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How is “int* ptr = int()” value initialization not illegal?
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Sass calculate percent minus px
...ad. Check browser compatibility on Can I use...
.foo {
height: calc(25% - 5px);
}
If your values are in variables, you may need to use interpolation turn them into strings (otherwise Sass just tries to perform arithmetic):
$a: 25%;
$b: 5px;
.foo {
width: calc(#{$a} - #{$b});
}
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All falsey values in JavaScript
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answered Nov 7 '13 at 15:34
user56reinstatemonica8user56reinstatemonica8
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What is the difference between libsqlite3.dylib and libsqlite3.0.dylib?
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Is the latter just a symlink to the latest v3 library like the convention for package manager...
Create an index on a huge MySQL production table without table locking
I need to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement...
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Is a Python list guaranteed to have its elements stay in the order they are inserted in?
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Python list iterator behavior and next(iterator)
...)))
>>> for i in a:
... print(i)
... next(a)
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0
1
2
3
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5
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9
So 0 is the output of print(i), 1 the return value from next(), echoed by the interactive interpreter, etc. There are just 5 iterations, each iteration resulting in 2 lines being written to the terminal.
If you a...
The modulo operation on negative numbers in Python
...ame sign as the denominator (divisor). Your expression yields 3 because
(-5) / 4 = -1.25 --> floor(-1.25) = -2
(-5) % 4 = (-2 × 4 + 3) % 4 = 3.
It is chosen over the C behavior because a nonnegative result is often more useful. An example is to compute week days. If today is Tuesday (day #2),...
Scala downwards or decreasing for loop?
... to 1 by -1
res1: scala.collection.immutable.Range = Range(10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
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