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In Objective-C, how do I test the object type?
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If your object is myObject, and you want to test to see if it is an NSString, the code would be:
[myObject isKindOfClass:[NSString class]]
Likewise, if you wanted to test myObject for a UIImageView:
[myObject isKindOfClass:[UIImageView cla...
How to round up a number to nearest 10?
... that could round to the nearest variable, and this page kept coming up in my searches. So when I finally ended up writing the function myself, I thought I would post it here for others to find.
The function will round to the nearest variable:
function roundToTheNearestAnything($value, $roundTo)
{...
Which letter of the English alphabet takes up most pixels?
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Interestingly, in 'Arial Black' on my MacBook in Chrome, lowercase m is the widest, by a small margin.
– Earl Jenkins
Feb 14 '12 at 22:25
15...
How can I remove an element from a list, with lodash?
...u should use _.reject instead of _.filter to use the same predicate. Check my answer for more details!
– Xeltor
Jun 14 '17 at 19:41
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ArithmeticException: “Non-terminating decimal expansion; no exact representable decimal result”
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I had this same problem, because my line of code was:
txtTotalInvoice.setText(var1.divide(var2).doubleValue() + "");
I change to this, reading previous Answer, because I was not writing decimal precision:
txtTotalInvoice.setText(var1.divide(var2,4, Round...
Check if null Boolean is true results in exception
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I struggle to understand why if (myBoolean) (where myBoolean is Boolean) does not raise a compiler error or at least a warning. This is a gotcha for sure.
– Josh M.
Dec 13 '18 at 13:50
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Why doesn't delete set the pointer to NULL?
...ress, a number. It might as well be an int with a dereference operation. My point is you would have to also scan every single pointer to find those that are referencing the same memory you just deleted, and null them out as well. It would be computationally intense to scan all the pointers for th...
Referring to a Column Alias in a WHERE Clause
...r syntax for a sub-query, so the performance would be similar to that. In my experience, the performance difference has not been something that has concerned me for operations like this, but it should be fairly simple to test it in your environment to see if your specific table/query is adversely a...
How to pad zeroes to a string?
... gave me the opportunity to remove some irrelevant and outdated stuff from my answer.
– Konrad Rudolph
Jun 12 '19 at 9:31
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Click outside menu to close in jquery
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I found a variant of Grsmto's solution and Dennis' solution fixed my issue.
$(".MainNavContainer").click(function (event) {
//event.preventDefault(); // Might cause problems depending on implementation
event.stopPropagation();
$(document).one('click', function (e) {
i...