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When to use ko.utils.unwrapObservable?
...apObservable(item) Looking at the code, that call basically checks to see if item is an observable. If it is, return the value(), if it's not, just return the value. Looking at the section on Knockout about creating custom bindings, they have the following syntax:
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“for loop” with two variables? [duplicate]
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If you want the effect of a nested for loop, use:
import itertools
for i, j in itertools.product(range(x), range(y)):
# Stuff...
If you just want to loop simultaneously, use:
for i, j in zip(range(x), range(y)):
#...
How to find out element position in slice?
...e on any slice.
Your function works, although it would be a little better if you wrote it using range.
If you happen to have a byte slice, there is bytes.IndexByte.
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How to Sort Multi-dimensional Array by Value?
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Try a usort, If you are still on PHP 5.2 or earlier, you'll have to define a sorting function first:
function sortByOrder($a, $b) {
return $a['order'] - $b['order'];
}
usort($myArray, 'sortByOrder');
Starting in PHP 5.3, you can u...
What is a StackOverflowError?
...has done it for you.
To deal with them, you'll need to examine your code. If you've got functions that call themselves then check that you've got a terminating condition. If you have, then check that when calling the function you have at least modified one of the arguments, otherwise there'll be no...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
...u're right. None means infinite (or "wait until the connection is close"). If I pass timeout myself, it returns!
– Nawaz
Jul 22 '13 at 8:00
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Check if character is number?
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You could use comparison operators to see if it is in the range of digit characters:
var c = justPrices[i].substr(commapos+2,1);
if (c >= '0' && c <= '9') {
// it is a number
} else {
// it isn't
}
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Twig ternary operator, Shorthand if-then-else
Does Twig support ternary (shorthand if-else) operator?
3 Answers
3
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Checking if a string can be converted to float in Python
... a list of strings and converts them to integers or floating point numbers if possible. Doing this for integers is pretty easy
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How can I check for Python version in a program that uses new language features?
If I have a Python script that requires at least a particular
version of Python, what is the correct way to fail gracefully
when an earlier version of Python is used to launch the script?
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