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How to set a default value for a datetime column to record creation time in a migration?
...e is a sample migration:
class CreatePosts < ActiveRecord::Migration[5.0]
def change
create_table :posts do |t|
t.datetime :modified_at, default: -> { 'CURRENT_TIMESTAMP' }
t.timestamps
end
end
end
See discussion at https://github.com/rails/rails/issues/27077 and an...
What is Model in ModelAndView from Spring MVC?
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answered Feb 20 '11 at 5:20
limclimc
35.4k1919 gold badges9292 silver badges139139 bronze badges
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Is there a JavaScript function that can pad a string to get to a determined length?
... solution here and this is for me much much simpler:
var n = 123
String("00000" + n).slice(-5); // returns 00123
("00000" + n).slice(-5); // returns 00123
(" " + n).slice(-5); // returns " 123" (with two spaces)
And here I made an extension to the string object:
String.prototype.paddingLef...
How do you truncate all tables in a database using TSQL?
...
For SQL 2005,
EXEC sp_MSForEachTable 'TRUNCATE TABLE ?'
Couple more links for 2000 and 2005/2008..
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nuget 'packages' element is not declared warning
...rning. To do this, create file named "packages.xsd":
<?xml version="1.0" encoding="utf-8" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
targetNamespace="urn:packages" xmlns="urn:packages">
<xs:element name="packages">
<xs:...
Checking if an Android application is running in the background
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30 Answers
30
Active
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Find the day of a week
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305
df = data.frame(date=c("2012-02-01", "2012-02-01", "2012-02-02"))
df$day <- weekdays(as.Dat...
Express next function, what is it really for?
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edited Oct 30 '12 at 5:33
answered Oct 30 '12 at 5:26
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Importing Maven project into Eclipse
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answered Jan 14 '10 at 1:33
Pascal ThiventPascal Thivent
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How to set thousands separator in Java?
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110
This should work (untested, based on JavaDoc):
DecimalFormat formatter = (DecimalFormat) Number...
