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Generate random numbers with a given (numerical) distribution

I have a file with some probabilities for different values e.g.: 13 Answers 13 ...
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How to parse an RSS feed using JavaScript?

I need to parse an RSS feed (XML version 2.0) and display the parsed details in an HTML page. 8 Answers ...
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Throwing the fattest people off of an overloaded airplane.

Let's say you've got an airplane, and it is low on fuel. Unless the plane drops 3000 pounds of passenger weight, it will not be able to reach the next airport. To save the maximum number of lives, we would like to throw the heaviest people off of the plane first. ...
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Print content of JavaScript object? [duplicate]

Typically if we just use alert(object); it will show as [object Object] . How to print all the content parameters of an object in JavaScript? ...
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When saving, how can you check if a field has changed?

...y, you want to override the __init__ method of models.Model so that you keep a copy of the original value. This makes it so that you don't have to do another DB lookup (which is always a good thing). class Person(models.Model): name = models.CharField() __original_name = None def __i...
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Input placeholders for Internet Explorer

HTML5 introduced the placeholder attribute on input elements, which allows to display a greyed-out default text. 17 Ans...
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When to use reinterpret_cast?

I am little confused with the applicability of reinterpret_cast vs static_cast . From what I have read the general rules are to use static cast when the types can be interpreted at compile time hence the word static . This is the cast the C++ compiler uses internally for implicit casts also. ...
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What does && mean in void *p = &&abc;

I came across a piece of code void *p = &&abc; . What is the significance of && here? I know about rvalue references but I think && used in this context is different. What does && indicate in void *p = &&abc; ? ...
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How to wrap text in LaTeX tables?

I am creating a report in LaTeX which involves a few tables. I'm stuck on that as my cell data in the table is exceeding the width of the page. Can I somehow wrap the text so that it falls into the next line in the same cell of the table? ...
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How do I quickly rename a MySQL database (change schema name)?

... For InnoDB, the following seems to work: create the new empty database, then rename each table in turn into the new database: RENAME TABLE old_db.table TO new_db.table; You will need to adjust the permissions after that. For scripting in a shell, you can use either of the follow...