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Relative paths based on file location instead of current working directory [duplicate]

... have readlink, but has POSIX-compatible utilities - e.g., HP-UX (thanks, @Charles Duffy). The following solution, inspired by https://stackoverflow.com/a/1116890/45375, defines helper shell function, rreadlink(), which resolves a given symlink to its ultimate target in a loop - this function is i...
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Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m

... public interface IXmlCupboardAccess { bool IsDataEntityInXmlCupboard(string dataId, out string nameInCupboard, out string refTypeInCupboard, string nameTemplate = null); } And instead of private Mock<XmlCupboardAccess> _xmlCupboardAccess = new Mock<XmlCupboardAccess>(); change...
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What is the difference between return and return()?

...t starts the return statement, not a function. As has been mentioned, the extra parentheses affect evaluation order, but are not used to "execute" the function named return. That is why these lines work without any problems: return (1); var a = (1); They are, in effect, identical to these lines:...
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How to detect if a variable is an array

...ternal [[Class]] property of the object. To get it, use Object.prototype.toString() (this is guaranteed to work by ECMA-262): Object.prototype.toString.call(obj) === '[object Array]' Both methods will only work for actual arrays and not array-like objects like the arguments object or node lists. ...
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How do I convert seconds to hours, minutes and seconds?

...perations: m, s = divmod(seconds, 60) h, m = divmod(m, 60) And then use string formatting to convert the result into your desired output: print('{:d}:{:02d}:{:02d}'.format(h, m, s)) # Python 3 print(f'{h:d}:{m:02d}:{s:02d}') # Python 3.6+ ...
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How to read from standard input in the console?

... bufio.NewReader(os.Stdin) fmt.Print("Enter text: ") text, _ := reader.ReadString('\n') fmt.Println(text) As it works on my machine. However, for the next block you need a pointer to the variables you're assigning the input to. Try replacing fmt.Scanln(text2) with fmt.Scanln(&text2). Don't use...
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What do Clustered and Non clustered index actually mean?

...Ordoñez: Sure, you can use almost any that's stored in-row, so no XML, VARCHAR(MAX), or VARBINARY(MAX). Note that it usually makes sense to cluster on the date field first, as a clustered index is most efficient for range scans, which are most common on date types. YMMV. – u...
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How to recover a dropped stash in Git?

...nt $3}' ...or using Powershell for Windows: git fsck --no-reflog | select-string 'dangling commit' | foreach { $_.ToString().Split(" ")[2] } This will show you all the commits at the tips of your commit graph which are no longer referenced from any branch or tag – every lost commit, including ev...
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How to call an async method from a getter or setter?

...alue will get populated without blocking the UI, when getTitle() returns. string _Title; public string Title { get { if (_Title == null) { Deployment.Current.Dispatcher.InvokeAsync(async () => { Title = await getTitle(); }); } return _Title;...
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What are database normal forms and can you give examples? [closed]

...Normal Form requires everything that the lower normal forms had, plus some extra conditions, which must all be fulfilled. share | improve this answer | follow ...