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Change a Rails application to production
...ails application to run in production mode? Is there a config file, environment.rb for example, to do that?
15 Answers
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Can I escape html special chars in javascript?
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@jamix You can not do a global replacement with raw strings, while modern browser engines optimize simple regular expression pretty good.
– bjornd
May 30 '14 at 15:43
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Support for “border-radius” in IE
...-border-radius is for Firefox, -webkit-border-radius is for Safari and Chrome.
Furthermore: don't forget to declare your IE coding is ie9:
<meta http-equiv="X-UA-Compatible" content="IE=9" />
Some lazy developers have <meta http-equiv="X-UA-Compatible" content="IE=7" />. If that tag ...
UICollectionView spacing margins
...s it possible to do that using UICollectionViewFlowLayout or must I implement my own UICollectionViewLayout ?
15 Answers...
Xcode/Simulator: How to run older iOS version?
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Oh sorry, i'm running on 4.1 where you can set the deployment target to 3.0.
– ingh.am
Nov 23 '10 at 23:22
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In a bootstrap responsive page how to center a div
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UPDATE for Bootstrap 4
Simpler vertical grid alignement with flex-box
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css');
html,
body {
height: 100%
}
<div class="h-100 row align-items-center">
<div class="col" ...
How to prevent form from being submitted?
I have a form that has a submit button in it somewhere.
10 Answers
10
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iterating over and removing from a map [duplicate]
...e behaviour of removeIf on map.values()? it removes all the key->val elements pointing to such value?
– Marco Servetto
May 19 at 2:54
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How to loop through all enum values in C#? [duplicate]
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Yes you can use the GetValues method:
var values = Enum.GetValues(typeof(Foos));
Or the typed version:
var values = Enum.GetValues(typeof(Foos)).Cast<Foos>();
I long ago added a helper function to my private library for just such an occasion:
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Convert to binary and keep leading zeros in Python
...formatted string literal (3.6+) or use str.format() and put the second argument for the format() function after the colon of the placeholder {:..}:
>>> value = 14
>>> f'The produced output, in binary, is: {value:#010b}'
'The produced output, in binary, is: 0b00001110'
>>>...