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# SDT Progress Assessment 2 Practice

### 1. What is vim/nano?
<br> they are text editors
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### 2. List bash commands that perform the following: list the files and directories in the working directory; change directories; make a new file; make a new directory.
<br> ls, cd, touch, mkdir
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### 3. What is HTML?
<br> hypertext markup language.  language used to build webpages and apps
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### 4. Describe the difference between an HTML tag, element, and attribute.
<br> tags are keywords that control how the browser displays content.  elements are individual components of an html doc.
<br> an attribute is modifies an element.

### 5. Briefly summarize the following HTML tags: ```<html></html>```, ```<head></head>```, ```<body></body>```, and ```<title></title>```.
<br> ```<html>``` root of a html doc, container for all the code in said doc, tells the browser to format as html
<br> ```<head>``` container for specific info of the html doc
<br> ```<body>``` where all the elements live
<br> ```<title>``` sets the title for the doc in search engines, browser toolbar, etc

### 6. Briefly summarize the following HTML tags: ```<div></div>```, ```<section></section>```, and ```<nav></nav>```.
<br> ```<div>``` block level container
<br> ```<nav>``` block of major navigation links
<br> ```<section>``` semantic markup, similar in function to a div. defines sections in a document.

### 7. Explain at least three tags used to define a table in HTML.
<br> ```<td>``` table data - standard data cell
<br> ```<tr>``` table row - defines a row
<br> ```<thead>``` table header - groups header data

### 8. When should you use ```<section>``` instead of ```<div>```?
<br> you use section when grouping large chunks of information together.  To encapsulate a chapter, or things that are all relevant to one another
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### 9. Briefly summarize the effects of the following HTML elements: ```<b></b>``` and ```<i></i>```, ```<ul></ul>``` and ```<ol></ol>```, ```<a></a>```, ```<img>```, and ```<br>```.
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### 10. What is CSS?
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### 11. Name at least two ways to add CSS to HTML.
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### 12. How do you link an external stylesheet?
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### 13. What are CSS selectors? Provide at least two examples.
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### 14. What is the descendant combinator? Give an example.
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### 15. What is a media query? How can we use media queries to change the appearance of our web page based on the size of the browser window?
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### 16. What is "float"? How do you clear a "float"?
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### 17. What are pseudo-classes and pseudo-elements? Give an example of each.
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### 18. How do you include JavaScript in an HTML file? Give an example for both internal and external scripts.
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### 19. What is the DOM?
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### 20. Each element of the DOM is best known as what?
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### 21. How do you access the current web page using JavaScript?
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### 22. List the event handlers for the following events: when the window finishes loading, when the user clicks the mouse, when the mouse enters and/or leaves the current element.
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### 23. What is event delegation?
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### 24. Explain the difference between capturing and bubbling events.
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### 25. What is pseudo-code and why is it useful?
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### 26. What is jQuery?
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### 27. How would you use jQuery to select all ```<p>``` elements?
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### 28. What does "$" mean in JavaScript? In jQuery?
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### 29. What does the jQuery "ready" function do?
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### 30. What are some of the pros and cons of using jQuery?
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### 31. Define "refactoring".
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### 32. What is Angular?
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### 33. What is two-way data binding?
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### 34. What is a directive?
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### 35. What is the difference between a framework and a library?
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### 36. Explain the Model-View-Controller architectural pattern.
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### 37. What is an Angular module?
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### 38. What is the Node Package Manager?
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### 39. What is Node.js?
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### 40. Explain in general terms how different files work together in our Angular applications, especially templates, factories, and controllers.
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### 41. What do two curly braces ```{{ }}``` represent when using Angular? Specifically, when do we need to use them, and when can we omit them?
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### 42. What is an IIFE, and why do we use them to wrap our Javascript files when using Angular?
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### 43. What does the UI-Router framework do? Name two important HTML tags it introduces to accomplish this.
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### 44. What does the ```$stateProvider``` do?
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### 45. Briefly explain the ```ngRepeat``` directive and how to use it.
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### 46. Name at least three service types, or "recipes", Angular has.
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### 47. How do you add a public method to a service?
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### 48. What is a singleton?
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### 49. What do Angular filters do?
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### 50. What is a modal window?
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### 51. What is Firebase?
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### 52. What are the commands to get, set, and delete a cookie?
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