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How to Programmatically Add Views to Views

... Calling addView is the correct answer, but you need to do a little more than that to get it to work. If you create a View via a constructor (e.g., Button myButton = new Button();), you'll need to call setLayoutParams on the n...
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Way to read first few lines for pandas dataframe

...d of time? I have a large file that takes a long time to read, and occasionally only want to use the first, say, 20 lines to get a sample of it (and prefer not to load the full thing and take the head of it). ...
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How to create a simple map using JavaScript/JQuery [duplicate]

... At least, put all those methods on the prototype. – Bergi May 18 '13 at 14:36 3 ...
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Fit Image in ImageButton in Android

...less area, some are too big to fit into the imageButton. How to programatically resize and show them? Use a android:scaleType="fitCenter" to have Android scale the images, and android:adjustViewBounds="true" to have them adjust their bounds due to scaling. All of these attributes can be set in c...
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Adding a column to an existing table in a Rails migration

...cord::Migration[5.0] def change end end In that case you have to manually an add_column to change: class AddEmailToUsers < ActiveRecord::Migration[5.0] def change add_column :users, :email, :string end end And then run rake db:migrate ...
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onclick open window and specific size

...@IdhamChoudry Just remove the width/height properties and it will automatically take all the available space. I believe setting width=100vw, height=100vh would work too. – Vadorequest Mar 14 '17 at 10:44 ...
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p vs puts in Ruby

... world of programming, due to your mention of debugging, p or puts? Should all "p" be replaced with "puts" upon completion of debugging?? I see, in an above comment, that p returns an object, which is a huge difference. Im not sure if this answer is complete if it only mentions a small difference t...
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Is it possible to make a div 50px less than 100% in CSS3? [duplicate]

... A DIV automatically takes its parent's width. So there is no need to define any width. Normally would simply write it like this: div{ margin-right:50px; } Check this fiddle ...
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Can't compile project when I'm using Lombok under IntelliJ IDEA

...ors. For IDEA 2019.2.1, depending on how the project is configured, installing the Project Lombok plugin may not be sufficient. Here is another way to use Project Lombok with IntelliJ IDEA: Visit https://projectlombok.org/download Download the JAR file into the project lib directory (e.g., $HOM...
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Difference between VARCHAR and TEXT in MySQL [duplicate]

...R(30) instead of TINYTEXT or TEXT and if someone tries to save the text of all three "Lord of the Ring" books in your phone number column you only store the first 30 characters :) Edit: If the text you want to store in the database is longer than 65535 characters, you have to choose MEDIUMTEXT or L...