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django: BooleanField, how to set the default value to true?
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from django.db import models
class Foo(models.Model):
any_field = models.BooleanField(default=True)
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Where should signal handlers live in a django project?
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In my case I want to listen to a signal of model Foo which is part of fooapp. But the signal receiver is an extension and does live in an different app (for example otherapp).
– guettli
May 6 '14 at 8:02
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How does Task become an int?
... @JonSkeet But it doesn't make sense without the await - with T foo = someTaskT; you'd get "Cannot implicitly convert type Task<T> to T" - in the same way I argue that it would make more sense to have a keyword for the inverse (wrapping in Task<T>). I'm all for removing fluff ...
When to use a linked list over an array/array list?
... fastest practical priority queue structures.
– Fred Foo
Jun 4 '13 at 13:29
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Why do you have to link the math library in C?
... so your "stdmath" remark doesn't make sense.
– Fred Foo
Nov 14 '11 at 9:36
@FredFoo The types and interfaces were sta...
Why does ++[[]][+[]]+[+[]] return the string “10”?
... example, the following
Array.prototype.toString = function() {
return "foo";
};
++[[]][+[]]+[+[]]
... produces "NaNfoo". Why this happens is left as an exercise for the reader...
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How to use hex color values
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for completeness: let foo: Int = 0x123ABC - note the '0x'
– Carsten
Apr 5 '16 at 14:34
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How can I change an element's class with JavaScript?
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You can use node.className like so:
document.getElementById('foo').className = 'bar';
This should work in IE5.5 and up according to PPK.
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How to override Backbone.sync?
...ction (method, model, options) {
options.data = _.pick(this.attributes, 'foo', 'bar', 'baz');
return Backbone.sync.call(this, method, model, options);
}
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Does it make sense to do “try-finally” without “catch”?
...made.
This is also often used to prevent too much nesting:
try
{
if (foo) return false;
//bla ...
return true;
}
finally
{
//clean up
}
Especially when there are many points at which the method returns, this improves readability as anyone can see the clean up code is called in ev...