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Help with C# generics error - “The type 'T' must be a non-nullable value type”
...t; means, and realise that it doesn't already have the constraint required by Nullable<T> itself. In other words, you could try to call:
CoalesceMax<string>(...)
which wouldn't make sense, as Nullable<string> isn't valid.
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What is “function*” in JavaScript?
...s programmatically so that they can be passed around and elements accessed by index without having to compute the entire sequence (possibly infinite in size) beforehand.
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Multi-Line Comments in Ruby?
How can I comment multiple lines in Ruby?
10 Answers
10
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How can I disable the Maven Javadoc plugin from the command line?
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The Javadoc generation can be skipped by setting the property maven.javadoc.skip to true [1], i.e.
-Dmaven.javadoc.skip=true
(and not false)
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What makes Lisp macros so special?
...anguage. This gives a simple syntax for a common case. The line
divisibleByTwo = [x for x in range(10) if x % 2 == 0]
yields a list containing all even numbers between 0 and 9. Back in the Python 1.5 days there was no such syntax; you'd use something more like this:
divisibleByTwo = []
for x i...
Word-wrap in an HTML table
...ozilla.org/en-US/docs/Web/CSS/table-layout Table and column widths are set by the widths of table and col elements or by the width of the first row of cells. Cells in subsequent rows do not affect column widths. Sounds like this is good for performance also.
– Sam Barnum
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Can you make valid Makefiles without tab characters?
... ask, “What’s wrong with that?”
There is nothing wrong with it, by itself. It’s just that when you consider how other programming tools work in Unix, using tabs as part of the syntax is like one of those pungee stick traps in The Green Berets: the poor kid from Kansas is walking point i...
phpunit mock method multiple calls with different arguments
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The PHPUnit Mocking library (by default) determines whether an expectation matches based solely on the matcher passed to expects parameter and the constraint passed to method. Because of this, two expect calls that only differ in the arguments passed to ...
How to split a long regular expression into multiple lines in JavaScript?
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You could convert it to a string and create the expression by calling new RegExp():
var myRE = new RegExp (['^(([^<>()[\]\\.,;:\\s@\"]+(\\.[^<>(),[\]\\.,;:\\s@\"]+)*)',
'|(\\".+\\"))@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.',
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Understanding the Rails Authenticity Token
... to service A (which you are logged into), and ask to delete your account, by sending a request to http://serviceA.com/close_account. This is what is known as CSRF (Cross Site Request Forgery).
If service A is using authenticity tokens, this attack vector is no longer applicable, since the request ...