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Does JavaScript guarantee object property order?

...imply put, the iteration order is a combination of the insertion order for strings keys, and ascending order for number-like keys: // key order: 1, foo, bar const obj = { "foo": "foo", "1": "1", "bar": "bar" } Using an array or a Map object can be a better way to achieve this. Map shares some simil...
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Ruby on Rails: how to render a string as HTML?

... What's happening is that, as a security measure, Rails is escaping your string for you because it might have malicious code embedded in it. But if you tell Rails that your string is html_safe, it'll pass it right through. @str = "<b>Hi</b>".html_safe <%= @str %> OR @str = "&...
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Why should I use var instead of a type? [duplicate]

... there is a green warning, I think hint is when I click for example on string and I can do some magic with it, but this is a warning. After click on it its called "Suggestion". – IAdapter Feb 1 '11 at 22:11 ...
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How to parse JSON to receive a Date object in JavaScript?

... suggested and not serialize a DateTime at all; just send an RFC 1123 date string ToString("r") or a seconds-from-Unix-epoch number, or something else that you can use in the JavaScript to construct a Date. share | ...
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Concatenate strings in Less

... answer but are trying to use it e.g. to combine a numeric variable with a string like px or %: You can un-quote the string by pre-pending it with a tilde ~, as such: width: ~"@{w}px"; – AsGoodAsItGets Nov 8 '17 at 9:49 ...
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Check if a folder exist in a directory and create them using C#

... This should help: using System.IO; ... string path = @"C:\MP_Upload"; if(!Directory.Exists(path)) { Directory.CreateDirectory(path); } share | improve this a...
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Get pandas.read_csv to read empty values as empty string instead of nan

...das library to read in some CSV data. In my data, certain columns contain strings. The string "nan" is a possible value, as is an empty string. I managed to get pandas to read "nan" as a string, but I can't figure out how to get it not to read an empty value as NaN. Here's sample data and outp...
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Remove whitespaces inside a string in javascript

... You can use Strings replace method with a regular expression. "Hello World ".replace(/ /g, ""); The replace() method returns a new string with some or all matches of a pattern replaced by a replacement. The pattern can be a string...
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How do I check that a number is float or integer?

... Careful, this will also return true for an empty string, a string representing an integral number, true, false, null, an empty array, an array containing a single integral number, an array containing a string representing an integral number, and maybe more. ...
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How do I convert a String to an InputStream in Java?

Given a string: 4 Answers 4 ...