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What are the Dangers of Method Swizzling in Objective-C?
...ell as the methodology used to achieve the result. I'll take each one at a time.
Method swizzling is not atomic
I have yet to see an implementation of method swizzling that is safe to use concurrently1. This is actually not a problem in 95% of cases that you'd want to use method swizzling. Usually...
Regex: matching up to the first occurrence of a character
... @Parziphal the ? character makes the match lazy (matching as few times as possible). Think of the regex matching characters up until the first semicolon then it doesn't go any farther because it gives up (lazy ;) )
– derekantrican
Jul 23 '19 at 14:42
...
jQuery.inArray(), how to use it right?
First time I work with jQuery.inArray() and it acts kinda strange.
20 Answers
20
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How to convert an int to a hex string?
...se chr(65) = 'A'. Is this a new addition?
– diedthreetimes
Nov 21 '12 at 20:17
2
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Ignore parent padding
... each side so you need to make your line 120px wide. Here's the code. Next time note that padding adds up to element width.
#parent
{
width: 100px;
padding: 10px;
background-color: Red;
}
hr
{
width: 120px;
margin:0 -10px;
position:relative;
}
...
When to use “new” and when not to, in C++? [duplicate]
...r arrays. You cannot* change the size of an in-place or stack array at run-time so where you need an array of undetermined size it must be allocated via new.
E.g.
void foo(int size)
{
Point* pointArray = new Point[size];
...
delete [] pointArray;
}
(*pre-emptive nitpicking - yes, there ...
How to specify table's height such that a vertical scroll bar appears?
...ically, it matches them up when it can. I've used this technique multiple times.)
– levininja
Feb 27 '14 at 17:59
1
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INSERT with SELECT
...is there any method to return this same select without running select next time? if I want to insert and get the result of courses table
– TAHA SULTAN TEMURI
Oct 8 '19 at 13:05
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How to add double quotes to a string that is inside a variable?
...obvious code, but still I think it can be useful to grab and make you save time.
/// <summary>
/// Put a string between double quotes.
/// </summary>
/// <param name="value">Value to be put between double quotes ex: foo</param>
/// <returns>double quo...
Logcat not displaying my log calls
...ut in the logcat view.
Also, the Android plugin is a bit quircky, and sometimes only shows the last line in the logcat view. If this happens, try to clear the log. After that, you should get all the log entries again (works for me anyway).
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