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Merge Images Side by Side(Horizontally)
I have five images of sizes: 600x30, 600x30, 600x30, 600x30, 810x30. Their names are: 0.png, 1.png, 2.png, 3.png, 4.png, respectively.
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Can I set variables to undefined or pass undefined as an argument?
I’m a bit confused about JavaScript’s undefined and null values.
10 Answers
10...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...soluteLayout overlay which contains Info Window (a regular view with every bit of interactivity and drawing capabilities). Then I start Handler which synchronizes the info window's position with position of point on the map every 16 ms. Sounds crazy, but actually works.
Demo video: https://www.yout...
Object reference not set to an instance of an object.Why doesn't .NET show which object is `null`?
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
List Git aliases
...r eyes to find the [alias] section. But git fans always seem to throw in a bit of bash scripting or regular expression matching to solve their problems, even when it's not necessary :)
– MatrixFrog
Aug 15 '11 at 16:35
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Convert JavaScript string in dot notation into an object reference
..., and should consider an alternative.
Here's an elegant one-liner that's 10x shorter than the other solutions:
function index(obj,i) {return obj[i]}
'a.b.etc'.split('.').reduce(index, obj)
[edit] Or in ECMAScript 6:
'a.b.etc'.split('.').reduce((o,i)=>o[i], obj)
(Not that I think eval alwa...
Associative arrays in Shell scripts
...ent associative arrays in BASH 3 then you may need to retrace your steps a bit.
– Bubnoff
Dec 26 '18 at 19:48
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What is the use case of noop [:] in bash?
... conditionally) does nothing.
– Lightness Races in Orbit
Oct 23 '17 at 14:26
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Replacing NAs with latest non-NA value
...he train, so I wrote one myself.
I was proud to find out that it's a tiny bit faster.
It's less flexible though.
But it plays nice with ave, which is what I needed.
repeat.before = function(x) { # repeats the last non NA value. Keeps leading NA
ind = which(!is.na(x)) # get positions of...