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How can I check if a background image is loaded?
...kgroundImage = `url(${imageUrl})`;
preloaderImg = null;
});
A bit longer with nice opacity transition:
const imageUrl = "https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png";
let bgElement = document.querySelector(".bg-lazy");
bgElement.classList.a...
How do I make a WinForms app go Full Screen
I have a WinForms app that I am trying to make full screen (somewhat like what VS does in full screen mode).
9 Answers
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How to do date/time comparison
...ng in the comments would be a better fit that answering with random useful bits.
– matthias krull
Jun 15 '15 at 10:25
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Flatten an Array of Arrays in Swift
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Swift 4.x/5.x
Just to add a bit more complexity in the array, if there is an array that contains array of arrays, then flatMap will actually fail.
Suppose the array is
var array:[Any] = [1,2,[[3,4],[5,6,[7]]],8]
What flatMap or compactMap returns i...
How to get a vertical geom_vline to an x-axis of class date?
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on my machine (Win10 with R 3.2.2 and ggplot 1.0.1), I have to coerce the date to POSIXct to get it to align properly: as.POSIXct(as.Date(c("2016-12-01","2017-02-01")))
– Jthorpe
Jul 28 '17 at 17:36
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How do I calculate percentiles with python/numpy?
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answered Mar 3 '10 at 20:24
Jon WJon W
13.8k66 gold badges3434 silver badges4545 bronze badges
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How can I get a user's media from Instagram without authenticating as a user?
...nless Instagram change it). id of user - is id of user (edited my answer a bit)
– Footniko
Nov 14 '17 at 12:37
1
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Sort Go map values by keys
...port/allow 'interface{}' as the value (or
/* key) of a map such that any arbitrary type can be substituted at
/* run time, so several of these nearly-identical functions might be
/* needed for different key/value type combinations. */
func sortedMap<K><T>(m map[<K>]<V>, f fun...
MongoDB: Combine data from multiple collections into one..how?
...pies_sold field with the total copies sold, you will have to work a little bit more, probably using an intermediary collection that will, then, be $out to the final collection.
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Computed / calculated / virtual / derived columns in PostgreSQL
...l.col) that looks and works much like a virtual generated column. That's a bit of a syntax oddity which exists in Postgres for historic reasons and happens to fit the case. This related answer has code examples:
Store common query as column?
The expression (looking like a column) is not included...