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Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
...thods are to fall by the wayside.
Instead, use GCD to dispatch a suitable block to the relevant queue — in this case it'll presumably be the main queue since it looks like you're doing UIKit work.
EDIT: the relevant performSelector: is also notably missing from the Swift version of the NSRunLoop...
Count occurrences of a char in a string using Bash
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Code block 4 is the best in my opinion. We need to make it easier to get to: tr -dc ',' <<<"$var" | wc -c
– bgStack15
Feb 26 '16 at 14:57
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How to check if array element exists or not in javascript?
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I had to wrap techfoobar's answer in a try..catch block, like so:
try {
if(typeof arrayName[index] == 'undefined') {
// does not exist
}
else {
// does exist
}
}
catch (error){ /* ignore */ }
...that's how it worked in chrome, anyway (otherwise, the code st...
Converting Stream to String and back…what are we missing?
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And don't forget a using block around StreamReader reader = new StreamReader(stream);
– PRMan
Feb 12 at 18:20
add a comment
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Find the similarity metric between two strings
... search).ratio(), ...) more reliable, with custom sorted(... .get_matching_blocks())[-1] > min_match checks
– ThorSummoner
Sep 15 '16 at 19:51
2
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Why is Go so slow (compared to Java)?
...shed as the benchmarks game - shootout.alioth.debian.org/flawed-benchmarks.php
– igouy
Apr 24 '10 at 17:24
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Can I use Class.newInstance() with constructor arguments?
...ons. When I realized there were at least 4, I just threw it in a try/catch block. Also, the arguments to getDeclaredConstructor() are the classes of the constructor parameters
– Andrew Puglionesi
Nov 1 '18 at 23:33
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Adjusting and image Size to fit a div (bootstrap)
... height: 230px;
}
jsFiddle
...per your comment, you could also just block any overflow - see this example to see an image restricted by height and cut off because it's too wide.
.top1 {
height:390px;
background-color:#FFFFFF;
margin-top:10px;
overflow: hidden;
}
.top1 img {
...
Is D a credible alternative to Java and C++? [closed]
... argue it's even behind so-called "scripting" languages like Python, Perl, PHP, Ruby, and even JavaScript in these regards.
To be blunt, you simply can't build a large-scale, cross-platform application using D. With an immature standard library, no support in any modern IDEs (there are plugins for...
How to convert numbers between hexadecimal and decimal
...nstead of int.Parse for this to avoid having to use the annoying try catch block.
– ROFLwTIME
Aug 23 '12 at 12:53
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