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Why use Dijkstra's Algorithm if Breadth First Search (BFS) can do the same thing faster?
Both can be used to find the shortest path from single source. BFS runs in O(E+V) , while Dijkstra's runs in O((V+E)*log(V)) .
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Javascript library for human-friendly relative date formatting [closed]
... etc.
Timeago (relative time) for dates in the past is done with moment().fromNow(). For example, to display January 1, 2019 in the timeago format:
let date = moment("2019-01-01", "YYYY-MM-DD");
console.log(date.fromNow());
<script src="https://momentjs.com/downloads/moment.min.js"><...
Equivalent VB keyword for 'break'
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In both Visual Basic 6.0 and VB.NET you would use:
Exit For to break from For loop
Wend to break from While loop
Exit Do to break from Do loop
depending on the loop type. See Exit Statements for more details.
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How to hide a View programmatically?
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You can call view.setVisibility(View.GONE) if you want to remove it from the layout.
Or view.setVisibility(View.INVISIBLE) if you just want to hide it.
From Android Docs:
INVISIBLE
This view is invisible, but it still takes up space for layout purposes. Use with setVisibility(int) ...
Why does ContentResolver.requestSync not trigger a sync?
...de 26. My content provider is working, and my sync works when I trigger it from the Dev Tools Sync Tester application, however when I call ContentResolver.requestSync(account, authority, bundle) from my ContentProvider, my sync is never triggered.
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How to launch Safari and open URL from iOS app
On the settings page, I want to include three links to
15 Answers
15
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How to sum array of numbers in Ruby?
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How can I use this way to sum a attribute from object. My array [product1, product2] I want to sum product1.price + product2.price. Is it possible using array.inject(:+)?
– Pablo Cantero
Apr 27 '11 at 20:45
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What is a lambda expression in C++11?
...and {} the function body.
The capture list
The capture list defines what from the outside of the lambda should be available inside the function body and how.
It can be either:
a value: [x]
a reference [&x]
any variable currently in scope by reference [&]
same as 3, but by value [=]
You...
How to write iOS app purely in C
...we are hard-coding the screen's bounds,
// because returning a struct from a `objc_msgSend()` (via
// [[UIScreen mainScreen] bounds]) requires a different function call
// and is finicky at best.
id view = objc_msgSend(objc_msgSend(objc_getClass("View"), sel_getUid("alloc")), sel_g...
Stacking Divs from Bottom to Top
...ppending div s to a div with a fixed height, the child divs will appear from top to bottom, sticking at the top border.
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