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Why use symbols as hash keys in Ruby?
... basically "immutable strings" .. that means that they can not be changed, and it implies that the same symbol when referenced many times throughout your source code, is always stored as the same entity, e.g. has the same object id.
Strings on the other hand are mutable, they can be changed anytim...
Does Python have “private” variables in classes?
I'm coming from the Java world and reading Bruce Eckels' Python 3 Patterns, Recipes and Idioms .
12 Answers
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What is the “realm” in basic authentication
I'm setting up basic authentication on a php site and found this page on the php manual showing the set up. What does "realm" mean here in the header?
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How do I force git to checkout the master branch and remove carriage returns after I've normalized f
...at! Hearing that, I'm guessing we could just remove the files of interest and run checkout. For me there was actually only one file I was trying to get corrected. But of course it may be all the files, hundreds, or thousands.
– Jason
Mar 19 '14 at 15:06
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React.js: Wrapping one component into another
...fter
</div>
);
}
});
See Multiple Components: Children and Type of the Children props in the docs for more info.
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Is it possible to make an HTML anchor tag not clickable/linkable using CSS?
...his css:
.inactiveLink {
pointer-events: none;
cursor: default;
}
And then assign the class to your html code:
<a style="" href="page.html" class="inactiveLink">page link</a>
It makes the link not clickeable and the cursor style an arrow, not a hand as the links have.
or use...
Set a default parameter value for a JavaScript function
...ments which I set a default on, which get used if the value isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
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static function in C
...ogy to use here? Wouldn't object file be more accurate? From what I understand, a static function is hidden from the linker and the linker does not operate on translation units.
– Steven Eckhoff
Feb 13 '14 at 18:32
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What is digest authentication?
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The main difference is that it doesn't require sending the username and password across the wire in plaintext. It is also immune to replay-attacks, as it uses a one-time number from the server.
The server gives the client a one-time use number (a nonce) that it combines with the username, re...
What is the meaning of erb?
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erb stands for "Embedded RuBy". A .html.erb or .erb.html file is HTML with Ruby code embedded in; Rails will evaluate the Ruby to add content to the file dynamically, and will output a "pure" HTML file for rendering.
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