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How can I round down a number in Javascript?
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Using Math.floor() is one way of doing this.
More information: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/floor
shar...
Difference between Math.Floor() and Math.Truncate()
What is the difference between Math.Floor() and Math.Truncate() in .NET?
12 Answers
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How do you get the length of a list in the JSF expression language?
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Using fn:length worked for me with bare JSP (no JSF, Facelets; ultra legacy project being lightly updated before being phased out). The proper taglib to use: <%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
– Christ...
Generate random password string with requirements in javascript
...es(result);
return result[0];
}
else
{
return Math.floor(Math.random() * 256);
}
},
generate : function(length)
{
return Array.apply(null, {'length': length})
.map(function()
{
var result;
while(true)
{
result = ...
Cast to int vs floor
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Casting to an int will truncate toward zero. floor() will truncate toward negative infinite. This will give you different values if bar were negative.
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improve ...
What is the behavior of integer division?
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Will result always be the floor of the division? What is the defined behavior?
Yes, integer quotient of the two operands.
6.5.5 Multiplicative operators
6 When integers are divided, the result of the / operator is the algebraic quotient wi...
Java rounding up to an int using Math.ceil
...ption 1
int n = a / b + ((a % b == 0) ? 0 : 1);
You do a / b with always floor if a and b are both integers. Then you have an inline if-statement witch checks whether or not you should ceil instead of floor. So +1 or +0, if there is a remainder with the division you need +1. a % b == 0 checks for ...
Check time difference in Javascript
...nds to hour, minute and seconds like this:
var msec = diff;
var hh = Math.floor(msec / 1000 / 60 / 60);
msec -= hh * 1000 * 60 * 60;
var mm = Math.floor(msec / 1000 / 60);
msec -= mm * 1000 * 60;
var ss = Math.floor(msec / 1000);
msec -= ss * 1000;
// diff = 28800000 => hh = 8, mm = 0, ss = 0, m...
Knight's Shortest Path on Chessboard
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It should be 2 * floor((y - delta) / 3) + delta and delta - 2 * floor((delta - y) / 4). This is official solution from this contest page, but it's wrong. This first equation (from if) returns wrong answers. On the chessboard [-1000..1000] x [...
Role/Purpose of ContextLoaderListener in Spring?
...play-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>dispatcher</servlet-name>
<servlet-class>
org.springframework.web.servlet.DispatcherServlet
</s...