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Why return NotImplemented instead of raising NotImplementedError
... binary special methods (e.g. __eq__(),
__lt__(), __add__(), __rsub__(), etc.) to indicate that the operation is not implemented with respect to the other type
exception NotImplementedError
[...] In user defined base
classes, abstract methods should raise this exception when they
require...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...orge.net) which allowed you to compile C into Lua, Javascript, Perl, LISP, etc. It ruthlessly exploited the undefined behaviour in the C standard to make pointers work. It may be interesting to try this test on it.
– David Given
Aug 11 '10 at 12:29
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Objective-C Static Class Level variables
I have a class Film, each of which stores a unique ID. In C#, Java etc I can define a static int currentID and each time i set the ID i can increase the currentID and the change occurs at the class level not object level. Can this be done in Objective-C? I've found it very hard to find an answer for...
The preferred way of creating a new element with jQuery
...is preferred.
Then you can use either appendTo, append, before, after and etc,. to insert the new element to the DOM.
PS: jQuery Version 1.11.x
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
...dicts iterate over keys, not over kv-pairs. cf list({..}), for k in {...} etc
– georg
Apr 1 '17 at 22:05
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browser sessionStorage. share between tabs?
...nData('data', 'key'); or storageManager.savePermanentData('data', 'key');, etc based on what you need. The full code is here: ebenmonney.com/blog/…
– adentum
Dec 14 '16 at 11:18
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Upgrade python in a virtualenv
...r anyone who has customized their virtualenvs postactivate, predeactivate, etc, this is not a desirable option because all that is lost and has to be manually readded.
– dpwrussell
Apr 18 '16 at 17:26
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Access-control-allow-origin with multiple domains
...ains fairly easy and support multiple Top-Level domains (e.g com, org, net etc.).
– Merlin
Nov 11 '15 at 6:35
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SQL select join: is it possible to prefix all columns as 'prefix.*'?
...ee http://www.sqlite.org/pragma.html
Otherwise all I can recommend is to fetch columns in a result set by ordinal position rather than by column name, if it's too much trouble for you to type the names of the columns in your query.
This is a good example of why it's bad practice to use SELECT * --...
How do I do an OR filter in a Django query?
...me = 'doe'
This way there is no need to deal with or operators, reduce's etc.
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