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How can I make a weak protocol reference in 'pure' Swift (without @objc)
...ons is that calling the delegate causes a crash - EXC_BAD_ACCESS (as noted by others elsewhere). This seems to be bug. The only solution I have found is to use @objc and eliminate all Swift data types from the protocol.
– Jim T
Jul 3 '14 at 22:32
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RegEx to find two or more consecutive chars
... contains two or more consecutive alpha chars. Two or more [a-zA-Z] side by side.
Example:
4 Answers
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How big should a UIBarButtonItem image be?
I'm looking to create my own custom Sort By Date and Sort By Number buttons that I plan on placing in the navigation bar as the right button.
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Using isKindOfClass with Swift
... Chaining sub section Downcasting.
Edit 2
As pointed on the other answer by user @KPM, using the is operator is the right way to do it.
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What is the use of the pipe symbol in YAML?
...ad of 6+ because the last block-level element is the array item (specified by -) and the literal is indented 4 from it. Somewhat surprisingly the final: | mapping is not considered a block element even though its value is multi-lined. It sort of makes sense if you think about it -- it's still just...
How to deal with “data of class uneval” error from ggplot2?
...t doesn't exist. For example, recently I forgot to tell ddply to summarize by one of my variables that I used in geom_line to specify line color. Then, ggplot didn't know where to find the variable I hadn't created in the summary table, and I got this error.
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Combining INSERT INTO and WITH/CTE
... problem this solves is that in an insert statement the mapping is defined by the relative ordering of the fields to be inserted into and the values to be inserted into them, which are listed separately. If you write these normally it's incredibly difficult to check by visual inspection that the two...
How to use GNU Make on Windows?
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Although this question is old, it is still asked by many who use MSYS2.
I started to use it this year to replace CygWin, and I'm getting pretty satisfied.
To install make, open the MSYS2 shell and type the following commands:
# Update the package database and core system...
emacs create new file with ido enabled
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How can I ignore everything under a folder in Mercurial
...he folder "foo" somewhere in the path
^foo matches file or folder starting by foo at the root of the repository
foo$ matches file ending with foo
I hope this will help, I found the HGIGNORE(5) page a bit succinct.
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