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How do I remove a key from a JavaScript object? [duplicate]
...ing over keys in an object, and delete them if they match a certain value, does this affect the key index while you are looping over it?
– CMaury
Feb 4 '13 at 15:57
13
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What does !! mean in ruby?
... you need to convert, say, an enumeration into a boolean. I have code that does exactly that, using the classy_enum gem:
class LinkStatus < ClassyEnum::Base
def !
return true
end
end
class LinkStatus::No < LinkStatus
end
class LinkStatus::Claimed < LinkStatus
def !
return f...
How does UTF-8 “variable-width encoding” work?
... that you need 4 bytes to store them all. That's what the UTF-32 encoding does. Yet the UTF-8 encoding somehow squeezes these into much smaller spaces by using something called "variable-width encoding".
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Does IMDB provide an API? [closed]
... RE: The JSONP API not gracefully falling back, (at least) it does return an HTTP error code, but I agree that it's funny that the response body is XML.
– Omni5cience
Dec 22 '11 at 5:00
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Why does a base64 encoded string have an = sign at the end
...serves as padding.
A more complete answer is that a base64 encoded string doesn't always end with a =, it will only end with one or two = if they are required to pad the string out to the proper length.
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Matplotlib tight_layout() doesn't take into account figure suptitle
...subtitle to my matplotlib figure it gets overlaid by the subplot's titles. Does anybody know how to easily take care of that? I tried the tight_layout() function, but it only makes things worse.
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How can I shrink the drawable on a button?
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Now the image is displayed but it does not get resized! I tried values between 0.1f and 10f. Any idea? Thanks for your help...
– Reto
Sep 24 '11 at 16:01
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JavaScript for…in vs for
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As commented at another answer(s), the "for...in" does not work correctly for Arrays, as it will iterate over all Array properties and methods. Thus, you should use "for...in" only for iterating over object properties. Otherwise, stick to "for(i=0; i<something; i++)"
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What exactly does Perl's “bless” do?
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bless associates a reference with a package.
It doesn't matter what the reference is to, it can be to a hash (most common case), to an array (not so common), to a scalar (usually this indicates an inside-out object), to a regular expression, subroutine or TYPEGLOB (see the...
Should I use the Reply-To header when sending emails as a service to others?
...Use the Reply-To header instead (or in addition, although gmail apparently doesn't need it). Here's how linkedin does it:
Sender: messages-noreply@bounce.linkedin.com
From: John Doe via LinkedIn <member@linkedin.com>
Reply-To: John Doe <John.Doe@gmail.com>
To: My Name <My.Name@gmail...