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Printing the correct number of decimal points with cout
...et the 'float mode' to fixed.
float num = 15.839;
// this will output 15.84
std::cout << std::fixed << "num = " << std::setprecision(2) << num << std::endl;
share
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...
Cleaning `Inf` values from an R dataframe
...me(is.na(dat) <- sapply(dat, is.infinite))
# user system elapsed
# 32.96 0.07 33.12
# modified is.na
system.time(is.na(dat) <- do.call(cbind,lapply(dat, is.infinite)))
# user system elapsed
# 1.22 0.38 1.60
# data.table (@mnel)
system.time(invisible(lapply(names(DT),functi...
Git, fatal: The remote end hung up unexpectedly
...
84
Cause : The default file post size for Git has been exceeded.
Solution :
Navigate to repo.
...
MySQL Workbench Dark Theme
...o" /> <!-- SCE_MYSQL_USER2 -->
<style id="84" fore-color="#B9CB89" back-color="#707070" bold="No" /> <!-- SCE_MYSQL_USER3 -->
<style id="85" fore-color="#FFBB80" back-color="#909090" bold="No" /> <!-- SCE_MYSQL_HIDDENCOMMAND ...
How to save an HTML5 Canvas as an image on a server?
...t.stroke();
</script>
Convert canvas image to URL format (base64)
var dataURL = canvas.toDataURL();
Send it to your server via Ajax
$.ajax({
type: "POST",
url: "script.php",
data: {
imgBase64: dataURL
}
}).done(function(o) {
console...
A top-like utility for monitoring CUDA activity on a GPU
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84
I'm not aware of anything that combines this information, but you can use the nvidia-smi tool t...
Qt: can't find -lGL error
...u/mesa/libGL.so.1
/usr/lib/i386-linux-gnu/mesa/libGL.so.1.2.0
/usr/lib/x86_64-linux-gnu/libGLEW.so.1.10
/usr/lib/x86_64-linux-gnu/libGLEW.so.1.10.0
/usr/lib/x86_64-linux-gnu/libGLEWmx.so.1.10
/usr/lib/x86_64-linux-gnu/libGLEWmx.so.1.10.0
/usr/lib/x86_64-linux-gnu/libGLU.so.1
/usr/lib/x86_64-linux-gn...
How to display a Yes/No dialog box on Android?
...
Gene Bo
7,50966 gold badges6060 silver badges108108 bronze badges
answered Aug 31 '12 at 10:29
nikkinikki
...
How can I increment a date by one day in Java?
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84
java.time
On Java 8 and later, the java.time package makes this pretty much automatic. (Tutori...
Favorite Django Tips & Features?
...
96
votes
Virtualenv + Python = life saver if you are working on multiple Django proje...