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List comprehension with if statement
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edited Feb 10 '17 at 17:10
pfnuesel
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Android - Writing a custom (compound) component
...omponents at once. So I think you can imagine that this Activity has like 20 fields (a field for almost every component). Also it contains a lot of logic (click listeners, logic to fill lists, etc).
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How to define two fields “unique” as couple
...ple:
class MyModel(models.Model):
field1 = models.CharField(max_length=50)
field2 = models.CharField(max_length=50)
class Meta:
unique_together = ('field1', 'field2',)
And in your case:
class Volume(models.Model):
id = models.AutoField(primary_key=True)
journal_id = models.Foreign...
`new function()` with lower case “f” in JavaScript
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edited Jun 20 '12 at 8:58
Quamis
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C# version of java's synchronized keyword?
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answered Feb 12 '09 at 14:00
Marc Gravell♦Marc Gravell
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Map to String in Java
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140
Use Object#toString().
String string = map.toString();
That's after all also what System.out....
How to get the parents of a Python class?
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240
Use the following attribute:
cls.__bases__
From the docs:
The tuple of base classes of a ...
What happens if i return before the end of using statement? Will the dispose be called?
...de:
using(MemoryStream ms = new MemoryStream())
{
//code
return 0;
}
effectively becomes:
MemoryStream ms = new MemoryStream();
try
{
// code
return 0;
}
finally
{
ms.Dispose();
}
So, because finally is guaranteed to execute after the try block has finished execution, reg...
jQuery empty() vs remove()
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160
empty() will empty the selection of its contents, but preserve the selection itself.
remove() w...
How can I change a secret Gist to public?
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80
I upload a Gist code and set it to be secret.
Now I want to change the gist to public, but I ca...