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How can I check if a command exists in a shell script? [duplicate]
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Ivan TarasovIvan Tarasov
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Rails 2.3-style plugins and deprecation warnings running task in Heroku
...uby Support 2013-10-26)
The rails_12factor gem is also required in rails 4.
If this gem is not present in your application, you will receive a
warning while deploying, and your assets and logs will not be
functional. (Rails 4 on Heroku 2013-10-26)
As recently as 2013-08, heroku always in...
How to calculate the number of occurrence of a given character in each row of a column of strings?
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143
The stringr package provides the str_count function which seems to do what you're interested in...
Changing every value in a hash in Ruby
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answered Mar 4 '11 at 3:17
PhrogzPhrogz
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How do I set up IntelliJ IDEA for Android applications?
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edited Nov 19 '14 at 19:51
soshial
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ans...
How to get Linux console window width in Python
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How to detect page zoom level in all modern browsers?
...dth uses CSS pixels--thanks to Quirksmode widths)
FF3.6: no known method
FF4+: media queries binary search (see below)
WebKit: https://www.chromestatus.com/feature/5737866978131968 (thanks to Teo in the comments)
WebKit: measure the preferred size of a div with -webkit-text-size-adjust:none.
WebKit:...
How to add a filter class in Spring Boot?
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Haim RamanHaim Raman
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Duplicate and rename Xcode project & associated folders [closed]
...for providing the separate answers to this problem.
Duplicating an XCode 4 Project
Renaming xcode 4 project and the actual folder
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How to comment out a block of Python code in Vim
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415
Step 1: Go to the the first column of the first line you want to comment.
Step 2: Press: Ct...