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vector vs. list in STL
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answered Feb 5 '10 at 17:56
Martin YorkMartin York
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Why isn't there a Guid.IsNullOrEmpty() method
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answered Mar 23 '12 at 10:29
Jon SkeetJon Skeet
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SHA1 vs md5 vs SHA256: which to use for a PHP login?
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110
Neither. You should use bcrypt. The hashes you mention are all optimized to be quick and easy o...
SQLite INSERT - ON DUPLICATE KEY UPDATE (UPSERT)
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answered Nov 1 '18 at 10:23
szmate1618szmate1618
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What is the EAFP principle in Python?
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answered Jul 6 '12 at 10:56
Sven MarnachSven Marnach
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Is there a foreach in MATLAB? If so, how does it behave if the underlying data changes?
...ery iteration, and set the value of the loop variable(s) as you wish:
n = 10;
f = n;
while n > 1
n = n-1;
f = f*n;
end
disp(['n! = ' num2str(f)])
Btw, the for-each loop in Java (and possibly other languages) produces unspecified behavior when the data structure is modified during itera...
Using switch statement with a range of value in each case?
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System.out.println("testing case 1 to 5");
} else if (isBetween(num, 6, 10)) {
System.out.println("testing case 6 to 10");
}
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How to convert a string to an integer in JavaScript?
... simplest way would be to use the native Number function:
var x = Number("1000")
If that doesn't work for you, then there are the parseInt, unary plus, parseFloat with floor, and Math.round methods.
parseInt:
var x = parseInt("1000", 10); // you want to use radix 10
// so you get a decimal ...
How to check if a Ruby object is a Boolean
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answered Jun 13 '10 at 19:42
Konstantin HaaseKonstantin Haase
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Float vs Decimal in ActiveRecord
... a Float. It's like a scientific notation for binary (something like +1.43*10^2). Because of that, it is impossible to store fractions and decimals in Float exactly.
That's why there is a Decimal format. If you do this:
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270...