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presentViewController:animated:YES view will not appear until user taps again
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I've encountered the same issue today. I dug into the topic and it seems that it's related to the main runloop being asleep.
Actually it's a very subtle bug, because if you have the slightest feedback animation, timers, etc. in your code this issue won't surface because the runloop ...
What's better to use in PHP, $array[] = $value or array_push($array, $value)?
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No benchmarks, but I personally feel like $array[] is cleaner to look at, and honestly splitting hairs over milliseconds is pretty irrelevant unless you plan on appending hundreds of thousands of strings to your array.
Edit: Ran this code:
$t = microtime(true);
$array = array();
for($i = 0; $i <...
What's the UIScrollView contentInset property for?
...e what the contentInset property in a UIScrollView instance is used for? And maybe provide an example?
5 Answers
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Join a list of strings in python and wrap each string in quotation marks
...it is not better, it is very slightly faster. My solution is more pythonic and readable
– jamylak
Oct 15 '16 at 1:14
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Spring Boot Rest Controller how to return different HTTP status codes?
I am using Spring Boot for a simple REST API and would like to return a correct HTTP statuscode if something fails.
6 Answe...
Removing whitespace from strings in Java
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st.replaceAll("\\s+","") removes all whitespaces and non-visible characters (e.g., tab, \n).
st.replaceAll("\\s+","") and st.replaceAll("\\s","") produce the same result.
The second regex is 20% faster than the first one, but as the number consecutive spaces increases, ...
Get generic type of class at runtime
...ublic static <T> GenericClass<T> of(Class<T> type) {...} and then call it as such: GenericClass<String> var = GenericClass.of(String.class). A bit nicer.
– Joeri Hendrickx
Aug 1 '16 at 20:04
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Alter MySQL table to add comments on columns
I have been checking the MySQL Documentation for ALTER TABLE and it does not seem to include a way to add or modify a comment to a column. How can I do this?
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Python: Find in list
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As for your first question: that code is perfectly fine and should work if item equals one of the elements inside myList. Maybe you try to find a string that does not exactly match one of the items or maybe you are using a float value which suffers from inaccuracy.
As for your se...
How can I see normal print output created during pytest run?
Sometimes I want to just insert some print statements in my code, and see what gets printed out when I exercise it. My usual way to "exercise" it is with existing pytest tests. But when I run these, I don't seem able to see any standard output (at least from within PyCharm, my IDE).
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