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Get loop counter/index using for…of syntax in JavaScript
...tion (value, i) {
console.log('%d: %s', i, value);
});
// Outputs:
// 0: 123
// 1: 15
// 2: 187
// 3: 32
Or ES6’s Array.prototype.entries, which now has support across current browser versions:
for (const [i, value] of myArray.entries()) {
console.log('%d: %s', i, value);
}
For itera...
How do I get the first n characters of a string without checking the size or going out of bounds?
...
Here's a neat solution:
String upToNCharacters = s.substring(0, Math.min(s.length(), n));
Opinion: while this solution is "neat", I think it is actually less readable than a solution that uses if / else in the obvious way. If the reader hasn't seen this trick, he/she has to think ...
Create a unique number with javascript time
...econd, and three digit millisecond. So it would look something like this: 20111104103912732 ... this would give enough certainty of a unique number for my purposes.
...
What are the best practices for catching and re-throwing exceptions?
...$e) {
throw new Exception("Could not perform copy operation.", 0, $e);
}
}
}
This case is similar to the above (and the example probably not the best one could come up with), but it illustrates the point of providing more context: if an exception is thrown, it tells us that...
How to copy Java Collections list
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edited Dec 30 '13 at 16:22
pickypg
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a...
how to get the cookies from a php curl into a variable
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edited May 7 '15 at 13:50
answered May 21 '09 at 23:55
TM...
How do I pass the value (not the reference) of a JS variable to a function? [duplicate]
...the let or const keywords to create a block-scoped variable:
for (let i = 0; i < results.length; i++) {
let marker = results[i];
google.maps.event.addListener(marker, 'click', () => change_selection(i));
}
In older browsers, you need to create a separate scope that saves the variable ...
Count how many records are in a CSV Python?
...ters
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How to install latest version of git on CentOS 7.x/6.x
...git
Verify the version of Git that was installed:
git --version
As of 02 Mar. 2020, the latest available version from WANDisco is 2.22.0.
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