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Ternary operator is twice as slow as an if-else block?

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if a ngSrc path resolves to a 404, is there a way to fallback to a default?

...uld continue being displayed, but I think an error or placeholder would be more appropriate. Yes you could handle it in your model but the behavior of leaving an old image is, I think, more wrong than displaying an error. – Jason Goemaat Nov 27 '14 at 23:57 ...
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How can I find out what FOREIGN KEY constraint references a table in SQL Server?

... You should use the more focused sys.tables rather than sys.objects – marc_s Jul 6 '13 at 10:16 ...
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What's the difference between and , and ?

... - when you say "bold a word", people basically know that it means to add more, let's say "ink", around the letters until they stand out more amongst the rest of the letters. That, unfortunately, means nothing to a blind person. On mobile phones and other PDAs, text is already bold because screen...
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Hidden features of Perl?

...p first record ... } Run perldoc perlop and search for "flip-flop" for more information and examples. share answered Oct 2 '08 at 12:41 ...
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How do I return multiple values from a function? [closed]

...library got the NamedTuple class to make named tuples easier to create and more powerful. Inheriting from typing.NamedTuple lets you use docstrings, default values, and type annotations. Example (From the docs): class Employee(NamedTuple): # inherit from typing.NamedTuple name: str id: in...
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How do I prevent node.js from crashing? try-catch doesn't work

... after managing our code, app crashes, PM2 can restart it immediately. For more info, Installing and Running PM2 Now coming back to our solution to preventing the app itself from crashing. So after going through I finally came up with what Node document itself suggests: Don't use uncaughtExcep...
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how to unit test file upload in django

... Henning is technically correct -- this would be more of an integration test -- doesn't actually matter until you get into more complex code bases maybe even with an actual test team – Alvin May 2 '17 at 18:49 ...
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How to find time complexity of an algorithm

...ely cut it, but permutations are on that order - it's prohibitively steep, more so than any polynomial or exponential. There are exactly 10! seconds in six weeks but the universe is less than 20! seconds old. – John P Feb 25 '18 at 2:59 ...
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IIS_IUSRS and IUSR permissions in IIS8

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