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How can I alter a primary key constraint using SQL syntax?
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149
Yes. The only way would be to drop the constraint with an Alter table then recreate it.
ALTER ...
Small Haskell program compiled with GHC into huge binary
...'s see what's going on, try
$ du -hs A
13M A
$ file A
A: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.27, not stripped
$ ldd A
linux-vdso.so.1 => (0x00007fff1b9ff000)
libXrandr.so.2 => /usr/lib/libX...
Pass An Instantiated System.Type as a Type Parameter for a Generic Class
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edited Aug 5 '15 at 21:45
ErikE
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answere...
Plot a bar using matplotlib using a dictionary
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154
You can do it in two lines by first plotting the bar chart and then setting the appropriate tick...
What is scope/named_scope in rails?
...e(subscribed_to_newsletter: true)
#yada yada
end
If you're using Rails 4 or newer, do this instead:
#File: users.rb
class User < ActiveRecord::Base
scope :newsletter, -> { where(subscribed_to_newsletter: true) }
#yada yada
end
This allows you to access your subscribers by simply doi...
How do I setup a SSL certificate for an express.js server?
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edited Dec 17 '14 at 17:29
mikemaccana
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JQuery find first parent element with specific class prefix
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edited Sep 6 '13 at 12:24
answered Sep 17 '11 at 20:38
Ma...
Select records from NOW() -1 Day
...efully.
– Jon Skeet
Jul 17 '18 at 7:46
add a comment
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How to use android emulator for testing bluetooth application?
... edited Jul 5 '16 at 1:26
F43nd1r
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answered Mar 24 '14 at 8:31
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What do you call the -> operator in Ruby?
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