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How to get the difference between two arrays in JavaScript?
... Just to be clear, this implements the symmetric difference of a1 and a2, unlike the other answers posted here.
– 200_success
Dec 13 '13 at 1:19
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How to get JSON from URL in JavaScript?
... callback(status, xhr.response);
}
};
xhr.send();
};
And use it like this:
getJSON('http://query.yahooapis.com/v1/public/yql?q=select%20%2a%20from%20yahoo.finance.quotes%20WHERE%20symbol%3D%27WRC%27&format=json&diagnostics=true&env=store://datatables.org/alltablesw...
Can you use hash navigation without affecting history?
...he hash value of a URL without leaving an entry in the browser's history and without reloading ? Or do the equivalent?
4...
How do I exchange keys with values in a dictionary?
I receive a dictionary as input, and would like to to return a dictionary whose keys will be the input's values and whose value will be the corresponding input keys. Values are unique.
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JavaScript: How do I print a message to the error console?
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Install Firebug and then you can use console.log(...) and console.debug(...), etc. (see the documentation for more).
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Deleting elements from std::set while iterating
I need to go through a set and remove elements that meet a predefined criteria.
8 Answers
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Get attribute name value of
...
Give your input an ID and use the attr method:
var name = $("#id").attr("name");
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How can I add timestamp to logs using Node.js library Winston?
...k in this default case, I needed to either:
Remove the console transport and add again with the timestamp option.
Create your own Logger object with the timestamp option set to true.
The first:
var winston = require('winston');
winston.remove(winston.transports.Console);
winston.add(winston.tra...
Mercurial: Can I rename a branch?
...taging" seems to be a far better semantic fit. What's a good strategy for handling this?
5 Answers
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Picking a random element from a set
How do I pick a random element from a set?
I'm particularly interested in picking a random element from a
HashSet or a LinkedHashSet, in Java.
Solutions for other languages are also welcome.
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