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Standard deviation of a list
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pure python code:
from math import sqrt
def stddev(lst):
mean = float(sum(lst)) / len(lst)
return sq
Best way to change the background color for an NSView
... I tried NSRectFill but the transparency didn't work. I'm coming to Cocoa from Cocoa Touch, and surprised to see that in some ways the Cocoa Touch framework is more complete (!). I was thinking of making a class extension for NSView that would allow you to set backgroundColor like you can an NSWin...
Overflow Scroll css is not working in the div
...verflow-y:scroll;
position:relative;
height: 300px;
}
JSFIDDLE
From documentation:
overflow-y
The overflow-y CSS property specifies whether to clip content, render a scroll bar, or display overflow content of a block-level element, when it overflows at the top and bottom edges.
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How can I pad a String in Java?
...ue holds the String we want to pad
String value = "123";
Substring start from the value length char index until end length of padded:
String padded="00000000".substring(value.length()) + value;
// now padded is "00000123"
More precise
pad right:
String padded = value + ("ABCDEFGH".substring...
getting the last item in a javascript object
...ies were actually ordered randomly. The actual property order is different from what is displayed when logged to your browsers console. When logged to the browser console, properties are automatically reordered and displayed alphabetically/numerically, which definitely causes some confusion.
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How can I programmatically determine if my app is running in the iphone simulator?
...fines are set up by Xcode when compiling for iPhone
I'll repeat my answer from there:
It's in the SDK docs under "Compiling source code conditionally"
The relevant definition is TARGET_OS_SIMULATOR, which is defined in /usr/include/TargetConditionals.h within the iOS framework. On earlier version...
Adding div element to body or document in JavaScript
...lwithe The jQuery version is acceptable, but you may wish to create a node from scratch and apply the styles individually if you need more clarity in your code.
– MacroMan
Mar 22 '18 at 8:59
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Convert tuple to list and back
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Why don't you try converting its type from a tuple to a list and vice versa.
level1 = (
(1,1,1,1,1,1)
(1,0,0,0,0,1)
(1,0,0,0,0,1)
(1,0,0,0,0,1)
(1,0,0,0,0,1)
(1,1,1,1,1,1))
print(level1)
level1 = list(level1)
print(level1)
level...
The term 'Update-Database' is not recognized as the name of a cmdlet
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If you use Entity Framework:
Error Message:
"Error Message (from the Update-Database command in the PMC):
The term 'Update-Database' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, ver...
Create a .txt file if doesn't exist, and if it does append a new line
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There's no point in calling Close() from a using statement, as all resources will be closed before being disposed automatically.
– Sheridan
Mar 14 '16 at 15:35
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