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Mongoose, Select a specific field with find
...on, function (err, users) {
if (err) return next(err);
res.json(users);
});
}
http://docs.mongodb.org/manual/reference/method/db.collection.find/
Note:
var usersProjection
The list of objects listed here will not be returned / printed.
...
Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
In Jackson, when you annotate a constructor with @JsonCreator , you must annotate its arguments with @JsonProperty . So this constructor
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Alternative for PHP_excel
...pleExcel Claims to read and write Microsoft Excel XML / CSV / TSV / HTML / JSON / etc formats
KoolGrid xls spreadsheets only, but also doc and pdf
PHP_XLSXWriter OfficeOpenXML
PHP_XLSXWriter_plus OfficeOpenXML, fork of PHP_XLSXWriter
php_writeexcel xls only (looks like it's based on PEAR SEW)
spout ...
Node.js Error: Cannot find module express
... installing winston locally in the app directory (and adding it to package.json).
– trusktr
Apr 21 '14 at 2:08
3
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
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The key: value JSON-style assignments are a part of the new Ruby 1.9 hash syntax, so bear in mind that this syntax will not work with older versions of Ruby. Also, the keys are going to be symbols. If you can live with those two constraints...
Getting request payload from POST request in Java servlet
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If you are able to send the payload in JSON, this is a most convenient way to read the playload:
Example data class:
public class Person {
String firstName;
String lastName;
// Getters and setters ...
}
Example payload (request body):
{ "firstName...
Trigger a keypress/keydown/keyup event in JS/jQuery?
... answered Feb 13 '18 at 7:39
JSON C11JSON C11
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How to cast Object to its actual type?
...(). That will definitely return it's actual type.
– JSON
Mar 21 '18 at 15:04
We already know the 'Type'. He wants i...
How to escape braces (curly brackets) in a format string in .NET
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Came here in search of how to build json strings ad-hoc (without serializing a class/object) in C#. In other words, how to escape braces and quotes while using Interpolated Strings in C# and "verbatim string literals" (double quoted strings with '@' prefix), l...
POSTing a @OneToMany sub-resource association in Spring Data REST
... make sure the author.post is writable (for example by having a setter or @JsonValue annotation)
– scheffield
May 28 '15 at 3:14
1
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