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How to sum array of numbers in Ruby?
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100
array.map(&:price).inject(0, :+) is a bit safer. It makes sure that if you have an empty list you get 0 instead of nil.
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Changing image size in Markdown
...e the image. Do not forget the space before the =.
You can skip the HEIGHT
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Why use finally in C#?
...atements can execute even after return.
private int myfun()
{
int a = 100; //any number
int b = 0;
try
{
a = (5 / b);
return a;
}
catch (Exception ex)
{
Response.Write(ex.Message);
return a;
}
// Response.Write("Statement after ret...
How can I format a String number to have commas and round?
...uble amount = Double.parseDouble(number);
Code sample:
String number = "1000500000.574";
double amount = Double.parseDouble(number);
DecimalFormat formatter = new DecimalFormat("#,###.00");
System.out.println(formatter.format(amount));
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CSS div element - how to show horizontal scroll bars only?
...otted 1px;
white-space:nowrap;
overflow-x:auto;
}
.box{
width:100px;
height:180px;
background-color: red;
margin:10px;
display:inline-block
}
Take a look at DEMO
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How do I pause my shell script for a second before continuing?
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100
And what about:
read -p "Press enter to continue"
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Convert DOS line endings to Linux line endings in Vim
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100
I prefer to use the following command:
:set fileformat=unix
You can also use mac or dos to re...
Convert datetime object to a String of date only in Python
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+100
date and datetime objects (and time as well) support a mini-language to specify output, and there are two ways to access it:
direc...
Mailto links do nothing in Chrome but work in Firefox?
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+100
This is browser settings specific, i.e. it will behave differently depending on the user's browser settings. The user can change how...
Using DISTINCT and COUNT together in a MySQL Query
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Fantastic answer. His answer is at least 100 times more faster in my case. A slight alteration for understanding @Alistair's code is SELECT count(*) FROM (SELECT distinct productId WHERE keyword = '$keyword') temp
– KarthikS
Ma...