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Merge/flatten an array of arrays
... native method called flat to do this exactly.
(As of late 2019, flat is now published in the ECMA 2019 standard, and core-js@3 (babel's library) includes it in their polyfill library)
const arr1 = [1, 2, [3, 4]];
arr1.flat();
// [1, 2, 3, 4]
const arr2 = [1, 2, [3, 4, [5, 6]]];
arr2.flat();
/...
Regexp Java for password validation
...?=\S*?[0-9])(?=\S*?[a-z])(?=\S*?[A-Z])(?=\S*?[@#$%^&+=])\S{8,}\z
But now for the really important issue: none of the answers mentions the fact that the original question seems to be written by somebody who thinks in ASCII. But in Java strings are Unicode. Are non-ASCII characters allowed in ...
Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
...tores the execution path in the executable pip.exe when it is installed." Now THAT is stupid -.- Did cost me half an hour to figure that out.
– plocks
Apr 13 '15 at 13:11
...
https URL with token parameter : how secure is it?
...k, site discovers the cookie and can present the user with the old data.
Now, the user wants to use a different browser on a different machine. In this case, offer a "transfer" button. When the user clicks on this button, she will get a "token". She can use this token on another computer to reset ...
Can I use git diff on untracked files?
...ob to the index at that location. The upshot is that your "untracked" file now becomes a modification to add all the content to this zero-length file, and that shows up in the "git diff" output.
git diff
echo "this is a new file" > new.txt
git diff
git add -N new.txt
git diff
diff --git a/new....
How to insert element into arrays at specific position?
...n $array; // you can return $temp instead if you don't use class array
}
Now you can test the code using
//1
$result = insert(array(1,2,3,4,5),0, 0);
echo "<pre>";
echo "<br/>";
print_r($result);
echo "</pre>";
//2
$result = insert(array(1,2,3,4,5),2, "a");
echo "<pre>";
...
How to set environment variables from within package.json
...Finally the reason it worked after you exported, is because ur variable is now available (exported) in the session, your NODE_ENV without export wasnt doing anything.
– Tarek
Feb 22 '17 at 1:32
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Why isn't the size of an array parameter the same as within main?
...escue:
#define N_ELEMENTS(array) (sizeof(array)/sizeof((array)[0]))
So now you can do e.g:
int a[10];
...
myfunction(a, N_ELEMENTS(a));
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What is WebKit and how is it related to CSS?
...onger uses Presto since Feb 2013, consider Opera = Chrome, therefore Blink nowadays)
Safari → WebKit
Chrome → Blink (a fork of Webkit).
See Comparison of web browser engines for a list of comparisons in different areas.
The ultimate question... is WebKit supported by IE?
Not natively.
...
Security of REST authentication schemes
...ain how HTTP Basic authentication over Https can help to determine server knows whom its talking to?
– Spring
Dec 26 '12 at 15:24
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