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How do I make the return type of a method generic?
...this method generic so I can return a string, bool, int, or double? Right now, it's returning a string, but if it's able find "true" or "false" as the configuration value, I'd like to return a bool for example.
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unit testing of private functions with mocha and node.js
... or something else that can communicate to the module "you're being tested now". The instances where I've had to do this were in a RequireJS environment, and I've used module.config for this purpose.
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How does one generate a random number in Apple's Swift language?
...n one's own program? Or is there a library that does this that we can use now?
25 Answers
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How to add new item to hash
I'm new to Ruby and don't know how to add new item to already existing hash. For example, first I construct hash:
7 Answers...
What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
... most places where I add them. It's about consistency and legibility. You know, IMHO.
– nickf
Nov 7 '13 at 1:15
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git push says “everything up-to-date” even though I have local changes
...I am in a detached head state, merged my changes, committed my changes and now I want to push this to Master and can't - tells me "everything up to date". But I am following the instructions provided my Gitlab: Step 1: git fetch origin git checkout -b "nodeAPI" "origin/nodeAPI" Step 2. Review the ...
Formatting a number with exactly two decimals in JavaScript
... cases, it doesn't work.
For instance:
2.005.toFixed(2) === "2.00"
UPDATE:
Nowadays, you can use the Intl.NumberFormat constructor. It's part of the ECMAScript Internationalization API Specification (ECMA402). It has pretty good browser support, including even IE11, and it is fully supported in Node...
What is the purpose of the “final” keyword in C++11 for functions?
... of the language in a way that could cause any problem, so I don't really know how usefull that error might be. On the contrary, forgetting the virtual can cause errors, and C++11 added the override tag to a function that will detect that situation and fail to compile when a function that is meant t...
Open file via SSH and Sudo with Emacs
...ll uses the proxy mechanism underneath, tramp-default-proxies-alist should now include the value ("remotehost" "root" "/ssh:you@remotehost:")
Meaning that the proxy /ssh:you@remotehost: is going to be used whenever you request a file as root@remotehost.
root is the default user for these methods, bu...
Is there any way to enforce typing on NSArray, NSMutableArray, etc.?
...to allow compile-time static type checking (so the compiler could let you know if you try to add an object it knows is a different class through that method), but there's no real way to enforce that an array only contains objects of a given class.
In general, there doesn't seem to be a need for su...