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When should I use std::thread::detach?

...'s a situation when using detach would be a less evil alternative to, say, allocating thread object with dynamic storage duration and then purposely leaking it. #include <LegacyApi.hpp> #include <thread> auto LegacyApiThreadEntry(void) { auto result{NastyBlockingFunction()}; //...
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Append an object to a list in R in amortized constant time, O(1)?

... single operation occasionally takes much longer than normal (e.g. if a preallocated buffer is exhausted and occasionally requires resizing to a larger buffer size), as long as the long-term average performance is constant time, we'll still call it O(1). For comparison, I will also describe "linear...
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Cookie overflow in rails application?

...you're actually putting in cookies. If you need more than a couple of auth tokens, session ID's, and maybe a few layout/tracking cookies, you're living in the 90's. share | improve this answer ...
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Best practices: throwing exceptions from properties

...t won't; it could easily be calling code that does. Even the simple act of allocating a new object (like a string) could result in exceptions. You should always write your code defensively and expect exceptions from anything you invoke. ...
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Is there a way to get the XPath in Google Chrome?

...luate XPath/CSS selectors and highlight matching nodes in the DOM. Execute tokens $x("some_xpath") or $$("css-selectors") in Console panel, which will both evaluate and validate. From Elements panel Press F12 to open up Chrome DevTools. Elements panel should be opened by default. Press Ctrl + F t...
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do {…} while(false)

...t way to FORCE a semicolon after the macro invocation, absolutely no other token is allowed to follow. And another possibility is that there either once was a loop there or iteration is anticipated to be added in the future (e.g. in test-driven development, iteration wasn't needed to pass the tests...
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How can I view MSIL / CIL generated by C# compiler? Why is it called assembly?

...hen ILDasm comes in handy because it can show you the raw structure of IL, token tables etc. Again, most non-IL experts will be confused by those, so ILSpy is probably all you want and need. – Johannes Rudolph Jul 26 '17 at 15:15 ...
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Best TCP port number range for internal applications [closed]

...nts/service-names-port-numbers/service-names-port-numbers.txt look for the token Unassigned. share | improve this answer | follow | ...
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What are the advantages of NumPy over regular Python lists?

... (4 for type pointer, 4 for reference count, 4 for value -- and the memory allocators rounds up to 16). A NumPy array is an array of uniform values -- single-precision numbers takes 4 bytes each, double-precision ones, 8 bytes. Less flexible, but you pay substantially for the flexibility of standard...
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How to list all installed packages and their versions in Python?

... on windows. On linux it throws error: -bash: syntax error near unexpected token `(' – AjayKumarBasuthkar Mar 11 '16 at 15:24 ...