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Why does this iterative list-growing code give IndexError: list assignment index out of range?
... attempting to write to element [0] in the first iteration, which doesn't exist yet.
Try the following instead, to add a new element to the end of the list:
for l in i:
j.append(l)
Of course, you'd never do this in practice if all you wanted to do was to copy an existing list. You'd just do:...
How do I remove an array item in TypeScript?
... undefined.
Better to use the Array.prototype.splice function:
const index = myArray.indexOf(key, 0);
if (index > -1) {
myArray.splice(index, 1);
}
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Array slices in C#
...in, I know it is a wrapper and it does not make a copy. The rest of your explanation lost me.
– Fantius
Mar 9 '12 at 18:58
41
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Int division: Why is the result of 1/3 == 0?
...
@Byron: Yep, exactly. I don't believe the processor actually does any rounding, since division is implemented very differently, but it's handy to think of it that way.
– Noldorin
Jan 13 '11 at 21:32
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How to dynamically compose an OR query filter in Django?
From an example you can see a multiple OR query filter:
13 Answers
13
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What is the MySQL JDBC driver connection string?
...rking link: dev.mysql.com/doc/connector-j/en/…
– hexicle
Feb 23 '16 at 2:39
1
If I have three p...
How might I convert a double to the nearest integer value?
...ope, that's by design. By default, Math.Round will round midpoint numbers (x + .5) to the nearest even number. If you want a different behaviour, you have to specify it via a flag. msdn.microsoft.com/en-us/library/system.midpointrounding.aspx
– nickf
Sep 24 '12...
How to swap files between windows in VIM?
...Is there any Plugin, Macro, etc to make this more easy? BTW, I use MiniBufExplorer.
5 Answers
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How do pointer to pointers work in C?
...and thus contains the value 63. c must itself be stored somewhere: in the example above at location 58. Of course we can not only point to characters, but also to other pointers. E.g.:
const char **cp = &c;
Now cp points to c, that is, it contains the address of c (which is 58). We can go eve...
Setting direction for UISwipeGestureRecognizer
...answer from Apple saying that the behavior works as was intended.
So for example in a table view you can swipe left or right in a table view cell to trigger 'delete' (this would have directions of the swipe gesture set to left and right)
This means that the original workaround is the way it's supp...