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How can I check if an element exists in the visible DOM?
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Installing Google Protocol Buffers on mac
...red May 20 '14 at 12:58
John GilmoreJohn Gilmore
2,63711 gold badge1818 silver badges1818 bronze badges
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Authoritative position of duplicate HTTP GET query keys
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More to the point of the question, there is also the option of ['rails', 'ruby'] (different order).
– Thilo
Nov 18 '09 at 0:48
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How can I extract audio from video with ffmpeg?
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adb command not found
...ide automatic updates.
install homebrew
ruby -e "$(curl -fsSL
https://raw.githubusercontent.com/Homebrew/install/master/install)"
Install adb
brew cask install android-platform-tools
Start using adb
adb devices
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A top-like utility for monitoring CUDA activity on a GPU
... combines this information, but you can use the nvidia-smi tool to get the raw data, like so (thanks to @jmsu for the tip on -l):
$ nvidia-smi -q -g 0 -d UTILIZATION -l
==============NVSMI LOG==============
Timestamp : Tue Nov 22 11:50:05 2011
Driver Version ...
Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
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#start your server
rails -s
results (in browser)
- !ruby/object:Post
raw_attributes:
id: 2
title: My Second Post
body: Welcome! This is another example post
published_at: '2015-10-19 23:00:43.469520'
created_at: '2015-10-20 00:00:43.470739'
updated_at: '2015-10-20 00:0...
Fastest way to copy file in node.js
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294
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Replace all 0 values to NA
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This works, and is more flexible than the accepted answer.
– drT
Aug 27 at 7:28
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If list index exists, do X
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Could it be more useful for you to use the length of the list len(n) to inform your decision rather than checking n[i] for each possible length?
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