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Using an integer as a key in an associative array in JavaScript
... saying. However, note that you can not have integer keys. JavaScript will convert the integer to a string. The following outputs 20, not undefined:
var test = {}
test[2300] = 20;
console.log(test["2300"]);
share
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range over interface{} which stores a slice
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Well I used reflect.ValueOf and then if it is a slice you can call Len() and Index() on the value to get the len of the slice and element at an index. I don't think you will be able to use the range operate to do this.
package main
import "fmt"
import...
Performance optimization strategies of last resort [closed]
...tors of floats. Changing the code to carry around the extra empty slot and converting the calculation to floating point from fixed point allowed for a slightly less-accurate but much faster result.
– RBerteig
May 30 '09 at 2:19
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Swift days between two NSDates
I'm wondering if there is some new and awesome possibility to get the amount of days between two NSDates in Swift / the "new" Cocoa?
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
I cannot find find FragmentPagerAdapter within Android.App.
5 Answers
5
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Arguments or parameters? [duplicate]
I often find myself confused with how the terms 'arguments' and 'parameters' are used. They seem to be used interchangeably in the programming world.
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Check substring exists in a string in C
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... and false is 0
– Jack
Feb 13 '15 at 2:58
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How to avoid overflow in expr. A * B - C * D
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Both long long and double are 64 bits. Since double has to allocate some bits for the exponent, it has a smaller range of possible values without loss of precision.
– Jim Garrison
Nov 5 '12 at 19:03
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Get integer value of the current year in Java
...wer, Calendar would be a fine object to use. I was looking for a one-liner and I didn't think Calendar would have that for me. Proven wrong I am! Thanks!
– karlgrz
Sep 25 '08 at 22:03
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
...t will always return a number, and will never give you NaN. If it can't be converted to a number, you'll get 0.
– RightSaidFred
May 11 '11 at 23:27
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