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onMeasure custom view explanation
...ure(int widthMeasureSpec, int heightMeasureSpec) {
int desiredWidth = 100;
int desiredHeight = 100;
int widthMode = MeasureSpec.getMode(widthMeasureSpec);
int widthSize = MeasureSpec.getSize(widthMeasureSpec);
int heightMode = MeasureSpec.getMode(heightMeasureSpec);
int hei...
How do I measure the execution time of JavaScript code with callbacks?
...sion = 3; // 3 decimal places
var elapsed = process.hrtime(start)[1] / 1000000; // divide by a million to get nano to milli
console.log(process.hrtime(start)[0] + " s, " + elapsed.toFixed(precision) + " ms - " + note); // print message + time
start = process.hrtime(); // reset the timer
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How do I vertically align text in a div?
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not working with percent: height:100%; line-height:100%
– albanx
Jul 2 '15 at 13:41
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How to do math in a Django template?
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You can use the add filter:
{{ object.article.rating_score|add:"-100" }}
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What does O(log n) mean exactly?
...t takes 1 second to compute 10 elements, it will take 2 seconds to compute 100 elements, 3 seconds to compute 1000 elements, and so on.
It is O(log n) when we do divide and conquer type of algorithms e.g binary search. Another example is quick sort where each time we divide the array into two pa...
Get all unique values in a JavaScript array (remove duplicates)
... The option "filter + indexOf" is extremely slow on arrays over 100.000 items. I had to use "object map" approach however it breaks original sorting.
– liberborn
Sep 14 '17 at 13:18
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Why do x86-64 systems have only a 48 bit virtual address space?
...emory mapped peripherals, BIOS, etc. Some other 8088/8086 designs (Zenith Z100, if memory serves) designated less for peripherals and such, and correspondingly more for application programs.
– Jerry Coffin
Jul 16 '11 at 19:30
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Sorting an IList in C#
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+100
This question inspired me to write a blog post: http://blog.velir.com/index.php/2011/02/17/ilistt-sorting-a-better-way/
I think tha...
Is the “struct hack” technically undefined behavior?
...ch happens to point to an object which can legally be interpreted as char [100]; inside the allocated object.
– R.. GitHub STOP HELPING ICE
Sep 14 '10 at 23:34
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Overlaying histograms with ggplot2 in R
...'s a concrete example with some output:
dat <- data.frame(xx = c(runif(100,20,50),runif(100,40,80),runif(100,0,30)),yy = rep(letters[1:3],each = 100))
ggplot(dat,aes(x=xx)) +
geom_histogram(data=subset(dat,yy == 'a'),fill = "red", alpha = 0.2) +
geom_histogram(data=subset(dat,yy == 'b'...