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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
...arlos Castillo
2,86422 gold badges1111 silver badges99 bronze badges
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Foreign Key to non-primary key
...eep track of the same room, and a soft-delete field, like RM_Status, where 99 means 'deleted', and <> 99 means 'active'.
So when you create the first room, you insert RM_UID and RM_ApertureID as the same value as RM_UID.
Then, when you terminate the room to a date, and re-establish it with ...
Why does PEP-8 specify a maximum line length of 79 characters? [closed]
...y thinks that 79 is optimal, but there's no obvious gain in changing it to 99 or 119 or whatever your preferred line length is. I think the choices are these: follow the rule and find a worthwhile cause to battle for, or provide some data that demonstrates how readability and productivity vary with ...
How do I create a list of random numbers without duplicates?
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This will return a list of 10 numbers selected from the range 0 to 99, without duplicates.
import random
random.sample(range(100), 10)
With reference to your specific code example, you probably want to read all the lines from the file once and then select random lines from the saved list ...
Is there a “do … while” loop in Ruby?
...close enough to do...while to cause problems.
– user1992284
Jun 12 '13 at 9:54
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How to get a list of file names in different lines
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Johan KotlinskiJohan Kotlinski
23k99 gold badges7070 silver badges9999 bronze badges
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Regular expression to match non-ASCII characters?
...39\u093D\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097F\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u...
Rolling back a remote Git repository
...rigin old_master:master
Or, if there's a particular commit SHA1 (say 1e4f99e in abbreviated form) you'd like to move back to:
git push origin 1e4f99e:master
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Platform independent size_t Format specifiers in c?
...), t (for ptrdiff_t), and L (for long double). See §7.19.6.1 (7) of the C99 standard.
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What is size_t in C?
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From Wikipedia:
According to the 1999 ISO C standard
(C99), size_t is an unsigned integer
type of at least 16 bit (see sections
7.17 and 7.18.3).
size_tis an unsigned data type
defined by several C/C++ standards,
e.g. the C99 ISO/IEC 9899 stand...