...Script garbage collection? What's important for a web programmer to understand about JavaScript garbage collection, in order to write better code? ...

...thread, but because your threads aren't in daemon mode, they keep running, and that keeps the process alive. We can make them daemons: f = FirstThread() f.daemon = True f.start() s = SecondThread() s.daemon = True s.start() But then there's another problem - once the main thread has started your ...

... Calling read() reads through the entire file and leaves the read cursor at the end of the file (with nothing more to read). If you are looking to read a certain number of lines at a time you could use readline(), readlines() or iterate through lines with for line in ha...

... suggestions: If your nodes are configured to have 6g maximum for Spark (and are leaving a little for other processes), then use 6g rather than 4g, spark.executor.memory=6g. Make sure you're using as much memory as possible by checking the UI (it will say how much mem you're using) Try using more ...

I have been told that a handle is sort of a pointer, but not, and that it allows you to keep a reference to an object, rather than the object itself. What is a more elaborate explanation? ...

Assuming I have to use C (no C++ or object oriented compilers) and I don't have dynamic memory allocation, what are some techniques I can use to implement a class, or a good approximation of a class? Is it always a good idea to isolate the "class" to a separate file? Assume that we can preallocate t...

...ne is, basically, a directory called "plugins" which the main app can poll and then use imp.load_module to pick up files, look for a well-known entry point possibly with module-level config params, and go from there. I use file-monitoring stuff for a certain amount of dynamism in which plugins are a...

I would like to know whether there is any simple shell command to change the user home directory in Linux/Unix (one similar to chsh which changes the default login shell of an existing valid user) without touching the /etc/passwd file. Thanks ...

... Based on recommendations in the comments, I've started using grepWin and it's fantastic and free. (I'm still a fan of PowerGREP, but I don't use it anymore.) I know you already mentioned it, but PowerGREP is awesome. Some of my favorite features are: Right-click on a folder to run PowerGREP ...

... reports are biased. Nobody said if he/she is in "html5 beta of youtube" and this is probably key factor. When I leave the html5 beta, it seems that ?html5=1 don't do anything. Every video goes with flash. – Paul Brewczynski Jul 13 '13 at 21:57 ...