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subtle differences between JavaScript and Lua [closed]
...ua, you can manipulate environments with getfenv and setfenv in Lua 5.1 or _ENV in Lua 5.2 and 5.3.
In JS, all functions are variadic. In Lua, functions must be explicitly declared as variadic.
Foreach in JS loops over object properties. Foreach in Lua (which use the keyword for) loops over iterator...
How to play audio?
...If you don't want to mess with HTML elements:
var audio = new Audio('audio_file.mp3');
audio.play();
function play() {
var audio = new Audio('https://interactive-examples.mdn.mozilla.net/media/examples/t-rex-roar.mp3');
audio.play();
}
<button onclick="play()">Play Audio</but...
Get User's Current Location / Coordinates
...hod you can get user's current location coordinates:
func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
guard let locValue: CLLocationCoordinate2D = manager.location?.coordinate else { return }
print("locations = \(locValue.latitude) \(locValue....
After submitting a POST form open a new window showing the result
...
Add
<form target="_blank" ...></form>
or
form.setAttribute("target", "_blank");
to your form's definition.
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A transport-level error has occurred when receiving results from the server [closed]
... This one is the actual answer.
– TheHuge_
Nov 14 '16 at 16:55
2
In my particular cas...
Clear icon inside input text
...r $inp = $(this).find("input:text"),
$cle = $(this).find(".clearable__clear");
$inp.on("input", function(){
$cle.toggle(!!this.value);
});
$cle.on("touchstart click", function(e) {
e.preventDefault();
$inp.val("").trigger("input");
});
});
/* Clearable t...
How does the C# compiler detect COM types?
...
[CoClass(typeof(SpVoiceClass))]
public interface SpVoice : ISpeechVoice, _ISpeechVoiceEvents_Event { }
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What is the difference between partitioning and bucketing a table in Hive ?
...example, suppose a table using date as the top-level partition and employee_id as the second-level partition leads to too many small partitions. Instead, if we bucket the employee table and use employee_id as the bucketing column, the value of this column will be hashed by a user-defined number into...
How to return result of a SELECT inside a function in PostgreSQL?
...
Use RETURN QUERY:
CREATE OR REPLACE FUNCTION word_frequency(_max_tokens int)
RETURNS TABLE (txt text -- also visible as OUT parameter inside function
, cnt bigint
, ratio bigint) AS
$func$
BEGIN
RETURN QUERY
SELECT t.txt
,...
How to get the directory of the currently running file?
In nodejs I use __dirname . What is the equivalent of this in Golang?
10 Answers
10
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