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Fastest way to get the first object from a queryset in django?
... @Ben: QuerySet.__nonzero__() is never called since the QuerySet is converted to a list before checking for trueness. Other exceptions may still occur however.
– Ignacio Vazquez-Abrams
Feb 26 '11 at 0:07
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Draw a perfect circle from user's touch
...e, lines, etc, whatever came to his mind).
Then he started to draw circles and then he asked me to make it "good circle" (from my understanding: make the drawn circle perfectly round, as we know
no matter how stable we try to draw something with our finger on the screen, a circle is never really as...
scipy.misc module has no attribute imread?
...mageio.core.util.Array. If you want/need a numpy.ndarray and don't want to convert it, use matplotlib.pyplot.imread, as it also returns a numpy.ndarray.
– Stefan
Jan 20 '19 at 14:55
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Default constructor vs. inline field initialization
What's the difference between a default constructor and just initializing an object's fields directly?
5 Answers
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How to get NSDate day, month and year in integer format?
I want to get the day, month and year components of NSDate in integer form i.e. if the date is 1/2/1988 then I should get 1, 2 and 1988 separately as an integer. How can I do this in iOS? I found the similar question but the method descriptionWithCalendarFormat : gives a warning and seems to be d...
How set maximum date in datepicker dialog in android?
... setting the setMaxDate of datePicker the setMaxDate is always highlighted and selected, here is the image
– hasnain_ahmad
Jun 15 '17 at 4:41
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Declare slice or make slice?
In Go, what is the difference between var s []int and s := make([]int, 0) ?
4 Answers
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Best way to represent a fraction in Java?
...too long ago, for Project Euler problems. It keeps a BigInteger numerator and denominator, so it'll never overflow. But it'll be a tad slow for a lot of operations that you know will never overflow.. anyway, use it if you want it. I've been dying to show this off somehow. :)
Edit: Latest and gre...
Height of status bar in Android [duplicate]
What's the height of the status bar in Android? Is it always the same?
23 Answers
23
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How do I add 1 day to an NSDate?
... Yes works well for daylight savings. Tip for DST check: Reset date and time on your mac and then restart your simulator, it will then follow your system time.
– Rob van den Berg
Apr 1 '13 at 5:00
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