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How to get my IP address programmatically on iOS/macOS?

...ically. How can I query the networking subsystem to find out what my IPv4 (and IPv6) addresses are? 10 Answers ...
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How to get current timestamp in milliseconds since 1970 just the way Java gets

...ime units in a type-safe way so the compiler can enforce unit conversions, and works with normal arithmetic operators (adding timeval structs is annoying). – Oz. Nov 10 '16 at 19:02 ...
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How to get process ID of background process?

I start a background process from my shell script, and I would like to kill this process when my script finishes. 7 Answers...
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Is the “struct hack” technically undefined behavior?

... It's not clear if it's legal or portable, but it is rather popular. and: ... an official interpretation has deemed that it is not strictly conforming with the C Standard, although it does seem to work under all known implementations. (Compilers which check array bounds carefully might iss...
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Populating a database in a Laravel migration file

I'm just learning Laravel, and have a working migration file creating a users table. I am trying to populate a user record as part of the migration: ...
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What is meant by immutable?

...nterface is immutable but behind the scenes actual mutables private state (and therefore can't be shared safely between threads). share | improve this answer | follow ...
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Test whether string is a valid integer

...l script. If the user provided a valid integer, the script does one thing, and if not valid, it does something else. Trouble is, I haven't found an easy (and reasonably elegant) way of doing this - I don't want to have to pick it apart char by char. ...
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Correct way to detach from a container without stopping it

...ctional OS. When you run a container the process you launch take the PID 1 and assume init power. So when that process is terminated the daemon stop the container until a new process is launched (via docker start) (More explanation on the matter http://phusion.github.io/baseimage-docker/#intro) If ...
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CSS transition effect makes image blurry / moves image 1px, in Chrome?

...ecially the image-rendering CSS property. For best practice accessibility and SEO wise you could replace the background image with an <img> tag using object-fit CSS property. Original answer Try this in your CSS: .your-class-name { /* ... */ -webkit-backface-visibility: hidden; ...
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Why must we define both == and != in C#?

..., you can compile this into a working library. This is legal code for F#, and only overloads the equality operator, not the inequality: module Module1 type Foo() = let mutable myInternalValue = 0 member this.Prop with get () = myInternalValue and set (value) = myInternalVa...