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Circular (or cyclic) imports in Python
...reference to circular imports in python3 "What's new?" pages is in the 3.5 one. It says "Circular imports involving relative imports are now supported". @meawoppl have you found anything else what is not listed in these pages?
– zezollo
Apr 21 '16 at 5:38
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jQuery pass more parameters into callback
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I think there is a problem with this one. If your extra data (myDiv in this case) changes before the callback fires, you get the new value and not the old one! In my case, I was firing off ajax calls on items in an array, and by the time the first success() call...
Why does typeof NaN return 'number'?
...ds of operation
which return NaN:
Operations with a NaN as at least one operand
Indeterminate forms
The divisions 0/0, ∞/∞, ∞/−∞, −∞/∞, and −∞/−∞
The multiplications 0×∞ and 0×−∞
The power 1^∞
The additions ∞ + (−∞), (−∞) + ...
IN clause and placeholders
...ast in a normal build, not sure about Android :)
Happy coding.
Here is one implementation:
String makePlaceholders(int len) {
if (len < 1) {
// It will lead to an invalid query anyway ..
throw new RuntimeException("No placeholders");
} else {
StringBuilder sb ...
Getting the index of the returned max or min item using max()/min() on a list
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@KevinGriffin, Note that this gets you only one of possibly several occurrences of the minimum/maximum. This may not be what you want, for example if it's possible to increase your gain the same two ways, but one of them hurts the other player more. I do not know if th...
How can I mock dependencies for unit testing in RequireJS?
...retty, but of all possible solutions this seems to be the least ugly/messy one. This problem deserves more attention.
– Chris Salzberg
Oct 28 '12 at 3:20
1
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How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?
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Presuming that only one popover can be visible at any time, you can use a set of flags to mark when there's a popover visible, and only then hide them.
If you set the event listener on the document body, it will trigger when you click the eleme...
In Vim is there a way to delete without putting text in the register?
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To remove one character, try: "_x
– kenorb
Sep 6 '13 at 9:30
58
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What can be the reasons of connection refused errors?
...sons (that I know of) for the OS to reject an inbound connection request. One reason has already been mentioned several times - the listening port being connected to is not open.
There is another reason that has not been mentioned yet - the listening port is actually open and actively being used...
namespaces for enum types - best practices
Often, one needs several enumerated types together. Sometimes, one has a name clash. Two solutions to this come to mind: use a namespace, or use 'larger' enum element names. Still, the namespace solution has two possible implementations: a dummy class with nested enum, or a full blown namespace.
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