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Ruby: Change negative number to positive number?
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my answer is just for negative numbers, if you need to always have the absolute value then this is definitely the better way.
– Brandon Bodnar
Mar 19 '10 at 22:41
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In Java, what does NaN mean?
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Taken from this page:
"NaN" stands for "not a number". "Nan"
is produced if a floating point
operation has some input parameters
that cause the operation to produce
some undefined result. For example,
0.0 divided by 0.0 is arithmetically undefined. Ta...
How do I move files in node.js?
...can I move files (like mv command shell) on node.js? Is there any method for that or should I read a file, write to a new file and remove older file?
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Why does this code segfault on 64-bit architecture but work fine on 32-bit?
...that because of the undefined behaviour it could still fail even on a platform where sizeof(int)==sizeof(int*) holds true, for example if the calling convention used different registers for returning pointers than integers)
The comp.lang.c FAQ has an entry discussing why casting the return from mal...
Pelican 3.3 pelican-quickstart error “ValueError: unknown locale: UTF-8”
...rying to use pelican3.3, I typed the commend "pelican-quickstart", some errors showed up.
6 Answers
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What are the best use cases for Akka framework [closed]
I have heard lots of raving about Akka framework (Java/Scala service platform), but so far have not seen many actual examples of use cases it would be good for. So I would be interested in hearing about things developers have used it succesfully.
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Casting to string in JavaScript
...und three ways to cast a variable to String in JavaScript.
I searched for those three options in the jQuery source code, and they are all in use .
I would like to know if there are any differences between them:
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Is there an MD5 Fixed Point where md5(x) == x?
Is there a fixed point in the MD5 transformation, i.e. does there exist x such that md5(x) == x ?
7 Answers
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Creating an empty bitmap and drawing though canvas in Android
.../ ready to draw on that bitmap through that canvas
Here's a series of tutorials I've found on the topic: Drawing with Canvas Series
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Literal notation for Dictionary in C#?
... need to make a new Dictionary<string, string> object first as the shortcut syntax is translated to a bunch of Add() calls (like your code):
var data = new Dictionary<string, string>
{
{ "test", "val" },
{ "test2", "val2" }
};
In C# 6, you now have the option of using a more ...