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Difference between res.send and res.json in Express.js

... https://github.com/visionmedia/express/blob/ee228f7aea6448cf85cc052697f8d831dce785d5/lib/response.js#L174 res.json eventually calls res.send, but before that it: respects the json spaces and json replacer app settings ensures the response will have utf8 charset and application/json con...
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How can I declare optional function parameters in Javascript? [duplicate]

... With ES6: This is now part of the language: function myFunc(a, b = 0) { // function body } Please keep in mind that ES6 checks the values against undefined and not against truthy-ness (so only real undefined values get the default value - falsy values like null will not default). Wit...
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Read data from SqlDataReader

I have a SQL Server 2008 database and I am working on it in the backend. I am working on asp.net/C# 13 Answers ...
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The type or namespace name 'Objects' does not exist in the namespace 'System.Data'

... 208 You need to add a reference to the .NET assembly System.Data.Entity.dll. ...
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Select all child elements recursively in CSS

... | edited Apr 20 at 18:21 johannchopin 4,84855 gold badges1818 silver badges4040 bronze badges ...
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How to convert a clojure keyword into a string?

... answered Sep 15 '10 at 15:49 kotarakkotarak 16.3k22 gold badges4444 silver badges3838 bronze badges ...
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What is the mouse down selector in CSS?

...e all the possible pseudo states a link can have in CSS: a:link {color:#FF0000;} /* unvisited link, same as regular 'a' */ a:hover {color:#FF00FF;} /* mouse over link */ a:focus {color:#0000FF;} /* link has focus */ a:active {color:#0000FF;} /* selected link */ a:visited {color:#00FF00;} /*...
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Object initialization syntax

... answered Dec 16 '08 at 16:54 Christian C. SalvadóChristian C. Salvadó 689k171171 gold badges887887 silver badges826826 bronze badges ...
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What are the differences between numpy arrays and matrices? Which one should I use?

... | edited May 7 at 14:10 hashlash 49944 silver badges1313 bronze badges answered Apr 11 at 11:52 ...
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Get the Row(s) which have the max count in groups using groupby

... In [1]: df Out[1]: Sp Mt Value count 0 MM1 S1 a 3 1 MM1 S1 n 2 2 MM1 S3 cb 5 3 MM2 S3 mk 8 4 MM2 S4 bg 10 5 MM2 S4 dgd 1 6 MM4 S2 rd 2 7 MM4 S2 cb 2 8 MM4 S2 uyi 7 In [2]: ...