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How do I find if a string starts with another string in Ruby?
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MRI 1.8.7 does not have start_with?, but MRI 1.9 does, as does Rails.
– Wayne Conrad
Nov 12 '10 at 21:18
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Named regular expression group “(?Pregexp)”: what does “P” stand for?
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edited Apr 8 '12 at 16:00
answered Apr 8 '12 at 3:05
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No secret option provided to Rack::Session::Cookie warning?
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This is a Rails bug, as the subclass is violating the superclass API contract.
The warn...
How do you delete a column by name in data.table?
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8 Answers
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Active
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Change MySQL default character set to UTF-8 in my.cnf?
...e are using the following commands in PHP to set the character set to UTF-8 in our application.
18 Answers
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MySQL: What's the difference between float and double?
...get rounded and decimals do not. Decimal(9,3) could be for example 123456.789 whereas if you tried to store 123456.789 it would get inserted as 123456.0 as a float.
– Blake
Mar 6 '18 at 20:18
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How to run JUnit test cases from the command line
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edited Sep 18 '18 at 7:50
Sormuras
5,2522121 silver badges5050 bronze badges
answered Aug ...
Why are Python lambdas useful? [closed]
...tuff. Example:
mult3 = filter(lambda x: x % 3 == 0, [1, 2, 3, 4, 5, 6, 7, 8, 9])
sets mult3 to [3, 6, 9], those elements of the original list that are multiples of 3. This is shorter (and, one could argue, clearer) than
def filterfunc(x):
return x % 3 == 0
mult3 = filter(filterfunc, [1, 2, 3...
ExecJS::RuntimeError on Windows trying to follow rubytutorial
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My friend was attempting a Rails tutorial on Win 8 RTM a few months ago and ran into this error. Not sure if this issue exists in Windows 7 as well, but this may help.
Options:
1) Removing //= require_tree . / Ignoring the issue - As ColinR stated above, this line should ...
How do I detach objects in Entity Framework Code First?
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answered Apr 8 '11 at 20:00
Ladislav MrnkaLadislav Mrnka
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