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How to round a number to significant figures in Python
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20 Answers
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Active
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Getting the minimum of two values in SQL
...s Inline table valued UDF
CREATE FUNCTION Minimum
(@Param1 Integer, @Param2 Integer)
Returns Table As
Return(Select Case When @Param1 < @Param2
Then @Param1 Else @Param2 End MinValue)
Usage:
Select MinValue as PaidforPast
From dbo.Minimum(@PaidThisMonth, @OwedPast)
ADDE...
The program can't start because libgcc_s_dw2-1.dll is missing
...mpiler issue, rather than a Microsoft Visual Studio setup.
The libgcc_s_dw2-1.dll should be in the compiler's bin directory. You can add this directory to your PATH environment variable for runtime linking, or you can avoid the problem by adding "-static-libgcc -static-libstdc++" to your compiler ...
How to show line number when executing bash script
...or example, if your script reads:
$ cat script
foo=10
echo ${foo}
echo $((2 + 2))
Executing it thus would print line numbers:
$ PS4='Line ${LINENO}: ' bash -x script
Line 1: foo=10
Line 2: echo 10
10
Line 3: echo 4
4
http://wiki.bash-hackers.org/scripting/debuggingtips gives the ultimate PS4 t...
How can I add new array elements at the beginning of an array in Javascript?
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12 Answers
12
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Bootstrap 3: pull-right for col-lg only
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You could put "element 2" in a smaller column (ie: col-2) and then use push on larger screens only:
<div class="row">
<div class="col-lg-6 col-xs-6">elements 1</div>
<div class="col-lg-6 col-xs-6">
<div cla...
Pan & Zoom Image
...(ScaleTransform)image.RenderTransform;
double zoom = e.Delta > 0 ? .2 : -.2;
st.ScaleX += zoom;
st.ScaleY += zoom;
}
To handle the panning the first thing I did was to handle the MouseLeftButtonDown event on the image, to capture the mouse and to record it's location, I also store t...
How do I find the caller of a method using stacktrace or reflection?
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12 Answers
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How to remove an element from an array in Swift
....g:
var animals = ["cats", "dogs", "chimps", "moose"]
animals.remove(at: 2) //["cats", "dogs", "moose"]
A non-mutating alternative that will keep the original collection unchanged is to use filter to create a new collection without the elements you want removed, e.g:
let pets = animals.filter ...
How do you round a floating point number in Perl?
...ntf() or printf() is usually the easiest
route.
printf("%.3f", 3.1415926535); # prints 3.142
The POSIX module (part of the standard Perl distribution) implements
ceil(), floor(), and a number of other mathematical and trigonometric
functions.
use POSIX;
$ceil = ceil(3.5); ...