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Why are private fields private to the type, not the instance?
...ively defined instance-only accessibility for private methods and fields.
From a technical point of view, there's no reason to choose one way or the other (esp. when considering that Eiffel.NET can do this with IL, even with multiple inheritance, there's no inherent reason not to provide this featu...
In Ruby how do I generate a long string of repeated text?
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@Steven From Ruby's perspective, "0" * 999999 is treated as "0".*(999999) where * is a method in the String class. That method accepts numbers as valid arguments to perform string replication. When you reverse the expression, we get ...
Unique constraint on multiple columns
...or multiple constraints that span multiple columns. The syntax, simplified from technet's documentation, is in the form of:
CONSTRAINT constraint_name UNIQUE [ CLUSTERED | NONCLUSTERED ]
(
column [ ASC | DESC ] [ ,...n ]
)
Therefore, the resuting table definition would be:
CREATE TABLE [dbo...
Should I use PATCH or PUT in my REST API?
...nt them internally is of no concern to the API. You should be free to move from a ActivationService to a CQRS based activation flow, without having to change your API.
– berkes
Nov 13 '18 at 16:30
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Shell equality operators (=, ==, -eq)
...the right-hand-side must be quoted. If not quoted, it is a pattern match! (From bash man page: "Any part of the pattern may be quoted to force it to be matched as a string.").
Here in bash, the two statements yielding "yes" are pattern matching, other three are string equality:
$ rht="A*"
$ lft="A...
Better way of getting time in milliseconds in javascript?
... Worth noting that performance.now() gives monotonic time, unlike the time from Date. It means that every subsequent call is guaranteed to return a value not less than the previous one.
– user
Feb 23 '17 at 11:15
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Parsing IPv6 extension headers containing unknown extensions
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What if I encounter an unrecognized extension header type?
From RFC 2460:
If, as a result of processing a header, a node is required to proceed
to the next header but the Next Header value in the current header is
unrecognized by the node, it should discard the packet a...
How to copy yanked text to VI command prompt
...n paste it with shift-insert in the commandline.
Similarly, you can paste from the clipboard like this:
"*p
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Make page to tell browser not to cache/preserve input values
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From a Stack Overflow reference
It did not work with value="" if the browser already saves the value so you should add.
For an input tag there's the attribute autocomplete you can set:
<input type="text" autocomplete="o...
How to forward declare a template class in namespace std?
...e is a very bad practice because it prevents anyone using that header file from being able to use local names that would otherwise be valid. It basically defeats the entire point of namespaces.
– Andy Dent
Feb 23 '16 at 6:37
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