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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
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edited Oct 7 '09 at 0:02
answered Oct 6 '09 at 23:52
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Add subdomain to localhost URL
...en (as root) the file /etc/hosts and add a line (or lines) like this:
127.0.0.1 example.com
127.0.0.1 subdomain.example.com
Your computer will now treat both example.com and subdomain.example.com as belonging to itself. If you visit either in your web browser, they will work the same, in pr...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
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230
For fitting y = A + B log x, just fit y against (log x).
>>> x = numpy.array([1, 7, 20...
Add zero-padding to a string
How do I add "0" padding to a string so that my string length is always 4?
5 Answers
5...
Cron job every three days
Is it possible to run a cronjob every three days? Or maybe 10 times/month.
11 Answers
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Fastest way to flatten / un-flatten nested JSON objects
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+500
Here's my much shorter implementation:
Object.unflatten = function(data) {
"use strict";
if (Object(data) !== data || Array....
Programmatically create a UIView with color gradient
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702
Objective-C:
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 320, 50)];
CAGradie...
How to avoid the “divide by zero” error in SQL?
... by zero" error we have programmed it like this:
Select Case when divisor=0 then null
Else dividend / divisor
End ,,,
But here is a much nicer way of doing it:
Select dividend / NULLIF(divisor, 0) ...
Now the only problem is to remember the NullIf bit, if I use the "/" key.
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Why does struct alignment depend on whether a field type is primitive or user-defined?
...est = new RefAndTwoInt32Wrappers();
test.text = "adsf";
test.x.x = 0x11111111;
test.y.x = 0x22222222;
Console.ReadLine(); // <=== Breakpoint here
When the breakpoint hits, use Debug + Windows + Memory + Memory 1. Switch to 4-byte integers and put &test in the Address f...
What does `void 0` mean? [duplicate]
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1024
What does void 0 mean?
void[MDN] is a prefix keyword that takes one argument and always retur...