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How can I list ALL DNS records?
... The spec has never been interpreted consistently by resolvers as to the meaning of ANY. It definitely does not mean ALL (there's a request for that), although some (not many) treated it that way. Others just dumped their cache, and others restricted it to certain record types. In modern times ...
How to pass parameters using ui-sref in ui-router to controller
... is that the state home now has url defined as:
url: '/:foo?bar',
which means, that the params in url are expected as
/fooVal?bar=barValue
These two links will correctly pass arguments into the controller:
<a ui-sref="home({foo: 'fooVal1', bar: 'barVal1'})">
<a ui-sref="home({foo: '...
Sass - Converting Hex to RGBa for background opacity
...
To the best of my knowledge, RGBA adds opacity, meaning you can see elements behind it. With standard hex, you can't do this.
– Richard Peck
Nov 20 '15 at 21:56
...
Insert space before capital letters
...tring.replace(/([A-Z])([A-Z][a-z])/g, '$1 $2')
return string;
}
This means that:
ACROText -> ACRO Text
UserNameTest -> User Name Test
Which might be slightly more useful if you are dealing with db column names (And are using acronyms for some things)
...
LIKE vs CONTAINS on SQL Server
...
The second (assuming you means CONTAINS, and actually put it in a valid query) should be faster, because it can use some form of index (in this case, a full text index). Of course, this form of query is only available if the column is in a full text ...
Node.js Best Practice Exception Handling
...ration, report an error to the user, or something else. But that doesn’t mean you should try to report all errors to a single top-level callback, because that callback itself can’t know in what context the error occurred"
Number5: Document API errors using Swagger
TL;DR: Let your API caller...
Why is document.body null in my javascript?
...
Thank you, what do you mean? Don't I have a body tag?
– John Hoffman
Mar 28 '12 at 22:45
5
...
What is the difference between supervised learning and unsupervised learning? [closed]
...is a face.
This particular example of face detection is supervised, which means that your examples must be labeled, or explicitly say which ones are faces and which ones aren't.
In an unsupervised algorithm your examples are not labeled, i.e. you don't say anything. Of course, in such a case the a...
Inheriting class methods from modules / mixins in Ruby
...e plain objects – they are instances of the class Class and Module. This means that you can dynamically create new classes, assign them to variables, etc.:
klass = Class.new do
def foo
"foo"
end
end
#=> #<Class:0x2b613d0>
klass.new.foo
#=> "foo"
Also in Ruby, you have the p...
String.replaceAll single backslashes with double backslashes
...placement represent \ literal we need to escape it with additional \ which means that:
replacement must hold two backslash characters \\
and String literal which represents \\ looks like "\\\\"
BUT since we want replacement to hold two backslashes we will need "\\\\\\\\" (each \ represented by o...