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Cropping an UIImage

...of the center of the image - I use this to take a UIImage and return a small, square representation of an image, similar to what's seen in the album view of the Photos app. (I know I could use a UIImageView and adjust the crop mode to achieve the same results, but these images are sometimes disp...
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How do you know when to use fold-left and when to use fold-right?

...ee it. It's "haskell-style pseudocode". :) – laughing_man Apr 21 '15 at 2:38 ...
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How to convert Java String into byte[]?

...m you appear to be wrestling with is that this doesn't display very well. Calling toString() will just give you the default Object.toString() which is the class name + memory address. In your result [B@38ee9f13, the [B means byte[] and 38ee9f13 is the memory address, separated by an @. For display ...
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Multi-line regex support in Vim

...t of other differences between Vim and Perl regexes. Instead you can use \_., which means "match any single character including newline". It's a bit shorter than what you have. See :h /\_.. /This\_.*text/ share ...
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What is this weird colon-member (“ : ”) syntax in the constructor?

...tion about it in any good C++ book. You should, in most cases, initialize all member objects in the member initialization list (however, do note the exceptions listed at the end of the FAQ entry). The takeaway point from the FAQ entry is that, All other things being equal, your code will run...
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MVC (Laravel) where to add logic

... I think all patterns / architectures that you present are very useful as long as you follow the SOLID principles. For the where to add logic I think that it's important to refer to the Single Responsibility Principle. Also, my answe...
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javac is not recognized as an internal or external command, operable program or batch file [closed]

...nal or external command... error message. In a nutshell, you have not installed Java correctly. Finalizing the installation of Java on Windows requires some manual steps. You must always perform these steps after installing Java, including after upgrading the JDK. Environment variables and PATH (...
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SQL Server indexes - ascending or descending, what difference does it make?

...ces to rows. Since the table is clustered, the references to rows are actually the values of the pk. They are also ordered within each value of col1. This means that that leaves of the index are actually ordered on (col1, pk), and this query: SELECT col1, pk FROM mytable ORDER BY col1...
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How to Copy Text to Clip Board in Android?

... In androidx it actually becomes ClipboardManager clipboard = getSystemService(getContext(), ClipboardManager.class); – HoratioCain Apr 25 '19 at 18:30 ...
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Executing injected by innerHTML after AJAX call

There's a div called "Content": 11 Answers 11 ...