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What's the simplest way to test whether a number is a power of 2 in C++?
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edited Dec 2 '15 at 3:59
jbranchaud
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How do I check that multiple keys are in a dict in a single pass?
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answered Aug 17 '09 at 2:18
hughdbrownhughdbrown
40.5k2020 gold badges8080 silver badges101101 bronze badges
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JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
...ueryforInt/queryforLong methods in JdbcTemplate are deprecated in Spring 3.2. I can't find out why or what is considered the best practice to replace existing code using these methods.
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Math.random() explanation
... return (int)(Math.random() * range) + min;
}
Output of randomWithRange(2, 5) 10 times:
5
2
3
3
2
4
4
4
5
4
The bounds are inclusive, ie [2,5], and min must be less than max in the above example.
EDIT: If someone was going to try and be stupid and reverse min and max, you could change the cod...
Appropriate datatype for holding percent values?
...ce value (e.g. 100.00% is stored as 100.00), then you should use decimal(5,2) with an appropriate CHECK constraint. Combined with a good column name, it makes it clear to other developers what the data is and how the data is stored in the column.
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Deleting elements from std::set while iterating
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This is implementation dependent:
Standard 23.1.2.8:
The insert members shall not affect the validity of iterators and references to the container, and the erase members shall invalidate only iterators and references to the erased elements.
Maybe you could try t...
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
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423
Update:
You can now just run the following command from your terminal:
xcode-select --install...
Set selected option of select box
...code into a $(document).ready:
$(function() {
$("#gate").val('gateway_2');
});
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Sort Dictionary by keys
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172
let dictionary = [
"A" : [1, 2],
"Z" : [3, 4],
"D" : [5, 6]
]
let sortedKeys = Arra...
What does the [Flags] Enum Attribute mean in C#?
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