Is there a way in Handlebars.js templating to check if the collection or list is null or empty, before going and iterating through the list/collection? ...

I just started learning Ruby on rails and I was wondering what Heroku really is? I know that its a cloud that helps us to avoid using servers? When do we actually use it? ...

Just a short, simple one about the excellent Requests module for Python. 10 Answers ...

I'm trying to add a table to my newly created database through SQL Server Management Studio. However I get the error: 4 Ans...

I'm trying to Append data to a Log file using Node.js and that is working fine but it is not going to the next line. \n doesn't seem to be working in my function below. Any suggestions? ...

I'm trying to write a Java class to log in to a certain website. The data sent in the POST request to log in is 7 Answers ...

I'm compiling my C++ app using GCC 4.3. Instead of manually selecting the optimization flags I'm using -march=native , which in theory should add all optimization flags applicable to the hardware I'm compiling on. But how can I check which flags is it actually using? ...

I would like a JavaScript function to have optional arguments which I set a default on, which get used if the value isn't defined (and ignored if the value is passed). In Ruby you can do it like this: ...

I'm trying to refer to a specific issue comment on github, in my readme. But I can't find any information on how to do that ( here for example). I know that it's possible to link to issues, but is it possible to link to specific comments in that issue? ...

I often find Bash syntax very helpful, e.g. process substitution like in diff <(sort file1) <(sort file2) . 6 Answ...