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Where can I find the “clamp” function in .NET?
...n, T max) where T : IComparable<T>
{
if (val.CompareTo(min) < 0) return min;
else if(val.CompareTo(max) > 0) return max;
else return val;
}
Extension methods go in static classes - since this is quite a low-level function, it should probably go in some core namespace in your...
Get a CSS value with JavaScript
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Josh Schultz
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answered Jun 14 '11 at 1:40
alexalex
420k1...
How to get the last character of a string in a shell?
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101
That's one of the reasons why you need to quote your variables:
echo "${str:$i:1}"
Otherwise, ...
Imitating a blink tag with CSS3 animations
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The original Netscape <blink> had an 80% duty cycle. This comes pretty close, although the real <blink> only affects text:
.blink {
animation: blink-animation 1s steps(5, start) infinite;
-webkit-animation: blink-animation 1s steps(5, start) infi...
Remove columns from dataframe where ALL values are NA
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160
Try this:
df <- df[,colSums(is.na(df))<nrow(df)]
...
How can I scan barcodes on iOS?
...ial C++ port of the core library. The port is a little old, from circa the 0.9 release of the Java code, but should still work reasonably well.
If you need to scan other formats, like 1D formats, you could continue the port of the Java code within this project to C++.
EDIT: Barcodes and the iphone...
How to use int.TryParse with nullable int? [duplicate]
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answered Aug 2 '10 at 18:44
Jon SkeetJon Skeet
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JavaScript: location.href to open in new window/tab?
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alexalex
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PHP 5.4 Call-time pass-by-reference - Easy fix available?
...lone are enough to correctly pass the argument by reference. As of PHP 5.3.0, you will get a warning saying that "call-time pass-by-reference" is deprecated when you use & in foo(&$a);.
For example, instead of using:
// Wrong way!
myFunc(&$arg); # Deprecated pass-by-refe...
In Python, how do I index a list with another list?
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answered Jun 18 '09 at 11:38
vanvan
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