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How do I make my GUI behave well when Windows font scaling is greater than 100%
...file was last saved.
const
SmallFontsPixelsPerInch = 96;
function ScaleFromSmallFontsDimension(const X: Integer): Integer;
begin
Result := MulDiv(X, Screen.PixelsPerInch, SmallFontsPixelsPerInch);
end;
So, continuing the theme, another thing to be wary of is that if your project is developed...
Ternary operator is twice as slow as an if-else block?
...llows the X64 JIT to perform the inner loop entirely using registers aside from loading i from the array, while the X86 JIT places several stack operations (memory access) in the loop.
value is a 64-bit integer, which requires 2 machine instructions on X86 (add followed by adc) but only 1 on X64 (ad...
In Java, are enum types inside a class static?
I can't seem to access instance members of the surrounding class from inside an enum, as I could from inside an inner class. Does that mean enums are static? Is there any access to the scope of the surrounding class's instance, or do I have to pass the instance into the enum's method where I need it...
What is the meaning of erb?
...".js.erb" or ".rxml" to ".xml.erb"
This format separates out content type from template engine which is "erb" in this case.
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What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...mance increase when using new Array() because you can prevent the overflow from happening.
As pointed out in this answer, new Array(5) will not actually add five undefined items to the array. It simply adds space for five items. Be aware that using Array this way makes it difficult to rely on array...
Downcasting shared_ptr to shared_ptr?
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I didn't understand from the first line that he's not using std::shared_ptr. But from the comments of the first answer I inferred that he's not using boost, so he may be using std::shared_ptr.
– Massood Khaari
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When should we call System.exit in Java
...lease other resources. If there are no other non-daemon threads, returning from main will shut down the JVM and will call the shutdown hooks.
For some reason shutdown hooks seem to be an undervalued and misunderstood mechanism, and people are reinventing the wheel with all kind of proprietary custo...
I want to delete all bin and obj folders to force all projects to rebuild everything
... "%%G was unexpected at this time" - this happens when you run it from the command line instead from inside a batch file. Use single '%'s in this case.
– Designpattern
Jan 11 '12 at 9:05
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How to turn on WCF tracing?
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The following configuration taken from MSDN can be applied to enable tracing on your WCF service.
<configuration>
<system.diagnostics>
<sources>
<source name="System.ServiceModel"
switchValue="Information, Acti...
Express.js: how to get remote client address
...note: This can return a comma separated list of IP addresses. We had a bug from a dev copying this and comparing the result to an IP. Perhaps do something like var ip = (req.headers['x-forwarded-for'] || req.connection.remoteAddress || '').split(',')[0].trim(); to get client IP.
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