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How can I check if multiplying two numbers in Java will cause an overflow?
...he reason this works is that for integer n, n > x is the same as n > floor(x). For positive integers division does an implicit floor. (For negative numbers it rounds up instead)
– Thomas Ahle
May 5 '15 at 22:44
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How to get a number of random elements from an array?
...re elements taken than available");
while (n--) {
var x = Math.floor(Math.random() * len);
result[n] = arr[x in taken ? taken[x] : x];
taken[x] = --len in taken ? taken[len] : len;
}
return result;
}
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Fast ceiling of an integer division in C / C++
...er values x and y , C and C++ both return as the quotient q = x/y the floor of the floating point equivalent. I'm interested in a method of returning the ceiling instead. For example, ceil(10/5)=2 and ceil(11/5)=3 .
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How to debug a GLSL shader?
...NT-1.0)*saturate((value-minValue)/(maxValue-minValue));
float indexMin=floor(ratio);
float indexMax=min(indexMin+1,HEATMAP_COLORS_COUNT-1);
return lerp(colors[indexMin], colors[indexMax], ratio-indexMin);
}
Then in your pixel shader you just output something like:
return HeatMapColo...
Eclipse: Set maximum line length for auto formatting?
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For HTML / PHP / JSP / JSPF: Web -> HTML Files -> Editor -> Line width
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Divide a number by 3 without using *, /, +, -, % operators
...) / 3
So sum += a, n = a + b, and iterate
When a == 0 (n < 4), sum += floor(n / 3); i.e. 1, if n == 3, else 0
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How do I get the coordinates of a mouse click on a canvas element?
...tX + document.body.scrollLeft + document.documentElement.scrollLeft - Math.floor(canoffset.left);
y = event.clientY + document.body.scrollTop + document.documentElement.scrollTop - Math.floor(canoffset.top) + 1;
return [x,y];
}
This also requires jQuery for $(canvas).offset().
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How to use a servlet filter in Java to change an incoming servlet request url?
...ss/method behaviour in detail? At any way, you can find here and here good JSP/Servlet tutorials, specifically this one about filters.
– BalusC
Apr 27 '10 at 21:26
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Servlet for serving static content
... think it's bad idea use *.sth. If somebody will get url example.com/index.jsp?g=.sth he will get the source of jsp file. Or I'm wrong? (I'm new in Java EE) I usually use url pattern /css/* and etc.
– SemperPeritus
Jun 2 '17 at 15:48
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What is the difference between JDK and JRE?
...he JDK installed. For example, if you are deploying a web application with JSP, you are technically just running Java programs inside the application server. Why would you need the JDK then? Because the application server will convert JSP into Java servlets and needs to use the JDK to compile the se...