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Java Interfaces/Implementation naming convention [duplicate]

...tation tautology that adds nothing but more stuff to type to your code. All modern Java IDE's mark Interfaces and Implementations and what not without this silly notation. Don't call it TruckClass that is tautology just as bad as the IInterface tautology. If it is an implementation it is a cla...
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Retina displays, high-res background images

...ges/box-bg@2x.png') no-repeat top left / 200px 200px; } However, I personally would not advise using the shorthand form as it is not supported in iOS <= 6 or Android making it unreliable in most situations. share ...
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How many bytes does one Unicode character take?

...ing, it defines codepoints and a codepoint is a number, associated with usually a character. I say usually because there are concepts like combining characters. You may be familiar with things like accents, or umlauts. Those can be used with another character, such as an a or a u to create a new log...
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What is Cache-Control: private?

...getting the cached version for 15 seconds. If it's a corporate proxy, then all 67198 users hitting the same page in the same 15-second window will all get the same contents - all served from close cache. Performance win for everyone. The virtue of adding Cache-Control: max-age is that the browser d...
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Adding div element to body or document in JavaScript

...0%;opacity:0.3;z-index:100;background:#000;"></div>'; Edit:- Ideally you should use body.appendChild method instead of changing the innerHTML var elem = document.createElement('div'); elem.style.cssText = 'position:absolute;width:100%;height:100%;opacity:0.3;z-index:100;background:#000';...
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Unable to type in Visual Studio

... Simply delete your all temp file from temp folder. Note: Before delete temp file close visual studio. To delete temp files: Open Run window by pressing Windows button + R Type %temp% in the text box. Press enter Run window image Now you ...
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?

...imated:YES]; Note to always use only (reloadDataAnimated:YES/NO) (dont call [self.tableView reloadData] directly) This doesn't use the hacky solution with setting height to 0 and allows you to animate the change and hide whole sections ...
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Aggregate / summarize multiple variables per group (e.g. sum, mean)

... what if I instead of x1 and x2 I want to use all the remaining variables (other than year, month) – Clock Slave Mar 16 '16 at 11:22 8 ...
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How can I multiply all items in a list together with Python?

...m together. Example: [1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help. 17 Answers ...
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MySQL 'create schema' and 'create database' - Is there any difference

... CREATE SCHEMA is a synonym for CREATE DATABASE as of MySQL 5.0.2. this all goes back to an ANSI standard for SQL in the mid-80s. That standard had a "CREATE SCHEMA" command, and it served to introduce multiple name spaces for table and view names. All tables and views were created within a "s...