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Why functional languages? [closed]
I see a lot of talk on here about functional languages and stuff. Why would you use one over a "traditional" language? What do they do better? What are they worse at? What's the ideal functional programming application?
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?
...ave found that people are still writing their SQL queries in the ANSI-89 standard:
16 Answers
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How do I prevent Android taking a screenshot when my app goes to the background?
...R.layout.main);
}
}
This definitely secures against manual screenshots and automatic screenshots from the ICS recent-tasks history. It also secures against screen recording (e.g., apps using the media projection APIs).
UPDATE: it also secures against Now On Tap or other assistants on Android 6....
How do I set the path to a DLL file in Visual Studio?
...pending to the path PATH=C:\some-framework\lib;%PATH%
Hit F5 (debug) again and it should work.
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linux: kill background task
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There's a special variable for this in bash:
kill $!
$! expands to the PID of the last process executed in the background.
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How can I check if an element exists in the visible DOM?
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It seems some people are landing here, and simply want to know if an element exists (a little bit different to the original question).
That's as simple as using any of the browser's selecting method, and checking it for a truthy value (generally).
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Clear variable in python
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Open the python terminal and type print x and press enter. This will produce an interpreter error, as do most languages when you try to print an undefined variable. But if you define the variable, and then try to clear it with None, using the print ...
Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
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How to reload the current state?
I'm using Angular UI Router and would like to reload the current state and refresh all data / re-run the controllers for the current state and it's parent.
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Why are primes important in cryptography?
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Most basic and general explanation: cryptography is all about number theory, and all integer numbers (except 0 and 1) are made up of primes, so you deal with primes a lot in number theory.
More specifically, some important cryptographi...