python-3.4

问题 I'm trying to run a command from a python file: p = subprocess.Popen("mysqldump -h" + hostname + " -u" + mysql_user + " --password=" + mysql_pw + " " + db + " > dump_" + hostname + "_" + timestamp + ".sql", shell=True) But the --password= and even -p keep getting hanged up on my password string The password is similar to this structure: Z@F&sfeafxegwa the command line error: 'sfeafxegwa' is not recognized as an internal or external command, operable program or batch file. 回答1: As already

问题 I'm trying to run a command from a python file: p = subprocess.Popen("mysqldump -h" + hostname + " -u" + mysql_user + " --password=" + mysql_pw + " " + db + " > dump_" + hostname + "_" + timestamp + ".sql", shell=True) But the --password= and even -p keep getting hanged up on my password string The password is similar to this structure: Z@F&sfeafxegwa the command line error: 'sfeafxegwa' is not recognized as an internal or external command, operable program or batch file. 回答1: As already

问题 Getting a conflict between pyglet and autopygui, when one is running I can't use the other. I found a few things online but no one has posted a resolution to the problem. ctypes.ArgumentError: argument 1: <class 'TypeError'>: expected LP_POINT instance instead of pointer to POINT https://github.com/asweigart/pyautogui/issues/26 https://code.google.com/archive/p/pyglet/issues/559 This has been fixed together with issue 510 in rev. e46762382a3 Said to be resolved in that link but I'm still

问题 Getting a conflict between pyglet and autopygui, when one is running I can't use the other. I found a few things online but no one has posted a resolution to the problem. ctypes.ArgumentError: argument 1: <class 'TypeError'>: expected LP_POINT instance instead of pointer to POINT https://github.com/asweigart/pyautogui/issues/26 https://code.google.com/archive/p/pyglet/issues/559 This has been fixed together with issue 510 in rev. e46762382a3 Said to be resolved in that link but I'm still

问题 I tried to find entries in an Array containing a substring with np.where and an in condition: import numpy as np foo = "aa" bar = np.array(["aaa", "aab", "aca"]) np.where(foo in bar) this only returns an empty Array. Why is that so? And is there a good alternative solution? 回答1: We can use np.core.defchararray.find to find the position of foo string in each element of bar , which would return -1 if not found. Thus, it could be used to detect whether foo is present in each element or not by

问题 I tried upgrade pip3 with this command: sudo pip3 install --upgrade pip but unfortunately it doesn't work anymore and shows this message: pip3 --version message: Traceback (most recent call last): File "/usr/local/lib/python3.4/dist-packages/pkg_resources/ init .py", line 651, in _build_master ws.require( requires ) File "/usr/local/lib/python3.4/dist-packages/pkg_resources/ init .py", line 952, in require needed = self.resolve(parse_requirements(requirements)) File "/usr/local/lib/python3.4

问题 I tried upgrade pip3 with this command: sudo pip3 install --upgrade pip but unfortunately it doesn't work anymore and shows this message: pip3 --version message: Traceback (most recent call last): File "/usr/local/lib/python3.4/dist-packages/pkg_resources/ init .py", line 651, in _build_master ws.require( requires ) File "/usr/local/lib/python3.4/dist-packages/pkg_resources/ init .py", line 952, in require needed = self.resolve(parse_requirements(requirements)) File "/usr/local/lib/python3.4

来源： https://stackoverflow.com/questions/43221027/pyserial-differences-with-python-2-7-and-3-4

来源： https://stackoverflow.com/questions/32358767/normalize-non-existing-path-using-pathlib-only

来源： https://stackoverflow.com/questions/31201706/abstract-base-class-is-not-enforcing-function-implementation