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What should I do if the current ASP.NET session is null?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Sep 5 '09 at 8:51
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Algorithm to detect intersection of two rectangles?
...e = v(n) - v(n-1)
You can get a perpendicular to this by rotating it by 90°. In 2D this is easy as:
rotated.x = -unrotated.y
rotated.y = unrotated.x
So no trigonometry or slopes involved. Normalizing the vector to unit-length is not required either.
If you want to test if a point is on o...
Check if checkbox is checked with jQuery
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709
IDs must be unique in your document, meaning that you shouldn't do this:
<input type="check...
What does CultureInfo.InvariantCulture mean?
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answered Mar 18 '12 at 17:10
JohnBJohnB
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Why not use always android:configChanges=“keyboardHidden|orientation”?
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+50
Quick Background
By default, when certain key configuration changes happen on Android (a common example is an orientation change), An...
cannot load such file — bundler/setup (LoadError)
I'm setting Rails 4 application with Ruby 2.0, but I'm getting "Web application could not be started" and get this trace:
1...
Java SafeVarargs annotation, does a standard or best practice exist?
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edited Dec 11 '18 at 13:30
Blake
58344 silver badges1717 bronze badges
answered Jan 10 '13 at 6:43
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Include intermediary (through model) in responses in Django Rest Framework
...yanph, serializers.field was renamed to serializers.ReadOnlyField in DRF 3.0, so this should read:
class MembershipSerializer(serializers.HyperlinkedModelSerializer):
id = serializers.ReadOnlyField(source='group.id')
name = serializers.ReadOnlyField(source='group.name')
class Meta:
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Can I Replace Apache with Node.js?
...dsarnold
94.7k1919 gold badges157157 silver badges210210 bronze badges
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Using crontab to execute script every minute and another every 24 hours [closed]
.../www/html/a.php every minute. The execution on every minute must start at 00:00. The other task which must execute a script at 00:00 /var/www/html/reset.php (once every 24 hours).
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