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Is there any particular difference between intval and casting to int - `(int) X`?

... @moose that page states $i++ is incorrect in red. But it should be slower!! – Shiplu Mokaddim Feb 26 '12 at 1:09 1 ...
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Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding

I have an Arduino Duemilanove with an ATmega328 . I am working on Ubuntu 12.04 (Precise Pangolin), and the Arduino IDE's version is 1.0. Recently, I tried to upload a few of the sample sketches onto it, such as the Blink one. However, none of my attempts are working and they result in the same e...
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What is the bit size of long on 64-bit Windows?

Not to long ago, someone told me that long are not 64 bits on 64 bit machines and I should always use int . This did not make sense to me. I have seen docs (such as the one on Apple's official site) say that long are indeed 64 bits when compiling for a 64-bit CPU. I looked up what it was on 64-...
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Can I store the .git folder outside the files I want tracked?

I have an unusual idea to use git as a backup system. So let's say I have a directory ./backup/myfiles and I want to back that up using git. To keep things clean I don't want to have a .git directory in the myfiles folder, so I thought I could create ./backup/git_repos/myfiles. From looking at the g...
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What is the difference between PS1 and PROMPT_COMMAND

...cute before the printing of each primary prompt ($PS1). I never used it, but I could have used this back when I only had sh. share | improve this answer | follow ...
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Best Practices for securing a REST API / web service [closed]

... REST API or service are there any established best practices for dealing with security (Authentication, Authorization, Identity Management) ? ...
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techniques for obscuring sensitive strings in C++

I need to store sensitive information (a symmetric encryption key that I want to keep private) in my C++ application. The simple approach is to do this: ...
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Best approach for GPGPU/CUDA/OpenCL in Java?

General-purpose computing on graphics processing units ( GPGPU ) is a very attractive concept to harness the power of the GPU for any kind of computing. ...
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How ViewBag in ASP.NET MVC works

How does the ASP.NET MVC's ViewBag work? MSDN says it is just an Object , which intrigues me, how does "Magic" properties such as ViewBag.Foo and magic strings ViewBag["Hello"] actually work? ...
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How do I create a branch?

... Branching in Subversion is facilitated by a very very light and efficient copying facility. Branching and tagging are effectively the same. Just copy a whole folder in the repository to somewhere else in the repository using the svn copy command. Basicall...