How to clear variables in ipython?
%reset seems to clear defined variables.
memory
How can I explicitly free memory in Python?
According to Python Official Documentation, you can explicitly invoke the Garbage Collector to release unreferenced memory with gc.collect(). Example: You should do that after marking what you want to discard using del:
Stack Memory vs Heap Memory
I am programming in C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory … Read more
Docker error : no space left on device
I installed docker on a Debian 7 machine in the following way After that when I first tried creating an Image it failed with the following error Here is the docker info How can I increase the memory? Where are the system configurations stored? From Kal’s suggestions: When I got rid of all the images … Read more
What does pss mean in /proc/pid/smaps
Quoting from lwn.net The “proportional set size” (PSS) of a process is the count of pages it has in memory, where each page is divided by the number of processes sharing it. So if a process has 1000 pages all to itself, and 1000 shared with one other process, its PSS will be 1500 From … Read more
How do I determine the size of my array in C?
Executive summary: Full answer: To determine the size of your array in bytes, you can use the sizeof operator: On my computer, ints are 4 bytes long, so n is 68. To determine the number of elements in the array, we can divide the total size of the array by the size of the array … Read more
Converting bytes to megabytes
Traditionally by megabyte we mean your second option — 1 megabyte = 220 bytes. But it is not correct actually because mega means 1 000 000. There is a new standard name for 220 bytes, it is mebibyte (http://en.wikipedia.org/wiki/Mebibyte) and it gathers popularity.