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What does the function then() mean in JavaScript?
...call takes a callback function that is executed when the server
responds.
Now of course the more levels of nesting we have, the harder the code is to read, debug,
maintain, upgrade, and basically work with. This is generally known as callback hell.
Also, if we needed to handle errors, we need to po...
What is causing this ActiveRecord::ReadOnlyRecord error?
... answered. I actually discovered I could remove a join from that query, so now the working query is
6 Answers
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Recommendations of Python REST (web services) framework? [closed]
...on-based views and CherryPy's default dispatcher, although both frameworks now provide a way around this problem (class-based views and MethodDispatcher, respectively).
HTTP-verbs are very important in REST, and unless you're very careful about this, you'll end up falling into a REST anti-pattern.
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What is an existential type?
...X they're saying: You can plug in whatever type you want, I don't need to know anything about the type to do my job, I'll only refer to it opaquely as X.
When someone defines an existential type ∃X they're saying: I'll use whatever type I want here; you wont know anything about the type, so you c...
Editing screenshots in iTunes Connect after iOS app was approved
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Apple support now got back with the (somehow not too satisfactory) answer:
If your app is currently for sale on
the App Store, you will need to submit
an update in order to change your app
screenshots.
If you have any furthe...
Cherry pick using TortoiseGit
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I know this is a good answer, but I have no cherry pick option on right click, no matter what branch I select
– PandaWood
Dec 12 '13 at 4:59
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What does the Reflect object do in JavaScript?
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UPDATE 2015:
As pointed out by 7th's answer, now that ES6 (ECMAScript 2015) has been finalized, more appropriate documentation is now available:
ES6 spec, Reflection
MDN Reflect (including details and examples to all of its methods)
Original answer (for (historic) ...
E731 do not assign a lambda expression, use a def
...or the representation, I have faced couple of different versions of this.
Now, to keep things DRY, I start to reuse this common lambda.
f = lambda x : x + offset
a = map(f, simple_list)
b = map(f, another_simple_list)
At this point my code quality checker complains about lambda being a named fu...
Move existing, uncommitted work to a new branch in Git
... you have been making commits on your main branch while you coded, but you now want to move those commits to a different branch, this is a quick way:
Copy your current history onto a new branch, bringing along any uncommitted changes too:
git checkout -b <new-feature-branch>
Now force the ...
Visual Studio: How to show Overloads in IntelliSense?
Once code has been written, the only way I know of to view the overloads for a method is to actually edit the method by deleting the Parenthesis () and reopening them.
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