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Inheriting class methods from modules / mixins in Ruby
...
A common idiom is to use included hook and inject class methods from there.
module Foo
def self.included base
base.send :include, InstanceMethods
base.extend ClassMethods
end
module InstanceMethods
def bar1
'bar1'
end
end
module ...
SQL Server principal “dbo” does not exist,
...My database did not have had any owner before this issue. Execute this command in your database to set owner to sysadmin account:
use [YourDatabaseName] EXEC sp_changedbowner 'sa'
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How can I set focus on an element in an HTML form using JavaScript?
...PI (e.g. Document.forms, Document.getelementsByTagName or Node.childNodes) and either rely on a known document structure or look for some element specific properties.
– peterph
Jun 16 '14 at 10:03
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How can I print a circular structure in a JSON-like format?
I have a big object I want to convert to JSON and send. However it has circular structure. I want to toss whatever circular references exist and send whatever can be stringified. How do I do that?
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What's the difference setting Embed Interop Types true and false in Visual Studio?
...ou actually use in code.
Read more in Scott Hanselman's blog post about it and other VS improvements here.
As for whether it is advised or not, I'm not sure as I don't need to use this feature. A quick web search yields a few leads:
Check your Embed Interop Types flag when doing Visual Studio exten...
Why don't Java Generics support primitive types?
...as to be convertable to Object (in this example get(0) returns an Object), and the primitive types aren't. So they can't be used in generics.
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What is the difference between .map, .every, and .forEach?
...ay performing a given action for each item in the Array.
Read about these and the many other Array iteration methods at MDN.
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How to easily initialize a list of Tuples?
...
{
(1, "cow"),
(5, "chickens"),
(1, "airplane")
};
And if you don't like "Item1" and "Item2", you can do:
var tupleList = new List<(int Index, string Name)>
{
(1, "cow"),
(5, "chickens"),
(1, "airplane")
};
or for an array:
var tupleList = ...
Can't install via pip because of egg_info error
... egg ones.
If you find yourself having my issue above, download this file and then in powershell or command prompt, navigate to ez_setup’s directory and execute the command and this will run the file for you:
$ [sudo] python ez_setup.py
If you still need to install pip at this point, run:
$ ...
Chrome sendrequest error: TypeError: Converting circular structure to JSON
...s. document has a reference to the DOM tree at least through document.body and document.body.ownerDocument refers back to document again, which is only one of multiple circular references in the DOM tree.
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