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What does 'var that = this;' mean in JavaScript?
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I'm going to begin this answer with an illustration:
var colours = ['red', 'green', 'blue'];
document.getElementById('element').addEventListener('click', function() {
// this is a reference to the element clicked on
var that = this;
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C: What is the difference between ++i and i++?
In C, what is the difference between using ++i and i++ , and which should be used in the incrementation block of a for loop?
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Is there a max array length limit in C++?
Is there a max length for an array in C++?
12 Answers
12
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Test if element is present using Selenium WebDriver?
Is there a way how to test if an element is present? Any findElement method would end in an exception, but that is not what I want, because it can be that an element is not present and that is okay, that is not a fail of the test, so an exception can not be the solution.
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What do all of Scala's symbolic operators mean?
...inds of names are difficult to find using search engines, a comprehensive list of them would be helpful.
9 Answers
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data.table vs dplyr: can one do something well the other can't or does poorly?
...ed to cover at least these aspects to provide a comprehensive answer/comparison (in no particular order of importance): Speed, Memory usage, Syntax and Features.
My intent is to cover each one of these as clearly as possible from data.table perspective.
Note: unless explicitly mentioned otherwi...
Difference between OData and REST web services
What is the difference between OData and REST-ful web services?
8 Answers
8
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What is the “right” JSON date format?
...It sorts correctly
It includes fractional seconds, which can help re-establish chronology
It conforms to ISO 8601
ISO 8601 has been well-established internationally for more than a decade
ISO 8601 is endorsed by W3C, RFC3339, and XKCD
That being said, every date library ever written can understand...
Where is Java's Array indexOf?
I must be missing something very obvious, but I've searched all over and can't find this method.
13 Answers
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How to check if a string in Python is in ASCII?
I want to I check whether a string is in ASCII or not.
16 Answers
16
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