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In where shall I use isset() and !empty()
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sed or awk: delete n lines following a pattern
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192
I'll have a go at this.
To delete 5 lines after a pattern (including the line with the patter...
How do I revert to a previous package in Anaconda?
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147
I had to use the install function instead:
conda install pandas=0.13.1
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iOS: Use a boolean in NSUserDefaults
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edited Apr 26 '19 at 13:06
Arshad Shaik
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answered Oct 1 ...
cancelling a handler.postdelayed process
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481
I do this to post a delayed runnable:
myHandler.postDelayed(myRunnable, SPLASH_DISPLAY_LENGTH);...
Jinja2 shorthand conditional
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answered Jan 8 '13 at 12:32
berealbereal
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What exactly does the enable-background attribute do?
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It's supposed to make the background image available to child elements of the element it's spe...
How to embed an autoplaying YouTube video in an iframe?
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how to get the current working directory's absolute path from irb
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521
Dir.pwd seems to do the trick.
http://ruby-doc.org/core/Dir.html#method-c-pwd
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PostgreSQL Connection URL
...as follows:
postgresql://[user[:password]@][netloc][:port][/dbname][?param1=value1&...]
Here are examples from same document
postgresql://
postgresql://localhost
postgresql://localhost:5432
postgresql://localhost/mydb
postgresql://user@localhost
postgresql://user:secret@localhost
postgresql:...