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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
...eason is because when you explicitly do "0" == false, both sides are being converted to numbers, and then the comparison is performed.
When you do: if ("0") console.log("ha"), the string value is being tested. Any non-empty string is true, while an empty string is false.
Equal (==)
If the ...
Why does parseInt(1/0, 19) return 18?
...roducing the string "Infinity". So it works the same as if you asked it to convert "Infinity" in base 19 to decimal.
Here are the digits in base 19 along with their decimal values:
Base 19 Base 10 (decimal)
---------------------------
0 0
1 1
2 2
3 ...
How to try convert a string to a Guid [duplicate]
... find the TryParse method for the Guid. I’m wondering how others handle converting a guid in string format into a guid type.
...
How to convert a List into a comma separated string without iterating List explicitly [dupli
...
If you want to convert list into the CSV format .........
List<String> ids = new ArrayList<String>();
ids.add("1");
ids.add("2");
ids.add("3");
ids.add("4");
// CSV format
String csv = ids.toString().replace("[", "").replace(...
Converting a string to a date in JavaScript
How can I convert a string to a date in JavaScript?
33 Answers
33
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How to convert boost path type to string?
...
I believe you need to do a little more than just convert the path to a string - you should first obtain the canonical version of the path - an absolute path with no symbolic-link elements - and convert that into a string:
boost::filesystem::canonical(myPath).string();
P....
JPA : How to convert a native query result set to POJO class collection
... first two methods would call many in-the-middle handlers, like customized converters. For example, AntiStealing defines a secretKey, before it is persisted, a converter is inserted to encrypt it. This would result in the first 2 methods returning a converted back secretKey which is not what I want....
How can I round a number in JavaScript? .toFixed() returns a string?
...
at least javascript could save me some finger-work and convert it back to a number... sheesh...
– Derek Adair
Feb 17 '10 at 19:20
11
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Fastest way to convert JavaScript NodeList to Array?
...y Are a-Changin'
@kangax (IE 9 preview)
Array.prototype.slice can now convert
certain host objects (e.g. NodeList’s)
to arrays — something that majority of
modern browsers have been able to do
for quite a while.
Example:
Array.prototype.slice.call(document.childNodes);
...
Converting JavaScript object with numeric keys into array
...n(el) { return el });
FIDDLE
and almost as easy without jQuery as well, converting the keys to an array and then mapping back the values with Array.map
var arr = Object.keys(obj).map(function(k) { return obj[k] });
FIDDLE
That's assuming it's already parsed as a javascript object, and isn't a...