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How does Rails keep track of which migrations have run for a database?
... row from schema_migrations.
For example, running a migration file named 20120620193144_create_users.rb will insert a new row with a version of 20120620193144 into the schema_migrations table.
You are free at any point to introduce migrations with earlier versions. Rails will always run any new mi...
Loop through each row of a range in Excel
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answered Sep 23 '09 at 0:19
MikeMike
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{version} wildcard in MVC4 Bundle
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answered Aug 20 '12 at 17:04
Hao KungHao Kung
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How to make the 'cut' command treat same sequental delimiters as one?
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edited Apr 23 '18 at 23:03
Austin Adams
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answer...
Export from sqlite to csv using shell script
...qlite.db <<!
.headers on
.mode csv
.output out.csv
select * from eS1100_sensor_results;
!
instead.
sh/bash methods
You can either call your script with a redirection:
$ your_script >out.csv
or you can insert the following as a first line in your script:
exec >out.csv
The former method...
Getting number of elements in an iterator in Python
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101
No. It's not possible.
Example:
import random
def gen(n):
for i in xrange(n):
if...
Python - use list as function parameters
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edited Jun 18 '15 at 21:03
answered Apr 16 '13 at 18:04
M...
Resolving conflicts: how to accept “their” changes automatically?
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answered Mar 21 '13 at 11:10
NofflsNoffls
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How to scroll to the bottom of a UITableView on the iPhone before the view appears
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I believe that calling
tableView.setContentOffset(CGPoint(x: 0, y: CGFloat.greatestFiniteMagnitude), animated: false)
will do what you want.
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What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?
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thecoshman
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answered Jan 6 '12 at 9:15
Andy ArismendiAndy Arismendi
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