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Accessing bash command line args $@ vs $*
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$@ is same as $*, but each parameter is a quoted string, that is, the parameters are passed on intact, without interpretation or expansion. This means, among other things, that each parameter in the argument list is seen as a separate word.
Of course, "$@" should be quoted...
Rails has_and_belongs_to_many migration
I have two models restaurant and user that I want to perform a has_and_belongs_to_many relationship.
4 Answers
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Unescape HTML entities in Javascript?
...script code that communicates with an XML-RPC backend.
The XML-RPC returns strings of the form:
29 Answers
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Using javadoc for Python documentation [closed]
...he reStructuredText (also known as "reST") format, which is a plaintext/docstring markup format, and probably the most popular in the Python world. And you should certainly look at Sphinx, a tool to generate documentation from reStructuredText (used for eg. the Python documentation itself). Sphinx i...
Is it possible to view RabbitMQ message contents directly from the command line?
...operties":{},"routing_key":"abcxyz","payload":"foobar","payload_encoding":"string"}'
HTTP/1.1 200 OK
Server: MochiWeb/1.1 WebMachine/1.10.0 (never breaks eye contact)
Date: Wed, 10 Sep 2014 17:46:59 GMT
content-type: application/json
Content-Length: 15
Cache-Control: no-cache
{"routed":true}
Rabb...
Check whether a value is a number in JavaScript or jQuery [duplicate]
... even better: return !isNaN(+n) && isFinite(n) since for a numeric string with trailing letters the parseFloat | parseInt will return true and the second check isFInite will return false. While with unary + it will fail immediately.
– Arman McHitarian
M...
Newline character sequence in CSS 'content' property? [duplicate]
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The content property accepts a string and:
A string cannot directly contain a newline. To include a newline in a
string, use an escape representing the line feed character in
ISO-10646 (U+000A), such as "\A" or "\00000a". This character
represent...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
...irtualBox VM, so that when I vagrant up Vagrant will import the base-box and create a new virtual machine.
10 Answers
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any tool for java object to object mapping? [closed]
...re:
Commons-BeanUtils: ConvertUtils -> Utility methods for converting String scalar values to objects of the specified Class, String arrays to arrays of the specified Class.
Commons-Lang: ArrayUtils -> Operations on arrays, primitive arrays (like int[]) and primitive wrapper arrays (like In...
DISTINCT for only one column
...OM Products
WHERE ProductModel = 2
AND ProductName LIKE 'CYBER%'
) a
WHERE rn = 1
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