“ssl module in Python is not available”

I use Linux distros and face the problem since the new installation of Python 3.6. I tried a couple of solution and finally solved the problem. The steps I followed are as below. On Debian like distros Change the directory to the Python3.6 location In the module directory, open the Setup file with your preferred text editor … Read more

Python Key Error=0 – Can’t find Dict error in code

The error you’re getting is that self.adj doesn’t already have a key 0. You’re trying to append to a list that doesn’t exist yet. Consider using a defaultdict instead, replacing this line (in __init__): with this: You’ll need to import at the top: Now rather than raise a KeyError, self.adj[0].append(edge) will create a list automatically to append to.

‘\r’: command not found – .bashrc / .bash_profile [duplicate]

When all else fails in Cygwin… Try running the dos2unix command on the file in question. It might help when you see error messages like this: -bash: ‘\r’: command not found Windows style newline characters can cause issues in Cygwin. The dos2unix command modifies newline characters so they are Unix / Cygwin compatible. CAUTION: the dos2unix command modifies files in place, … Read more

Extract year from date

if all your dates are the same width, you can put the dates in a vector and use substring output

Categories R

JavaScript TypeError: Cannot read property ‘style’ of null

In your script, this part: must be returning null and you are also attempting to set the display property to an invalid value. There are a couple of possible reasons for this first part to be null. You are running the script too early before the document has been loaded and thus the Noite item can’t be found. There is no Noite item in … Read more

munmap_chunk(): invalid pointer

In the function second(), the assignment word = “ab”; assigns a new pointer to word, overwriting the pointer obtained through malloc(). When you call free() on the pointer later on, the program crashes because you pass a pointer to free() that has not been obtained through malloc(). Assigning string literals does not have the effect of copying their content as you might have thought. To … Read more

Categories C Tags