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How to manually deprecate members

... Starting Swift 3 and Swift 4, the version number is optional. You can now simply type: @available(*, deprecated) func foo() { // ... } Or if you want a message go along with it: @available(*, deprecated, message: "no longer available ...") func foo() { // ... } ...
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Where is the C auto keyword used?

... If you'd read the IAQ (Infrequently Asked Questions) list, you'd know that auto is useful primarily to define or declare a vehicle: auto my_car; A vehicle that's consistently parked outdoors: extern auto my_car; For those who lack any sense of humor and want "just the facts Ma'am": th...
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Android: How to stretch an image to the screen width while maintaining aspect ratio?

I want to download an image (of unknown size, but which is always roughly square) and display it so that it fills the screen horizontally, and stretches vertically to maintain the aspect ratio of the image, on any screen size. Here is my (non-working) code. It stretches the image horizontally, but n...
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What are the options for storing hierarchical data in a relational database? [closed]

...ierarchy and use Nested Sets to query the hierarchy. The problem up until now has been that the coversion method from an Adjacecy List to Nested Sets has been frightfully slow because most people use the extreme RBAR method known as a "Push Stack" to do the conversion and has been considered to be ...
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Mercurial error: abort no username supplied

...onfig, and this help text explicitly tells you how to add a username -- I know since I wrote that help text :-) How should we improve the error message to make this more clear? Edit: Since I wrote this in 2010, we've managed to screw this up by making hg help config include help for all config set...
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Gradle alternate to mvn install

...t if he wants to create a new project, example2, which also relies on sdk? Now he has to put 2 unrelated projects under a root project just because they share a dependency? You would think this entire 'multi-project' setup would be 1 Git project as well. Again, is this bad for company / multi-devel...
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Is there a way to filter network requests using Google Chrome developer tools?

... Thanks, the domain: part is exactly what I was looking for right now. That and a bunch of others are currently covered in the documentation linked from the other answer – JMM May 26 '16 at 15:27 ...
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In PHP with PDO, how to check the final SQL parametrized query? [duplicate]

... Accepting this for now as it makes sense. It's not very convenient for debugging then... – JB Hurteaux Nov 23 '09 at 22:32 2...
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Linux: copy and create destination dir if it does not exist

... might have a shell that doesn't support this construct. However, I don't know of any modern shells that don't support $_; certainly Bash, Dash, and zsh all do. A final note: the command I've given at the start of this answer assumes that your directory names don't have spaces in. If you're deali...
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What is the difference between class and instance methods?

... be memory managed, great for temperorary arrays and what not. I hope you now understand when and/or why you should use class methods!! share | improve this answer | follow ...