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returning a Void object
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then what is the generically correct way to achieve a return type of void?
– Robert
Mar 9 '10 at 11:40
1
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How can I tell if my server is serving GZipped content?
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I would suggest using -L flag for curl too to follow all redirects, e.g. from non-www to www. otherwise result of size_download may be wrong
– vladkras
Nov 21 '16 at 10:12
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Multiple Type Constraints in Swift
...se a where clause which lets you specify as many requirements as you want (all of which must be fulfilled) separated by commas
Swift 2:
func someFunc<T where T:SomeProtocol, T:SomeOtherProtocol>(arg: T) {
// stuff
}
Swift 3 & 4:
func someFunc<T: SomeProtocol & SomeOtherProt...
What is href=“#” and why is it used?
...ain use of anchor tags - <a></a> - is as hyperlinks. That basically means that they take you somewhere. Hyperlinks require the href property, because it specifies a location.
Hash:
A hash - # within a hyperlink specifies an html element id to which the window should be scrolled.
hre...
What does !important mean in CSS?
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It means, essentially, what it says; that 'this is important, ignore subsequent rules, and any usual specificity issues, apply this rule!'
In normal use a rule defined in an external stylesheet is overruled by a style defined in the head of ...
What does “not run” mean in R help pages?
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It's not just time-consuming code that typically is put inside of a \dontrun{}. Code that requires user input needs to be be inside dontrun as well or else it won't pass R CMD check
– Dason
Oct 11 '12 at 23:03
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Float vs Decimal in ActiveRecord
...r that is how the IEEE specification defines floats in binary format. Basically, it stores sign, fraction and exponent to represent a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly.
Th...
How do I browse an old revision of a Subversion repository through the web view?
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Be careful with that: this is not officially supported and can change anytime with a new release. Even though it has been the same since the very beginnings of svn...
– Stefan
Mar 16 '09 at 18:01
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Best practice for storing and protecting private API keys in applications [closed]
... time, this happens through an API key. For security purposes, services usually generate a public and private, often also referred to as secret, key. Unfortunately, in order to connect to the services, this private key must be used to authenticate and hence, probably be part of the application.
Nee...
When to use references vs. pointers
...going in undefined-behaviour-land;
the reference attribute version doesn't allow (without easy to spot tricks) the problem with 1.
the reference attribute version is simpler to understand for the user: you have to provide a valid object, not something that could be null.
If the behaviour of the fun...