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Cannot overwrite model once compiled Mongoose

...y have a schema defined, and then you are defining the schema again. Generally what you should do is instantiate the schema once, and then have a global object call it when it needs it. For example: user_model.js var mongoose = require('mongoose'); var Schema = mongoose.Schema; var userSchema...
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Find all records which have a count of an association greater than zero

...unt > ?', 1) Inflection rule for vacancy may need to be specified manually? share | improve this answer | follow | ...
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How to pass an array within a query string?

...s[]" value="Mercedes"> NOTE: Using field[] for multiple values is really poorly documented. I don't see any mention of it in the section on multi-valued keys in Query string - Wikipedia, or in the W3C docs dealing with multi-select inputs. UPDATE As commenters have pointed out, this is ve...
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I ran into a merge conflict. How can I abort the merge?

... you to use the "theirs" merge strategy: git pull --strategy=theirs remote_branch But this has since been removed, as explained in this message by Junio Hamano (the Git maintainer). As noted in the link, instead you would do this: git fetch origin git reset --hard origin ...
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Basic HTTP authentication with Node and Express 4

...he bare minimum you need: (you don't even need to parse the credentials at all) function (req, res) { //btoa('yourlogin:yourpassword') -> "eW91cmxvZ2luOnlvdXJwYXNzd29yZA==" //btoa('otherlogin:otherpassword') -> "b3RoZXJsb2dpbjpvdGhlcnBhc3N3b3Jk" // Verify credentials if ( req.headers.a...
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How to determine equality for two JavaScript objects?

...y = function() { if (c === undefined) c = a * b // imagine * is really expensive return c; } } In this above case, c is not really important to determine whether any two instances of MyClass are equal, only a and b are important. In some cases c might vary between instance...
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Removing all empty elements from a hash / YAML?

How would I go about removing all empty elements (empty list items) from a nested Hash or YAML file? 20 Answers ...
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Adding 'serial' to existing column in Postgres

I have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which currently contains unique sequential integers starting at 1, but which was not created using the 'serial' keyword. ...
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Best way to convert an ArrayList to a string

...al #14; //Method java/lang/StringBuilder."<init>":()V 68: aload_2 69: invokevirtual #15; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder; 72: aload 4 74: invokevirtual #15; //Method java/lang/StringBuilder.append:(Ljava/lang/String;)...
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When exactly is it leak safe to use (anonymous) inner classes?

...y tough question. While you may think it is just one question, you are actually asking several questions at once. I'll do my best with the knowledge that I have to cover it and, hopefully, some others will join in to cover what I may miss. Nested Classes: Introduction As I'm not sure how comfortab...