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rails simple_form - hidden field - create?
... then just use Rails' hidden_field form builder since Simple Form inherits all the form builder methods.
– scarver2
Nov 4 '14 at 1:18
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Check whether a string contains a substring
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This way is especially preferrable, when you are searching using a variable - this way you won't have to double-escape characters (in this variable string), that are special for regular expressions (like :).
– evgeny9
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What is the difference between 'content' and 'text'
...ose that there would be a difference for a non-text response. But where is all this documented? Note that the linked document does state:
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Length of generator output [duplicate]
... Fibonacci numbers. You can get as many Fibonacci numbers as you want by calling next().
If you really need to know the number of items there are, then you can't iterate through them linearly one time anyway, so just use a different data structure such as a regular list.
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Rails 3 datatypes?
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Here are all the Rails3 (ActiveRecord migration) datatypes:
:binary
:boolean
:date
:datetime
:decimal
:float
:integer
:primary_key
:references
:string
:text
:time
:timestamp
Source
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Javascript Drag and drop for touch devices [closed]
...r("touchcancel", touchHandler, true);
}
And in your document.ready just call the init() function
code found from Here
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How to show current year in view?
...ht it might come handy for those who want to look at benchmark results for all the suggested solutions.
require 'benchmark'
n = 500000
Benchmark.bm do |x|
x.report { n.times do ; Date.today.year; end }
x.report { n.times do ; Date.current.year; end }
x.report { n.times do ; Time.current.year...
Default html form focus without JavaScript
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You can do it in HTML5, but otherwise, you must use JavaScript.
HTML5 allows you to add autofocus to your form element, eg:
<input type="text" name="myInput" autofocus />
This does work in browsers which support HTML5 (Or rather, browsers which support this particular part of HTML5) bu...
Difference between “on-heap” and “off-heap”
...y point to). This is important because a direct ByteBuffer (the ByteBuffer.allocateDirect kind, not the MMap kind) will be collected by the GC and when it gets collected it's Deallocater will get triggered, effectively collecting the unmanaged memory as well.
– Nitsan Wakart
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Git Gui: Perpetually getting “This repository currently has approximately 320 loose objects.”
...od disk space utilization and good operating performance.
--aggressive
Usually git gc runs very quickly while providing good disk space utilization and performance. This option will cause git gc to more aggressively optimize the repository at the expense of taking much more time. The effects of thi...