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Most efficient way to determine if a Lua table is empty (contains no entries)?
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155
Your code is efficient but wrong. (Consider {[false]=0}.) The correct code is
if next(myTab...
Java String to SHA1
I'm trying to make a simple String to SHA1 converter in Java and this is what I've got...
12 Answers
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A valid provisioning profile for this executable was not found for debug mode
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Non-alphanumeric list order from os.listdir()
...f I am in a current directory containing the following subdirectories: run01, run02, ... run19, run20, and then I generate a list from the following command:
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Is it possible to override the configuration of a plugin already defined for a profile in a parent P
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145
Overriding configurations from a parent pom can be done by adding the combine.self="override" ...
C++11 reverse range-based for-loop
...or/reversed.hpp>
int main()
{
std::list<int> x { 2, 3, 5, 7, 11, 13, 17, 19 };
for (auto i : boost::adaptors::reverse(x))
std::cout << i << '\n';
for (auto i : x)
std::cout << i << '\n';
}
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How to overwrite the previous print to stdout in python?
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16 Answers
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git: Show index diff in commit message as comment
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149
The --verbose (or -v) flag for git commit will display the diff of what would be committed:
g...
Getting a list of values from a list of dicts
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answered Sep 1 '11 at 14:08
Ismail BadawiIsmail Badawi
29.6k66 gold badges7373 silver badges9090 bronze badges
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Cast an instance of a class to a @protocol in Objective-C
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172
The correct way to do this is to do:
if ([self.myViewController conformsToProtocol:@protocol(...