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Remove empty elements from an array in Javascript
...e(/(\r\n|\n|\r)/gm,"")});
Example:
arr = ["hello",0,"",null,undefined,1,100," "]
arr.filter(function(e){return e});
Return:
["hello", 1, 100, " "]
UPDATE (based on Alnitak's comment)
In some situations you may want to keep "0" in the array and remove anything else (null, undefined and "")...
How do I parse a string with a decimal point to a double?
...
this code doesn't work for a number like 100.35 if the system culture uses a comma as the separator. you'd expect it to return a number of about 100, but it returns 10035.
– Lennart
Aug 6 at 11:31
...
AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
...ets or replace buckets, it is not healthy.
Note that you have a limit of 100 buckets for an account (see here). EDIT: Now this limit is a "soft limit" and you can increase it if needed.
Also note that a creation of a bucket takes time and:
...it is not appropriate to make bucket create or de...
trying to animate a constraint in swift
...
SWIFT 4.x :
self.mConstraint.constant = 100.0
UIView.animate(withDuration: 0.3) {
self.view.layoutIfNeeded()
}
Example with completion:
self.mConstraint.constant = 100
UIView.animate(withDuration: 0.3, animations: {
self.view.layoutIfNeeded()
...
Why start an ArrayList with an initial capacity?
... of wasted space changed over time, being 0% some of the time and close to 100% some of the time. Changing the factor from 2 to 1.5 or 4 or 100 or whatever changes the average amount of wasted space and the average amount of time spent copying, but the time complexity remains linear on average no ma...
How do I replace a character at a particular index in JavaScript?
...
100
There is no replaceAt function in JavaScript. You can use the following code to replace any ch...
How to pick an image from gallery (SD Card) for my app?
...
private static final int SELECT_PHOTO = 100;
Start intent
Intent photoPickerIntent = new Intent(Intent.ACTION_PICK);
photoPickerIntent.setType("image/*");
startActivityForResult(photoPickerIntent, SELECT_PHOTO);
Process result
@Override
protected void onA...
How to read the output from git diff?
...me from builtin-http-fetch.c
rename to http-fetch.c
index f3e63d7..e8f44ba 100644
--- a/builtin-http-fetch.c
+++ b/http-fetch.c
@@ -1,8 +1,9 @@
#include "cache.h"
#include "walker.h"
-int cmd_http_fetch(int argc, const char **argv, const char *prefix)
+int main(int argc, const char **argv)
{
+ ...
Should you always favor xrange() over range()?
...ge() if you actually want a list of numbers.
multiples_of_seven = range(7,100,7)
print "Multiples of seven < 100: ", multiples_of_seven
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fol...
How do I use vim registers?
... this macro on the current line. Furthermore, we can type @@ to repeat, or 100@m to do this 100 times! Life's looking pretty good.
At this point you should be saying, "But what does this have to do with registers?"
Excellent point. Let's investigate what is in the contents of the m register by typin...