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sqlalchemy: how to join several tables by one query?
...ed Apr 8 at 9:57
Ryabchenko Alexander
3,22711 gold badge1919 silver badges4545 bronze badges
answered May 18 '11 at 13:04
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Track a new remote branch created on GitHub
... Now, a collaborator of mine has created a new branch in the same project, and I want to do the following accordingly:
4 An...
How to calculate time in hours between two dates in iOS
...nds-into-minutes
--edit: See ÐąrέÐέvil's answer below for correctly handling daylight savings/leap seconds
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Running PostgreSQL in memory only
...y for this particular question: It's a bad idea to mix with valuable data (and thanks for the warning). For unit-testing with a dedicated DB cluster, a ramdisk is fine.
– Erwin Brandstetter
Jul 12 '15 at 0:32
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Simple basic explanation of a Distributed Hash Table (DHT)
...e now independent nodes in a network.
This gives a lot of fault-tolerance and reliability, and possibly some performance benefit, but it also throws up a lot of headaches. For example, what happens when a node leaves the network, by failing or otherwise? And how do you redistribute keys when a node...
Why is “Set as Startup” option stored in the suo file and not the sln file?
...ting should be stored in the solution file so it's shared across all users and part of source code control. Since we don't check in the suo file, each user has to set this separately which seems strange.
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How to make rounded percentages add up to 100%
... There is aproblem with this function when the last element is 0 and previous ones add to 100. E.g. [52.6813880126183, 5.941114616193481, 24.55310199789695, 8.780231335436383, 8.04416403785489, 0]. The last one logically returns -1. I thought of the following solution really quickly but th...
How can I save an image with PIL?
...(PIL) using a post I found earlier to perform fourier transforms of images and I can't get the save function to work. The whole code works fine but it just wont save the resulting image:
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How do I install Python OpenCV through Conda?
...to import cv2.cv (am I missing something obvious?)
– Andy Hayden
Aug 13 '15 at 5:03
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This works ...
Java `final` method: what does it promise?
...al developer to create functionality that cannot be changed by subclasses, and that is all the guarantee it provides.
This means that if the method relies on other customizable components like non-public fields/methods the functionality of the final method may still be customizable. This is good th...