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How to find the sum of an array of numbers
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Non-number inputs
If non-numbers are possible inputs, you may want to handle that?
console.log(
["hi", 1, 2, "frog"].reduce((a, b) => a + b)
)
let numOr0 = n => isNaN(n) ? 0 : n
console.log(
["hi", 1, 2, "frog"].reduce((a, b) =>
numOr0(a) + numOr0(b))
)
No...
Changing Vim indentation behavior by file type
...auses vim to use tabs with a width of 2 characters for indenting (the noexpandtab option is set globally elsewhere in my configuration).
This is described here: http://vimdoc.sourceforge.net/htmldoc/usr_05.html#05.4, scroll down to the section on filetype plugins.
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Get the current URL with JavaScript?
...age loading I need to be able to grab the full, current URL of the website and set it as a variable to do with as I please.
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Gitignore not working
My .gitignore file isn't working for some reason, and no amount of Googling has been able to fix it. Here is what I have:
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What's the right OAuth 2.0 flow for a mobile app
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Clarification: Mobile App = Native App
As stated in other comments and a few sources online, implicit seems like a natural fit for mobile apps, however the best solution is not always clear cut (and in fact implicit is not recommended for reasons discussed below).
Native App OAuth2 Best Prac...
How to wait until an element exists?
I'm working on an Extension in Chrome, and I'm wondering: what's the best way to find out when an element comes into existence? Using plain javascript, with an interval that checks until an element exists, or does jQuery have some easy way to do this?
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How to programmatically determine the current checked out Git branch [duplicate]
...king the current branch programatically, from June 10, 2013 explains whys (and hows) in more detail.
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How to convert an NSTimeInterval (seconds) into minutes
.... Look at StratFan's answer which is closer to the truth. But remove floor and round and you should be home free.
– InvulgoSoft
Jul 17 '12 at 10:31
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How do you usually Tag log entries? (android)
I assume most of you are aware of android.util.Log
All logging methods accept 'String tag' as a first argument.
13 Answers
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“Comparison method violates its general contract!”
...de throw an exception, "Comparison method violates its general contract!", and how do I fix it?
11 Answers
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