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How to customize a Spinner in Android

I want to add a custom height to the dropdown of a Spinner , say 30dp, and I want to hide the dividers of the dropdown list of Spinner . ...
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How do I add a Fragment to an Activity with a programmatically created content view

...ework expects the fragment's constructor (with no parameters) to be public and visible. Moving the fragment into the Activity as an inner class, or creating a new java file for the fragment fixes that. The second issue is that when you're adding a fragment this way, you must pass a reference to the...
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How to have conditional elements and keep DRY with Facebook React's JSX?

... Just leave banner as being undefined and it does not get included. share | improve this answer | follow | ...
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PHP Session Fixation / Hijacking

I'm trying to understand more about PHP Session Fixation and hijacking and how to prevent these problems. I've been reading the following two articles on Chris Shiflett's website: ...
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Stop Mongoose from creating _id property for sub-document array items

...: ObjectId, ref: Student.modelName }, performance: [performanceSchema] }); and that stopped _id creation on the studentSchema but retained _id creation on the objects in the performance array of sub-documents. Not sure if both _id: false and id: false are needed. – Web User ...
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Postgres: How to do Composite keys?

I cannot understand the syntax error in creating a composite key. It may be a logic error, because I have tested many varieties. ...
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How to manage REST API versioning with spring?

...) endpoint from user v2! Rest Documentation As i said before the reason i select the URL-based versioning approach is that some tools like swagger do not document differently the endpoints with the same URL but different content type. With this solution, both endpoints are displayed since have diff...
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Rails Model find where not equal

...is is the only refactor you are going to make, it is not worth using a gem and I would just stick with what you got. Squeel is useful in situations where you have many complex queries interacting with Ruby code. share ...
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How to implement a many-to-many relationship in PostgreSQL?

...ct is hardly unique (not a good "natural key"). Also, enforcing uniqueness and referencing the column in foreign keys is typically cheaper with a 4-byte integer (or even an 8-byte bigint) than with a string stored as text or varchar. Don't use names of basic data types like date as identifiers. Whi...
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Passport.js - Error: failed to serialize user into session

I got a problem with the Passport.js module and Express.js. 6 Answers 6 ...