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Overriding == operator. How to compare to null? [duplicate]

... Mark Brackett 80.2k1717 gold badges101101 silver badges149149 bronze badges answered Nov 18 '10 at 20:31 cdhowiecdhowie ...
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Difference between setUp() and setUpBeforeClass()

... answered Aug 5 '10 at 8:54 Andrzej DoyleAndrzej Doyle 95.5k2929 gold badges181181 silver badges224224 bronze badges ...
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How do I create a dictionary with keys from a list and values defaulting to (say) zero? [duplicate]

... answered Oct 6 '10 at 4:30 Tim McNamaraTim McNamara 16.3k33 gold badges4545 silver badges7474 bronze badges ...
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Two statements next to curly brace in an equation

... Tombart 24.4k1212 gold badges104104 silver badges116116 bronze badges answered Oct 26 '10 at 19:58 LachezarLachezar ...
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jquery sortable placeholder height problem

For some reason the placeholder for my sortable items is about 10px. All my sortable items have different heights. How can I change the height of each placeholder to match the item being moved? ...
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Django. Override save for model

... Or put whole logic in here small = rescale_image(self.image,width=100,height=100) self.image_small=SimpleUploadedFile(name,small_pic) def get_image(self): return self._image image = property(get_image, set_image) # this is not needed if small_image is created ...
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Javadoc: package.html or package-info.java

... answered Sep 5 '10 at 2:09 trashgodtrashgod 194k2424 gold badges207207 silver badges885885 bronze badges ...
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Multidimensional Array [][] vs [,] [duplicate]

...le[][] can validly be: double[][] x = new double[5][]; x[0] = new double[10]; x[1] = new double[5]; x[2] = new double[3]; x[3] = new double[100]; x[4] = new double[1]; Because each entry in the array is a reference to an array of double. With a jagged array, you can do an assignment to an array ...
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Submitting the value of a disabled input field

... answered Oct 28 '10 at 17:46 SarfrazSarfraz 345k6868 gold badges500500 silver badges556556 bronze badges ...
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Why hasn't functional programming taken over yet?

... share edited May 14 '10 at 16:44 Sarah Vessels 26.8k2828 gold badges142142 silver badges216216 bronze badges ...