see the Wikipedia links provided above to learn more)....
How to pass boolean values to a PowerShell script from a command prompt
...instead. Then, just the existence of the Unify parameter would mean it was set.
Like so:
param (
[int] $Turn,
[switch] $Unify
)
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Is C++ context-free or context-sensitive?
... of the language. In particular, the grammar described here accepts a superset of valid C++ constructs. Disambiguation rules (6.8, 7.1, 10.2) must be applied to distinguish expressions from declarations. Further, access control, ambiguity, and type rules must be used to weed out syntactically valid ...
How can I join elements of an array in Bash?
...lders like in printf "%s%s" would use separator in the first instance ONLY set of output, and then simply concatenate the rest of arguments.
– AnyDev
Sep 22 '14 at 5:53
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How do I trim whitespace from a string?
How do I remove leading and trailing whitespace from a string in Python?
12 Answers
12...
Java Look and Feel (L&F) [closed]
...lopment:
Cross-platform re-stylable L&F for Swing applications
Large set of extended Swing components
Various utilities and managers
Binaries: https://github.com/mgarin/weblaf/releases
Source: https://github.com/mgarin/weblaf
Licenses: GPLv3 and Commercial
A few examples showing how some of...
Is there a Unix utility to prepend timestamps to stdin?
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For OS X, brew install moreutils. To output UTC, you can set TZ locally, e.g. ls -l |TZ=UTC ts '%Y-%m-%dT%H:%M:%SZ'
– karmakaze
Jan 25 '16 at 19:52
1
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Why use apparently meaningless do-while and if-else statements in macros?
In many C/C++ macros I'm seeing the code of the macro wrapped in what seems like a meaningless do while loop. Here are examples.
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What does “dereferencing” a pointer mean?
...on't necessarily default to 0, nor bools to false, pointers are not always set to NULL. All these are set to 0/false/NULL when they're static variables or (C++ only) direct or indirect member variables of static objects or their bases, or undergo zero initialisation (e.g. new T(); and new T(x, y, z)...
How to remove element from array in forEach loop?
I am trying to remove an element in an array in a forEach loop, but am having trouble with the standard solutions I've seen.
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