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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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The preferred way of creating a new element with jQuery

... I personally think that it's more important for the code to be readable and editable than performant. Whichever one you find easier to look at and it should be the one you choose for above factors. You can write it as: $('#box').ap...
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Applying a function to every row of a table using dplyr?

...it reflects the fact that when you're doing row wise operations you're actually working with tuples from a list of vectors (the columns in a dataframe). share | improve this answer | ...
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Completion handler for UINavigationController “pushViewController:animated”?

...rface UINavigationController (CompletionHandler) - (void)completionhandler_pushViewController:(UIViewController *)viewController animated:(BOOL)animated completion:(void (^)(void))completion; @end Implementation: #import "UIN...
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Array extension to remove object by value

...with a protocol extension method. removeObject() is defined as a method on all types conforming to RangeReplaceableCollectionType (in particular on Array) if the elements of the collection are Equatable: extension RangeReplaceableCollectionType where Generator.Element : Equatable { // Remove f...
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Storing integer values as constants in Enum manner in java [duplicate]

... } public int getValue() { return value; } } And then you call PAGE.SIGN_CREATE.getValue() to get 0. share | improve this answer | follow | ...
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Maven2: Missing artifact but jars are in place

... settings in the global or user settings. Check you're using the Maven installation you expect. By default m2eclipse uses the embedder, if you have a separate installation you may want to configure m2eclipse to use the external installation so that CLI and Eclipse builds are consistent. This also en...
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How to check if a table exists in a given schema

... (like OIDs) gets lost in translation from the system catalogs - which actually carry all information. System catalogs Your question was: How to check whether a table exists? SELECT EXISTS ( SELECT FROM pg_catalog.pg_class c JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace WHE...
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REST vs JSON-RPC? [closed]

...ions(HTTP headers + representation). For example: It's possible (and actually mandatory) to embed links annotated with link relation types which convey meanings of these URIs; Client implementations do not need to depend on particular procedure names and arguments. Instead, clients depend on messa...
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What is the difference between mocking and spying when using Mockito?

... The answer is in the documentation: Real partial mocks (Since 1.8.0) Finally, after many internal debates & discussions on the mailing list, partial mock support was added to Mockito. Previously we considered partial mocks as code smells. However, we found a legitimate use case for partial mo...