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Is there a performance gain in using single quotes vs double quotes in ruby?
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How to print register values in GDB?
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edited Mar 30 '14 at 19:59
Millie Smith
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Limitations of Intel Assembly Syntax Compared to AT&T [closed]
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ZifreZifre
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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]
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edited May 24 '10 at 3:30
answered May 24 '10 at 3:24
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How do you find the sum of all the numbers in an array in Java?
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In java-8 you can use streams:
int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);
Output:
The sum is 150.
It's in the package java.util.stream
import java.util.stream.*;
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What does `kill -0 $pid` in a shell script do?
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edited Nov 21 '14 at 22:18
slm
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Python memoising/deferred lookup property decorator
...dproperty
class Foo(object):
def __init__(self):
self.value = 4
@cachedproperty
def cached_prop(self):
self.value += 1
return self.value
f = Foo()
print(f.value) # initial value
print(f.cached_prop) # cached property is calculated
f.value = 1
print(f.cached_...
What Xcode keyboard shortcuts do you use regularly? [closed]
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254
I find the shortcuts to open & close various areas of the screen must useful.
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Drawing an SVG file on a HTML5 canvas
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Path2D is supported by all major browsers now
EDIT November 5th, 2014
You can now use ctx.drawImage to draw HTMLImageElements that have a .svg source in some but not all browsers. Chrome, IE11, and Safari work, Firefox works with some bugs (but nightly has fixed them).
var img = new Image();
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Ways to iterate over a list in Java
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Ted HoppTed Hopp
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