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How to check if a value exists in an array in Ruby
... as pointed out by @campaterson. So within Rails, or if you require 'active_support', you can write:
'Unicorn'.in?(['Cat', 'Dog', 'Bird']) # => false
OTOH, there is no in operator or #in? method in Ruby itself, even though it has been proposed before, in particular by Yusuke Endoh a top notch ...
How can I manipulate the strip text of facet_grid plots?
...ulating not the plot title but the text that appears in facet titles (strip_h).
3 Answers
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Where does 'Hello world' come from?
...irst edition of the C book, was published in 1978 en.wikipedia.org/wiki/The_C_Programming_Language_(book) There was a "a 1974 Bell Laboratories internal memorandum by Brian Kernighan, Programming in C: A Tutorial" en.wikipedia.org/wiki/Hello_world_program
– barlop
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Is there a .NET/C# wrapper for SQLite? [closed]
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community wiki
dodgy_coder
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Stack, Static, and Heap in C++
...cle is proportional to the size of the heap -- see hpl.hp.com/personal/Hans_Boehm/gc/complexity.html.
– Martin B
Aug 5 '09 at 11:00
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Getting “bytes.Buffer does not implement io.Writer” error message
...main
import "bytes"
import "io"
func main() {
var b bytes.Buffer
_ = io.Writer(&b)
}
You don't need use "bufio.NewWriter(&b)" to create an io.Writer. &b is an io.Writer itself.
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How to use SQL Order By statement to sort results case insensitive?
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They differ only for the characters []^_` .
– dan04
May 27 '14 at 13:08
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No secret option provided to Rack::Session::Cookie warning?
...k for you.
/usr/local/lib/ruby/gems/1.9.1/gems/actionpack-3.2.9/lib/action_dispatch/middleware/session/abstract_store.rb
module Compatibility
def initialize(app, options = {})
options[:key] ||= '_session_id'
#fixed warning - SECURITY WARNING: No secret option ...
Do checkbox inputs only post data if they're checked?
...lt. However, if you are not interested in the value, just use:
if (isset($_POST['the_checkbox'])){
// name="the_checkbox" is checked
}
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How to change an application icon programmatically in Android?
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<uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
<uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT" />
Then you need this two methods for installing and uninstalling shortcuts. The shortcutAdd method creates a bitmap ...