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What is “entropy and information gain”?
I am reading this book ( NLTK ) and it is confusing. Entropy is defined as :
7 Answers
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What exactly is a reentrant function?
...rant?
No.
For example, let's have a C++ function that takes both a lock, and a callback as a parameter:
#include <mutex>
typedef void (*callback)();
std::mutex m;
void foo(callback f)
{
m.lock();
// use the resource protected by the mutex
if (f) {
f();
}
// u...
Custom attributes - Yea or nay?
Recently I have been reading more and more about people using custom attributes in their HTML tags, mainly for the purpose of embedding some extra bits of data for use in javascript code.
...
How to strip HTML tags from string in JavaScript? [duplicate]
...gt; or <html> or <head> tags is not valid within a <div> and may therefore not be parsed correctly.
textContent (the DOM standard property) and innerText (non-standard) properties are not identical. For example, textContent will include text within a <script> element while in...
“Cannot update paths and switch to branch at the same time”
... checkout -b option to create a new branch, check it out at the same time and set up tracking in one command.
11 Answers
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Get the size of the screen, current web page and browser window
... The jQuery method height() seems to work for all elements, and returns a number (46) rather than a string like css('height') ("46px").
– Chris
Feb 6 '13 at 16:02
7
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How to filter logcat in Android Studio?
...ng only the output containing the keyword(s). Is there a way to do that in Android Studio through the UI?
10 Answers
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Regex lookahead for 'not followed by' in grep
...head, which is what you're after, requires a more powerful tool than the standard grep. You need a PCRE-enabled grep.
If you have GNU grep, the current version supports options -P or --perl-regexp and you can then use the regex you wanted.
If you don't have (a sufficiently recent version of) GNU ...
Convert array of integers to comma-separated string
... Is there a simple way to do the reverse of this? Take the string and put it into an array?
– Kory
Mar 11 '15 at 15:13
4
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Rails server says port already used, how to kill that process?
...rectory to the following file tmp/pids/server.pid
– tandy
Feb 15 '14 at 19:29
This can happen if you're running debugg...