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How to convert a char array back to a string?
...
String str = "wwwwww3333dfevvv";
char[] c = str.toCharArray();
Now to convert character array into String , there are two ways.
Arrays.toString(c);
Returns the string [w, w, w, w, w, w, 3, 3, 3, 3, d, f, e, v, v, v].
And:
String.val...
Assigning default value while creating migration file
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
When should I use the HashSet type?
...alue is meaningless since I'm just going to use ContainsKey. Note: Before .NET 3.0 this was the only choice for O(1) lookups - HashSet<T> was added for 3.0 and extended to implement ISet<T> for 4.0.
List<string>: If I keep the list sorted, I can use BinarySearch, which is O(log n) ...
Generating random whole numbers in JavaScript in a specific range?
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There are some examples on the Mozilla Developer Network page:
/**
* Returns a random number between min (inclusive) and max (exclusive)
*/
function getRandomArbitrary(min, max) {
return Math.random() * (max - min) + min;
}
/**
* Returns a random integer between mi...
Resize svg when window is resized in d3.js
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d3.select(window).on('resize.updatesvg', updateWindow);
http://jsfiddle.net/Zb85u/1/
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How to take screenshot of a div with JavaScript?
...0.4.1/…> <!-- filesaver --> <script src="cdn.jsdelivr.net/npm/file-saver@2.0.2/dist/…>
– OG Sean
Feb 6 at 20:16
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How to search by key=>value in a multidimensional array in PHP
...onditions
});
echo "<pre>";
print_r($arr);
?>
Ref: http://php.net/manual/en/function.array-filter.php
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Flask vs webapp2 for Google App Engine
...here is a tutorial specific to the Flask / App Engine combination:
http://www.franciscosouza.com/2010/08/flying-with-flask-on-google-app-engine/
Also, see App Engine - Difficulty Accessing Twitter Data - Flask, Flask message flashing fails across redirects, and How do I manage third-party Python l...
mysql error 1364 Field doesn't have a default values
...ing that setting and restarting MySQL should fix the problem.
See https://www.farbeyondcode.com/Solution-for-MariaDB-Field--xxx--doesn-t-have-a-default-value-5-2720.html
If editing that file doesn't fix the issue, see http://dev.mysql.com/doc/refman/5.6/en/option-files.html for other possible loca...
JavaScript: location.href to open in new window/tab?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...