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Printing the correct number of decimal points with cout
...es
First adding the header to use setprecision
#include <iomanip>
Then adding the following code in our main
double answer=5.9999;
double answer2=5.0000;
cout<<setprecision(2)<<fixed;
cout <<answer << endl;
cout <<answer2 << endl;
Output:
5....
How to submit form on change of dropdown list?
...ist and once the user selects a value he has to click on the go button and then the value is sent to the Servlet.
5 Answers...
static files with express.js
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If there is only ONE parameter - then express.static expects that one parameter to be path....
– Seti
Dec 16 '16 at 8:21
add a commen...
How to export all collections in MongoDB?
...parameters (database name, dir to store files).
#!/bin/bash
if [ ! $1 ]; then
echo " Example of use: $0 database_name [dir_to_store]"
exit 1
fi
db=$1
out_dir=$2
if [ ! $out_dir ]; then
out_dir="./"
else
mkdir -p $out_dir
fi
tmp_file="fadlfhsdofheinwvw.js"
echo "pri...
How to change SmartGit's licensing option after 30 days of commercial use on ubuntu?
...ng option, because I was just clicking "next" button : ) (30 day trial and then you have to buy it). Now today is my 31st day of using SG and I can't change my licensing options (reinstalling smartgit doesn't help) and I'm not able to use SG anymore without paying (I'm not using it for commercial pu...
What is a PDB file?
...ur original *.pdb files created during the build process are not preserved then Visual Studio will not be able to make out the exact line of code which is causing crash.
If you still want to disable generation of *.pdb files altogether for any release then go to properties of the project -> Buil...
Javascript/jQuery: Set Values (Selection) in a multiple Select
...true.
Note: Array#from transforms an array-like object into an array and then you are able to use Array.prototype functions on it, like find or map.
var values = "Test,Prof,Off",
options = Array.from(document.querySelectorAll('#strings option'));
values.split(',').forEach(function(v) ...
Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
...ffectively, I would like it to stick to the bottom as you scroll down, and then as soon as you scroll back up I would like it to stick to the top, in a fluid motion (no jumping). I am unable to find an example of what I am trying to achieve, so I have created an image that I hope will illustrate the...
How to tell which version of a gem a rails app is using
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If you use bundler, then you can get the version from
bundle show [gemname]
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Losing scope when using ng-include
... if you restructure your HTML, it might not work anymore. E.g., you might then need to use $parent.$parent... to get it to work. Put another way, using $parent makes assumptions about the DOM structure.
– Mark Rajcok
Dec 20 '13 at 22:43
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