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How to run a single RSpec test?
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answered Feb 10 '19 at 12:08
emcemc
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DbEntityValidationException - How can I easily tell what caused the error?
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+200
The easiest solution is to override SaveChanges on your entities class. You can catch the DbEntityValidationException, unwrap the act...
Django filter queryset __in for *every* item in list
...d('Tag')
class Tag(models.Model):
name = models.CharField(max_length=50)
def __unicode__(self):
return self.name
In [2]: t1 = Tag.objects.create(name='holiday')
In [3]: t2 = Tag.objects.create(name='summer')
In [4]: p = Photo.objects.create()
In [5]: p.tags.add(t1)
In [6]: p.tags....
Is there a way to take a screenshot using Java and save it to some sort of image?
...eateScreenCapture(screenRect);
ImageIO.write(capture, "bmp", new File(args[0]));
NOTE: This will only capture the primary monitor. See GraphicsConfiguration for multi-monitor support.
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How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...cument();
xml.AppendChild(xml.CreateElement("root", "whatever:name-space-1.0"));
xml.DocumentElement.AppendChild(xml.CreateElement("loner", "whatever:name-space-1.0"));
Console.WriteLine(xml.OuterXml);
Thanks everyone to all your answers which led me in the right direction!
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In Bash, how to add “Are you sure [Y/n]” to any command or alias?
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Noam Manos
9,50422 gold badges5858 silver badges5757 bronze badges
answered Jul 12 '10 at 20:36
Paused until furthe...
How can I check if my python object is a number? [duplicate]
...;> import decimal
>>> [isinstance(x, numbers.Number) for x in (0, 0.0, 0j, decimal.Decimal(0))]
[True, True, True, True]
This uses ABCs and will work for all built-in number-like classes, and also for all third-party classes if they are worth their salt (registered as subclasses of the...
In c# is there a method to find the max of 3 numbers?
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10 Answers
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How to draw rounded rectangle in Android UI?
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220
In your layout xml do the following:
<shape xmlns:android="http://schemas.android.com/apk/re...
Pointers in C: when to use the ampersand and the asterisk?
... of integers
int i = *a; // the value of the first element of a
int i2 = a[0]; // another way to get the first element
To get the second element:
int a[2]; // array
int i = *(a + 1); // the value of the second element
int i2 = a[1]; // the value of the second element
So the [] indexing operator...