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What is memoization and how can I use it in Python?

... return k * factorial(k - 1) factorial = Memoize(factorial) A feature known as "decorators" was added in Python 2.4 which allow you to now simply write the following to accomplish the same thing: @Memoize def factorial(k): if k < 2: return 1 return k * factorial(k - 1) The Python D...
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How can I check if the current date/time is past a set date/time?

...r, if you are using UTC dates (as you should), prefer to use new DateTime("now", new DateTimeZone('UTC')). This will prevent your app from misunderstandable bugs in dates. i advise you to store it in a function static variable, a class static or somewhere else in your running process... ...
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How to expand folded package chain in Intellij IDEA?

...or disabling this feature for a certain package, but I can't find it where now. So, does anyone know how to control this feature? Thank you very much. ...
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Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?

...nough to throw out an answer. Maybe will have to edit it, but I believe I know what your problem is. Your toy repo test case has a merge in it - worse, it has a merge with conflicts. And you're rebasing across the merge. Without -p (which doesn't totally work with -i), the merges are ignored. This ...
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Understanding Node.js modules: multiple requires return the same object?

... is this last caveat still true now that npm would install A,B, and APP in a flat directory structure? If not, how can a module be set up to cache its results between multiple other modules? – Michael Aug 7 '17 at 22:...
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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?

..._id) REFERENCES country (id) ON DELETE NO ACTION ON UPDATE NO ACTION Now simply issue an: alter table region drop foreign key region_ibfk_1; And finally an: alter table region drop column country_id; And you are good to go! ...
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Can I checkout github wikis like a git repository?

... You can now! git clone https://github.com/user/project.wiki.git or if you use ssh git clone git@github.com:username/project.wiki.git share | ...
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C# if/then directives for debug vs release

... Thank you! I don't yet even know what "#defines" are so this is a great solution! – Tim Feb 8 '12 at 10:29 ...
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How to configure PostgreSQL to accept all incoming connections

...nally (for some unimportant testbed, maybe). i see what you're getting at now. – Dan LaRocque Jul 19 '10 at 19:00 ...
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How can I add a boolean value to a NSDictionary?

... It is worth pointing out, that there is now a literal syntax for NSNumbers. @YES is the same as [NSNumber numberWithBool:YES] – jcampbell1 Jan 4 '13 at 4:06 ...