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Why can a class not be defined as protected?
...lare class member as protected its visibility is classes at same package (called the package access) and the Subclassess. If you try to access from a outter class in other package this protected method member is not visible.
– kelgwiin
Jun 17 '15 at 13:59
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How to highlight a current menu item?
..., "/test/this", "/test/this/path" if you were on /test, it would highlight all of those options.
– Ben Lesh
May 29 '13 at 2:34
3
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What does the Java assert keyword do, and when should it be used?
... @hoodaticus you mean solely the fact that I can turn on/off all assertions for prod code is the reason? Because I can do complex data validation anyways and then handle it with exceptions. If I have production code, I could turn off the complex (and maybe expensive) assertions, becaus...
Remove trailing newline from the elements of a string list
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The Cito comment is actually the one that deserves the most rep. map and comprehension lists are not equivalent in OOP, because we are passe methods, not functions.
– e-satis
Oct 1 '12 at 8:22
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How to specialize std::hash::operator() for user-defined type in unordered containers?
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You are expressly allowed and encouraged to add specializations to namespace std*. The correct (and basically only) way to add a hash function is this:
namespace std {
template <> struct hash<Foo>
{
size_t operator()(const...
Why does Javascript getYear() return 108?
...r the ECMAScript specification, getYear returns the year minus 1900, originally meant to return "98" for 1998. getYear was deprecated in ECMAScript Version 3 and replaced with getFullYear().
Internet Explorer changed getYear() to work like getFullYear() and make it Y2k-compliant, while Mozilla kept ...
Can I use CoffeeScript instead of JS for node.js?
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To install coffee sudo npm install -g coffee-script
– Dmitry Polushkin
Nov 6 '13 at 12:44
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What is the difference between “git branch” and “git checkout -b”?
... does the same thing.
How do these two commands differ, if they differ at all?
7 Answers
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Understanding the Rails Authenticity Token
...ares it to the one stored in the session, and if they match the request is allowed to continue.
Why it happens
Since the authenticity token is stored in the session, the client cannot know its value. This prevents people from submitting forms to a Rails app without viewing the form within that app...
HashSet vs LinkedHashSet
...ax(2*c.size(), 11), .75f, true); // <-- boolean dummy argument
addAll(c);
}
And (one example of) a HashSet constructor that takes a boolean argument is described, and looks like this:
/**
* Constructs a new, empty linked hash set. (This package private
* constructor is only used by Li...