We believe that Stack Overflow should not just be a resource for very specific technical questions, but also for general guidelines on how to solve variations on common problems. "Form based authentication for websites" should be a fine topic for such an experiment. ...

I am at the start of building a Facebook style notification system for our page (social gaming type) and I'm now researching what would be the best way to design such system. I'm not interested in how to push notifications to the user or anything like that (for now even). I am researching how to bui...

I have data in a MySQL database. I am sending the user a URL to get their data out as a CSV file. 19 Answers ...

I want to extract the public and private key from my PKCS#12 file for later use in SSH-Public-Key-Authentication. 7 Answ...

In my makefile, I have a variable 'NDK_PROJECT_PATH', my question is how can I print it out when it compiles? 15 Answers ...

In C, the integer (for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767. In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647. ...

I'm a Mac user and I've decided to learn Emacs. I've read that to reduce hand strain and improve accuracy the CTRL and CAPS LOCK keys should be swapped. How do I do this in Leopard? ...

I'm looking for a free face recognition library for a university project. I'm not looking for face detection . I'm looking for actual recognition. That means finding images that contain specified faces or libraries that calculate distances between specific faces. ...

Let's say we have a text, and I enter visual mode and select some text. How do I quickly do a search for the highlighted text and replace it with something else? ...

This question is related to Should I be concerned about excess, non-running, Docker containers? . 61 Answers ...