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How many threads is too many?

I am writing a server, and I send each action of into a separate thread when the request is received. I do this because almost every request makes a database query. I am using a threadpool library to cut down on construction/destruction of threads. ...
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How to reset Django admin password?

...users use the command "print(users)" The first user is usually the admin. Select the user you wish to change their password e.g. "user = users[0]" Set the password user.set_password('name_of_the_new_password_for_user_selected') Save the new password "user.save()" Start the server and log in usi...
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Optimistic vs. Pessimistic locking

...stay unmodified for the duration, it's as accurate as pessimistic locking (select for update style) on those same records. The main difference is that optimistic locking incurs overhead only if there's a conflict, whereas pessimistic locking has reduced overhead on conflict. So optimistic is best ...
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ERROR 1130 (HY000): Host '' is not allowed to connect to this MySQL server [duplicate]

...d with localhost access (which is recommended). You can check this with: SELECT host FROM mysql.user WHERE User = 'root'; If you only see results with localhost and 127.0.0.1, you cannot connect from an external source. If you see other IP addresses, but not the one you're connecting from - that...
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What to do about Eclipse's “No repository found containing: …” error messages?

...ything now. I check for updates and get a list of updates. All I can do is select which ones I want. Next it is a review screen, where I can't actually do anything except go back, cancel, or finish. I've also looked under preferences but can't find anything. – aptwebapps ...
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Hook up Raspberry Pi via Ethernet to laptop without router? [closed]

...ially recover the Raspberry Pi, it will most likely be in a rural location and I'd like to turn off the Pi at that point safely. ...
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What is a “thread” (really)?

I have been trying to find a good definition, and get an understanding, of what a thread really is. 10 Answers ...
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Show diff between commits

... gitk --all Select the first commit Right click on the other, then diff selected → this share | improve this answer | ...
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Verify a certificate chain using openssl verify

...ot CA needs to self signed for verify to work. This is why your second command didn't work. Try this instead: openssl verify -CAfile RootCert.pem -untrusted Intermediate.pem UserCert.pem It will verify your entire chain in a single command. ...
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Significant new inventions in computing since 1980

...World Wide Web ("distributed hypertext via simple mechanisms") as proposed and implemented by Tim Berners-Lee started in 1989/90. While the idea of hypertext had existed before (Nelson’s Xanadu had tried to implement a distributed scheme), the WWW was a new approach for implementing a distribute...