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How to migrate back from initial migration in Django 1.7?
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200
You can do the same with Django 1.7+ also:
python manage.py migrate <app> zero
This c...
How to search DOM elements using XPath or CSS selectors in Chrome Developer Tools?
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answered Aug 29 '11 at 20:49
Matt PolitoMatt Polito
8,86022 gold badges1616 silver badges1313 bronze badges
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Add column to SQL Server
... be given the value zero*/
In SQL Server 2008 the first one is a metadata only change. The second will update all rows.
In SQL Server 2012+ Enterprise edition the second one is a metadata only change too.
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Converting String array to java.util.List
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20
import java.util.Collections;
List myList = new ArrayList();
String[] myArray = new String[] {...
How to detect current state within directive
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answered Jun 20 '13 at 22:53
Cuong VoCuong Vo
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How to compare two dates?
...t; datetime(3000, 1, 1) < present
False
>>> present - datetime(2000, 4, 4)
datetime.timedelta(4242, 75703, 762105)
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How big should a UIBarButtonItem image be?
... I wish the Mobile HIG stated something more helpful than "about 20x20" though. If you use an image of exactly 20x20px it will actually not map 1:1, and the button won't be square.
– Clafou
Jul 22 '12 at 22:24
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Check that Field Exists with MongoDB
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answered Nov 8 '13 at 20:34
Sergio TulentsevSergio Tulentsev
203k3636 gold badges337337 silver badges336336 bronze badges
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R apply function with multiple parameters
...riedman) you can use mapply as follows:
vars1<-c(1,2,3)
vars2<-c(10,20,30)
mult_one<-function(var1,var2)
{
var1*var2
}
mapply(mult_one,vars1,vars2)
which gives you:
> mapply(mult_one,vars1,vars2)
[1] 10 40 90
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How does one make an optional closure in swift?
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answered Jun 24 '14 at 20:46
CezarCezar
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