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Devise - How do I forbid certain users from signing in?
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Sounds like you may be interested in cancan
https://github.com/ryanb/cancan
http://railscasts.com/episodes/192-authorization-with-cancan
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How to check if a given directory exists in Ruby
...ld use Kernel#test:
test ?d, 'some directory'
it gets it's origins from https://ss64.com/bash/test.html
you will notice bash test has this flag -d to test if a directory exists
-d file True if file is a Directory. [[ -d demofile ]]
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warning: implicit declaration of function
...mpile time directive.
Following links will shine light on the situation:
https://gcc.gnu.org/onlinedocs/gcc-5.3.0/gcc/Typeof.html
https://gcc.gnu.org/onlinedocs/gcc-5.3.0/gcc/Alternate-Keywords.html#Alternate-Keywords
as of conculsion try to use __typeof__() instead. Also gcc ... -Dtypeof=__type...
Where are environment variables stored in registry?
...on Manager\Environment"
Get-Item HKCU:\Environment
Powershell/.NET: (see https://msdn.microsoft.com/en-us/library/system.environmentvariabletarget(v=vs.110).aspx)
[System.Environment]::GetEnvironmentVariables([System.EnvironmentVariableTarget]::Machine)
[System.Environment]::GetEnvironmentVariabl...
How can I assign the output of a function to a variable using bash?
...ed often, e.g. functions ending in echo "$returnstring"
This is relevant. https://stackoverflow.com/a/38997681/5556676
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How do I determine which iOS SDK I have?
...ing the xcode-select command above should do the trick for you ;)
Source: https://github.com/fastlane/fastlane/issues/12784
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passing several arguments to FUN of lapply (and others *apply)
...iple Lists or Vector Arguments:
mapply(myfun, arg1, arg2)
See man page:
https://stat.ethz.ch/R-manual/R-devel/library/base/html/mapply.html
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f...
Twitter Bootstrap Button Text Word Wrap
...p">Lorem ipsum dolor sit amet, consectetur adipiscing elit.</a>
https://getbootstrap.com/docs/4.4/utilities/text/#text-wrapping-and-overflow
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What is the quickest way to HTTP GET in Python?
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It doesn't work with HTTPS-only websites. requests works fine
– OverCoder
Jul 16 '16 at 0:45
6
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How can I get a Bootstrap column to span multiple rows?
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For Bootstrap 3:
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet"/>
<div class="row">
<div class="col-md-4">
<div class="well">1
<br/>
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