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How to check if running as root in a bash script
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430
The $EUID environment variable holds the current user's UID. Root's UID is 0. Use something like...
What should a Multipart HTTP request with multiple files look like? [duplicate]
... dot (".").
POST /cgi-bin/qtest HTTP/1.1
Host: aram
User-Agent: Mozilla/5.0 Gecko/2009042316 Firefox/3.0.10
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
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How to remove an element from an array in Swift
... without the elements you want removed, e.g:
let pets = animals.filter { $0 != "chimps" }
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What does .SD stand for in data.table in R
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206
.SD stands for something like "Subset of Data.table". There's no significance to the initial "....
Convert Array to Object
... It will return the target object.
Object.assign({}, ['a','b','c']); // {0:"a", 1:"b", 2:"c"}
The own length property of the array is not copied because it isn't enumerable.
Also, you can use ES6 spread syntax to achieve the same result:
{ ...['a', 'b', 'c'] }
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How to put comments in Django templates
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answered Apr 6 '09 at 0:13
Van GaleVan Gale
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How to run only one task in ansible playbook?
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You may also apply tags to roles:
roles:
- { role: webserver, port: 5000, tags: [ 'web', 'foo' ] }
And you may also tag basic include statements:
- include: foo.yml tags=web,foo
Both of these have the function of tagging every single task inside the include statement.
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optional parameters in SQL Server stored proc?
I'm writing some stored procs in SQL Server 2008, and wondered if the concept of optional input parameters is possible here?
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UIView's frame, bounds, center, origin, when to use what?
... bounds is using coordinate of the local view (therefore its x and y are 0, but not always), but it's still confusing to me when to use what.
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How to add reference to a method parameter in javadoc?
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edited May 25 '16 at 7:10
Jacek Laskowski
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