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How to count the number of set bits in a 32-bit integer?
...ately to keep the table small.)
If you know that your bytes will be mostly 0's or mostly 1's then there are very efficient algorithms for these scenarios.
I believe a very good general purpose algorithm is the following, known as 'parallel' or 'variable-precision SWAR algorithm'. I have expressed th...
How do I output coloured text to a Linux terminal?
...quences are not supported, garbage will show up.
Example:
cout << "\033[1;31mbold red text\033[0m\n";
Here, \033 is the ESC character, ASCII 27. It is followed by [, then zero or more numbers separated by ;, and finally the letter m. The numbers describe the colour and format to switch to fr...
What's the difference between EscapeUriString and EscapeDataString?
...
answered Dec 9 '10 at 9:29
JclJcl
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Omit rows containing specific column of NA
... put it into a function thusly:
DF <- data.frame(x = c(1, 2, 3), y = c(0, 10, NA), z=c(NA, 33, 22))
completeFun <- function(data, desiredCols) {
completeVec <- complete.cases(data[, desiredCols])
return(data[completeVec, ])
}
completeFun(DF, "y")
# x y z
# 1 1 0 NA
# 2 2 10 33
...
Any way to delete in vim without overwriting your last yank? [duplicate]
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answered Sep 3 '10 at 18:29
dash-tom-bangdash-tom-bang
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Easy way to turn JavaScript array into comma-separated list?
...
805
The Array.prototype.join() method:
var arr = ["Zero", "One", "Two"];
document.write(arr...
How to use base class's constructors and assignment operator in C++?
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edited Dec 1 '09 at 7:22
answered Aug 4 '09 at 11:32
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Javascript web app and Java server, build all in Maven or use Grunt for web app?
...akes about ~35s when using Rhino and ~15s using Wro4j's Node support on a 2013 iMac with 16G of RAM. Using Grunt+Node takes about 2s on my puny MacBook Air.
JAWR - The integrations and feature list are pretty good but the docs aren't great and writing your own plugins can be a little tricky. When I ...
Should I pass an std::function by const-reference?
... Yakk - Adam NevraumontYakk - Adam Nevraumont
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Repeater, ListView, DataList, DataGrid, GridView … Which to choose?
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answered Sep 26 '08 at 12:55
WebDudeWebDude
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