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Get last dirname/filename in a file path argument in Bash
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sthsth
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In Jinja2, how do you test if a variable is undefined?
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345
From the Jinja2 template designer documentation:
{% if variable is defined %}
value of var...
Does git return specific return error codes?
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answered Feb 7 '11 at 4:08
chrisaycockchrisaycock
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How to find the key of the largest value hash?
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49
worth noting you get back a 2 element array with [key, value]
– justingordon
Jun 21 '14 at 2:01
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Why is MySQL's default collation latin1_swedish_ci?
...e collation
– kommradHomer
Feb 26 '14 at 10:47
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Talking about 'good defaults'. Which this, of co...
conditional unique constraint
...'Oh no!', 1);
INSERT INTO CheckConstraint VALUES (2, 'Oh no!', 2);
-- Msg 547, Level 16, State 0, Line 14
-- The INSERT statement conflicted with the CHECK constraint "CheckActiveCountConstraint". The conflict occurred in database "TestSchema", table "dbo.CheckConstraint".
INSERT INTO CheckConstrain...
ERROR: Error installing capybara-webkit:
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If you are in Ubuntu do
sudo apt-get install qt4-dev-tools libqt4-dev libqt4-core libqt4-gui
If you are on Mac
brew install qt
and then
gem install capybara-webkit -v '0.11.0'
share
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What is the maximum number of characters that nvarchar(MAX) will hold?
...tailed numbers, you should be able to store
(2 ^ 31 - 1 - 2) / 2 = 1'073'741'822 double-byte characters
1 billion, 73 million, 741 thousand and 822 characters to be precise
in your NVARCHAR(MAX) column (unfortunately, that last half character is wasted...)
Update: as @MartinMulder pointed out: ...
Python: using a recursive algorithm as a generator
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In Python 3.4, you can replace the last two lines with yield from getPermutations(string[:i] + string[i+1:]), which is more efficient in many ways!
– Manuel Ebert
Apr 29 '14 at 17:46
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HTML anchor link - href and onclick both?
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