not able to install packages in pycharm on windows 10, getting SSL failed to verify error

I am trying to install a HL7 apy package in pycharm using following steps.

File–>Settings–>Project Interpreter–>click + sign–>search package–>Install package. There after getting below error.

Could not fetch URL https://pypi.org/simple/hl7apy/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host=’pypi.org’, port=443): Max retries exceeded with url: /simple/hl7apy/ (Caused by SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)’))) – skipping Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host=’pypi.org’, port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)’))) – skipping

Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)’))’: /simple/hl7apy/ Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)’))’: /simple/hl7apy/ Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)’))’: /simple/hl7apy/ Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)’))’: /simple/hl7apy/ Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by ‘SSLError(SSLCertVerificationError(1, ‘[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1056)’))’: /simple/hl7apy/ Could not find a version that satisfies the requirement hl7apy (from versions: ) No matching distribution found for hl7apy

Anyone who can help.It’s a bit urgent. I am able to install package through commmand terminal by adding trusted host. But when I import that package in pycharm IDE its not working.

Can bitcoin core verify a third party blockchain download?

If you were to obtain a copy of the bitcoin blockchain, i.e. a copy of someone’s data dir excluding his wallet files on a removable drive or other storage medium, could bitcoin core verify that or not? This would be useful in developing countries where the initial blockchain download is hard to do but keeping up with the chain is easy.

Proper way to verify keycard integrity

I have thought about building an electronic door locking system.

Would the following mechanism be secure at all to prevent tampering plain text information on card?

  1. hash private system key together with cardholder data
  2. save the hash and card holder data to an RFID card
  3. the lock (which only has the private key) takes the cardholder data and hash when authenticating
  4. the lock creates a hash using it’s private key (the same used in creating the card) and plain text data from card.
  5. Lock compares the hash it generated to hash on the card

Any particular vulnerabilities other than brute forcing?

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How can i verify my txs with my own full node?

Hey i run a full bitcoin+lightning node on a rpi. Can anyone eli5 me how can i verify my own tx if send some coins from an exchange to a public address i control?

Lets say i plug in my hw, send some coins, then i wanna actually verify if i got those coins or at least they are (verify able) on the mempool waiting to be mined.

I have always struggled with the how do i really “verify, don’t trust” quote.

Thanks in advance.

Verify two numbers from a list will add up to a number in the same list using Python

I am trying to solve this question:

  • Given a list of integers, verifies if any two numbers from this list add up to another number in the same list.

I came up with:

def func(l):     sum_set = set() # using a set to store sums of two numbers.     for index in range(len(l)-1):         counter = 1         while counter + index < len(l):             sum = l[index] + l[index+counter]             sum_set.add(sum)             counter += 1     for number in l:         if number in sum_set:             return True     return False  print(func([1,2,3,4])) print(func([1,2,1,4])) print(func([1,1,1])) print(func([1])) print(func([1,2,5,9])) print(func([2,1,1])) print(func([1,-1,0])) 

From the tests I ran above, my function is working. But there is at least one way I can think of my approach is lacking of:

  • I should filter the original list to get rid of duplicate numbers. If a number appears more than 2 times, its rest of appearance should be disregarded. E.g. l = [1,1,1,1,2] should be optimised to l = [1,1,2]

Is there any other aspect that I can improve my code snippet on to make it more Pythonic / more efficient?

My iPhone app requires sellers to verify their email address and phone number, when should I do that?

I searched User Experience before posting this question. I saw a lot of related questions but not this one in particular. My organization is creating an app that permits users to sell a service or a good. The user downloads our free iPhone app. Before they can proceed to use the app, before they can do anything at all, they must create an account.

We permit oath through Facebook (permitting them to create an account with a single button press).

We also permit them to enter their name (first name and last name though we are thinking about using just one field for the user’s name), we require them to enter their email address and their phone number (for SMS).

My question is: When should we do that?

My gut instinct/intuition is that the least annoying thing to do is to ask the user to verify their email address and phone number right away, immediately before we let them do anything. We are already requiring them to make an account — why not immediately require them to verify their email and phone number before we let them do anything, even access the account.

Another member of my team feels very strongly the other way. He feels that we let them create their account (either via OAUTH via Facebook or by entering in their email and phone number), but that we do not require them to execute verification until we need it, like when they go to create a posting for the good or service they are selling through our app.

Presently there is no version of the app for consumers, just sellers, sellers use the app to communicate directly with consumers who get text messages, etc. when they sign up with the given seller (believe it or not this method and methodology works as our sellers are grateful to have our platform for delivering their goods and services and getting paid for them.)

So, should we:

A. Execute email and phone number verification right away and require that they perform email and phone number verification right away.

OR

B. When they create the account we send them email and phone number verification but we do not require them to complete it until we need it — like when they go to make their first posting.

I like requiring it right a way for a variety of reasons, including, frankly it is easier and less complicated to do first before we let them into the app.

But is it a better user experience if they can setup their account right away, get the verification right away, but do not haver to complete it until we need it (like when they make a posting)?

Help with our design issue is greatly appreciated.

How can Facebook verify my face if it should not have one?

I do not use Facebook but recently I created an account for the purpose of connecting it to an app. I uploaded several photos of myself to Facebook, did what I needed with the app and deleted the photos.

The next day I tried to login to my Facebook account and saw this:

enter image description here

How can Facebook use my photo to check if the account belongs to me? They now should not have any of my photos, right? Does this mean they actually keep deleted content?