Parent is a class – blue print not an instance of it, in OOPS to access attributes of an object it requires instance of the same, Here self/child is instance while Parent/Child are classes… see the answer below, may clarify your doubts. class Parent(): def __init__(self): self.myvar = 1 class Child(Parent): def __init__(self): Parent.__init__(self) # … Read more
You can use cv2.convertScaleAbs for this problem. See the Documentation. Check out the command terminal demo below : >>> img = np.empty((100,100,1),dtype = np.uint16) >>> image = cv2.cvtColor(img,cv2.COLOR_GRAY2BGR) >>> cvuint8 = cv2.convertScaleAbs(image) >>> cvuint8.dtype dtype(‘uint8’) Hope it helps!!!
If you want to avoid this ValueError in general, you can set a default argument to min(), that will be returned in case of an empty list. See described here. min([], default=”EMPTY”) # returns EMPTY Note that this only works in Python 3.4+
Your (debug) logging messages are getting suppressed by Flask as you’re not running in debug mode. If you set the following flag to True, your code will work. app.run(debug=True) The messages will now appear as expected. BennyE$ python3 stackoverflow.py 2015-03-08 12:04:04,650 ERROR: firs test message… [in stackoverflow.py:31] * Running on http://0.0.0.0:5000/ (Press CTRL+C to quit) … Read more
Here’s what i found out and the Python program I generated. I tested this with a .dmp file made on linux & analyzed on windows xp. It worked FINE. The Python file is named, “analyze_dmp.py”. #!/usr/local/bin/python2.7 # -*- coding: UTF-8 -*- “””analyze_dmp.py takes the file INFILEPATH [a pstats dump file] Producing OUTFILEPATH [a human readable … Read more
The main flaw of using a here document is that the script’s standard input will be the here document. So if you have a script which wants to process its standard input, python -c is pretty much your only option. On the other hand, using python -c ‘…’ ties up the single-quote for the shell’s … Read more
Use an ActionChain with key_down to press the control key, and key_up to release it: import time from selenium import webdriver from selenium.webdriver.common.action_chains import ActionChains from selenium.webdriver.common.keys import Keys driver = webdriver.Chrome() driver.get(‘http://google.com’) element = driver.find_element_by_link_text(‘About’) ActionChains(driver) \ .key_down(Keys.CONTROL) \ .click(element) \ .key_up(Keys.CONTROL) \ .perform() time.sleep(10) # Pause to allow you to inspect the browser. … Read more
Update: Based on comment of OP, that only the response headers are needed. Even more easy as written in below documentation of Requests module: We can view the server’s response headers using a Python dictionary: >>> r.headers { ‘content-encoding’: ‘gzip’, ‘transfer-encoding’: ‘chunked’, ‘connection’: ‘close’, ‘server’: ‘nginx/1.0.4’, ‘x-runtime’: ‘148ms’, ‘etag’: ‘”e1ca502697e5c9317743dc078f67693f”‘, ‘content-type’: ‘application/json’ } And especially … Read more
Change it to list before assigning it to index df.index = list(df[“First”])