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Good reasons to prohibit inheritance in Java?
...ay this was allowed and this new class was called DerivedInteger, it still doesn't change the original Integer class, and whoever uses DerivedInteger does so at their own risk, so I still don't get why it's a problem.
– Siddhartha
Jul 5 '17 at 22:03
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How do you simulate Mouse Click in C#?
...unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature. Any ideas?
– Abdulla
Jun 8 ...
PostgreSQL: How to pass parameters from command line?
...way you can always execute it in this order (the query prepared only if it does not prepared yet), repeat the execution and get the result from the last query.
UILabel is not auto-shrinking text to fit label size
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Yes auto shrink doesn't work for multiple lines in UILabel. Try to imagine this: you have text with multiple lines, you want to shrink it so that it "fit" with the width. So should it shrink the whole text to fit in one line, or words stay i...
Filtering for empty or NULL names in a queryset
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I believe that your edit is wrong: Chaining filter does NOT automatically create an SQL OR (only in this case), it produces an SQL AND. See this page for reference: docs.djangoproject.com/en/dev/topics/db/queries/… The advantage of chaining is that you can mix exclude and f...
Format XML string to print friendly XML string
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This one, from kristopherjohnson is heaps better:
It doesn't require an XML document header either.
Has clearer exceptions
Adds extra behaviour options: OmitXmlDeclaration = true, NewLineOnAttributes = true
Less lines of code
static string PrettyXml(string xml)
{
var strin...
Return a “NULL” object if search result not found
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boost::optional does not involve much overhead (no dynamic allocation), which is why it's so great. Using it with polymorphic values requires wrapping references or pointers.
– Matthieu M.
Apr 14 '10 at...
Case-Insensitive List Search
...f strings. I would like to add a new string into the testList only if it doesn't already exist in the list. Therefore, I need to do a case-insensitive search of the list and make it efficient. I can't use Contains because that doesn't take into account the casing. I also don't want to use ToUpp...
How to pass boolean values to a PowerShell script from a command prompt
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It appears that powershell.exe does not fully evaluate script arguments when the -File parameter is used. In particular, the $false argument is being treated as a string value, in a similar way to the example below:
PS> function f( [bool]$b ) { $b }; f...
Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
...ample displayname = user.name || "Anonymous" .
But Javascript currently doesn't have the other functionality. I'd recommend looking at CoffeeScript if you want an alternative syntax. It has some shorthand that is similar to what you are looking for.
For example The Existential Operator
zip = ...