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Is there a good JavaScript minifier? [closed]
...smaller size than YUI, and it's safe as well
– gblazex
Aug 19 '10 at 9:57
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Virtual functions and performance - C++
In my class design, I use abstract classes and virtual functions extensively. I had a feeling that virtual functions affects the performance. Is this true? But I think this performance difference is not noticeable and looks like I am doing premature optimization. Right?
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Dynamic variable names in Bash
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declare "magic_variable_$1=$(ls | tail -1)"
and use indirect parameter expansion to access the value.
var="magic_variable_$1"
echo "${!var}"
See BashFAQ: Indirection - Evaluating indirect/reference variables.
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How to validate GUID is a GUID
...nputString)
(http://msdn.microsoft.com/en-us/library/system.guid.parse.aspx)
bool isValid = Guid.TryParse(inputString, out guidOutput)
http://msdn.microsoft.com/en-us/library/system.guid.tryparse.aspx
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Should you declare methods using overloads or optional parameters in C# 4.0?
...onal back in my VB6 days and have since missed it, it will reduce a lot of XML comment duplication in C#.
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Copying text with color from Notepad++
Is there a way to copy the text from a Notepad ++ file with color?
9 Answers
9
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Print second last column/field in awk
...print $--NF}'
The reason the original $NF-- didn't work is because the expression is evaluated before the decrement, whereas my prefix decrement is performed before evaluation.
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CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False
I use Django 1.6.5 in my program txsite with the settings:
8 Answers
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What is the difference between the kernel space and the user space?
...ormal programs run in user space. User space is basically a form of sand-boxing -- it restricts user programs so they can't mess with memory (and other resources) owned by other programs or by the OS kernel. This limits (but usually doesn't entirely eliminate) their ability to do bad things like cra...