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Why use a public method in an internal class?
...UPDATE: This question was the subject of my blog in September 2014. Thanks for the great question!
There is considerable debate on this question even within the compiler team itself.
First off, it's wise to understand the rules. A public member of a class or struct is a member that is accessible t...
NSInvocation for Dummies?
...d, and then invoke it (actually send it to the target object) later on.
For example, let's say you want to add a string to an array. You would normally send the addObject: message as follows:
[myArray addObject:myString];
Now, let's say you want to use NSInvocation to send this message at so...
Unexpected character encountered while parsing value
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Thank you. json2csharp.com was a life-saver for me. Using it you can reverse-engineer back to what the correct class should look like. Thanks again!
– Aamir
Jun 18 '19 at 16:06
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Why is HttpClient BaseAddress not working?
...e four possible permutations of including or excluding trailing or leading forward slashes on the BaseAddress and the relative URI passed to the GetAsync method -- or whichever other method of HttpClient -- only one permutation works. You must place a slash at the end of the BaseAddress, and you mu...
What is NSLayoutConstraint “UIView-Encapsulated-Layout-Height” and how should I go about forcing it
...ays takes precedence.
It is based on what you return in -tableView:heightForRowAtIndexPath:. Make sure to return the right value and your own constraint and the generated one should be the same. The lower priority for your own constraint is only needed temporarily to prevent conflicts while collap...
Javascript and regex: split string and keep the separator
... @PaulJones the content was moved in the intervening time. Thanks for letting me know, I fixed the link.
– Jon
Apr 15 at 16:11
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Multiple aggregations of the same column using pandas GroupBy.agg()
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It has already been said, but using dictionaries for renaming output columns from age is deprecated. You can instead specify a list of tuples. See this answer.
– cs95
Jan 22 '19 at 1:53
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how to check if a file is a directory or regular file in python? [duplicate]
...you are not using absolute paths, like in the example, it would only check for "bob"s existence in the script directory (or where python is currently situated in the filesystem)
– Matthias
Jun 21 '16 at 14:08
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How to slice an array in Bash
...]}" # bar a b c 42
echo "${C[@]: -2:2}" # a b c 42 # The space before the - is necesssary
Note that the fact that "a b c" is one array element (and that it contains an extra space) is preserved.
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How to explicitly discard an out argument?
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Unfortunately, this is not included in C# 7 (as of Apr 2017).
– tia
Apr 10 '17 at 1:18
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