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SQLite select where empty?
...ere coalesce(some_column, '') = ''
of
where ifnull(length(some_column), 0) = 0
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How do I auto-hide placeholder text upon focus using css or jquery?
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edited Aug 17 '17 at 8:10
C.d.
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answered Mar 14...
How can I create a Set of Sets in Python?
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answered May 9 '11 at 0:18
a3nma3nm
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Linux/Unix command to determine if process is running?
...ps cax | grep command
The output on Gentoo Linux:
14484 ? S 0:00 apache2
14667 ? S 0:00 apache2
19620 ? Sl 0:00 apache2
21132 ? Ss 0:04 apache2
The output on OS X:
42582 ?? Z 0:00.00 (smbclient)
46529 ?? Z 0:00.00 (smbclient)
46539...
How to list npm user-installed packages?
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1305
This works pretty well too: npm list -g --depth=0
npm: the Node package manager command line ...
Logical XOR operator in C++?
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answered Oct 20 '09 at 19:03
Greg HewgillGreg Hewgill
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Read input from console in Ruby?
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230
Are you talking about gets?
puts "Enter A"
a = gets.chomp
puts "Enter B"
b = gets.chomp
c = a.t...
What are best practices for validating email addresses on iOS 2.0
... the cleanest way to validate an email address that a user enters on iOS 2.0?
13 Answers
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What do 'real', 'user' and 'sys' mean in the output of time(1)?
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2130
Real, User and Sys process time statistics
One of these things is not like the other. Real ref...
Using jQuery to see if a div has a child with a certain class
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201
You can use the find function:
if($('#popup').find('p.filled-text').length !== 0)
// Do Stu...