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What is __main__.py?

What is the __main__.py file for, what sort of code should I put into it, and when should I have one? 5 Answers ...
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When should the xlsm or xlsb formats be used?

Since Excel 2007, Microsoft has split the classical .xls format to several formats (in particular, .xlsx , .xlsm , .xlsb ). I've got no problem to understand the use and purpose of .xlsx format but I am still wondering whether we should use a .xlsm or a .xlsb format when creating a file c...
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Android: What is better - multiple activities or switching views manually?

I have developed some apps for Android, and this questions stays always: 7 Answers 7 ...
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Can you control how an SVG's stroke-width is drawn?

... No, you cannot specify whether the stroke is drawn inside or outside an element. I made a proposal to the SVG working group for this functionality in 2003, but it received no support (or discussion). As I noted in the proposal, you can achieve the same visual result as "inside"...
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)

...ypes: one type of cheese one type of meat one type of vegetable So we order two pizzas and choose the following toppings: Pizza Topping Topping Type -------- ---------- ------------- 1 mozzarella cheese 1 pepperoni meat 1 olives vegetable 2 mozzarell...
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Remove multiple whitespaces

...,$row['message']); You are using \s\s+ which means whitespace(space, tab or newline) followed by one or more whitespace. Which effectively means replace two or more whitespace with a single space. What you want is replace one or more whitespace with single whitespace, so you can use the pattern ...
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Using bitwise OR 0 to floor a number

A colleague of mine stumbled upon a method to floor float numbers using a bitwise or: 6 Answers ...
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Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))

...and creates a wrapper that implements List<Integer>, which makes the original array available as a list. Nothing is copied and all, only a single wrapper object is created. Operations on the list wrapper are propagated to the original array. This means that if you shuffle the list wrapper, the...
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How can I add new keys to a dictionary?

... @hegash the d[key]=val syntax as it is shorter and can handle any object as key (as long it is hashable), and only sets one value, whereas the .update(key1=val1, key2=val2) is nicer if you want to set multiple values at the same time, as long as the keys are strings...
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Is AngularJS just for single-page applications (SPAs)?

...n application we are creating and are trying to evaluate a tool that will work for us and give us the best platform to move forward. ...