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Python nested functions variable scoping [duplicate]
... the line is effectively saying:
_total = _total + PRICE_RANGES[key][0]
it creates _total in the namespace of recurse(). Since _total is then new and unassigned you can't use it in the addition.
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C# binary literals
Is there a way to write binary literals in C#, like prefixing hexadecimal with 0x? 0b doesn't work.
12 Answers
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HTML5 Number Input - Always show 2 decimal places
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edited Apr 1 at 21:37
Dale K
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Is either GET or POST more secure than the other?
...omparing an HTTP GET to an HTTP POST, what are the differences from a security perspective? Is one of the choices inherently more secure than the other? If so, why?
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Turn off autosuggest for EditText?
...rammatically turn off that autosuggest list which pops up as you type in EditText?
14 Answers
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Uppercase Booleans vs. Lowercase in PHP
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The official PHP manual says:
To specify a boolean literal, use the
keywords TRUE or FALSE. Both are
case-insensitive.
So yeah, true === TRUE and false === FALSE.
Personally, however, I prefer TRUE over true and FALSE over false for readability reasons. It's the same re...
When does ADT set BuildConfig.DEBUG to false?
...DEBUG that is set according to the build type. The problem I have is that it is never set to false, I expected it to change when doing "Android Tools -> Export Signed Application Package" but it hasn't for me.
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Completion handler for UINavigationController “pushViewController:animated”?
...pp using a UINavigationController to present the next view controllers.
With iOS5 there´s a new method to presenting UIViewControllers :
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How can I declare and use Boolean variables in a shell script?
...o the original answer, and many of the comments are wrong when associated with the revised answer. For example, Dennis Williamson's comment about bash builtin true on Jun 2, 2010 only applies to the original answer, not the revised.
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Mongod complains that there is no /data/db folder
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You created the directory in the wrong place
/data/db means that it's directly under the '/' root directory, whereas you created 'data/db' (without the leading /) probably just inside another directory, such as the '/root' homedirectory.
You need to create this directory as root
Either y...