Category : duplicates

I am trying to build a switch case with a lot of entries. After a lot work I have made sure there are no duplicates. Nevertheless i get a long list of errors when compiling. cppswitch.h:2720:5: error: duplicate case value 2720 | case ‘common_type’: | ^~~~ cppswitch.h:1090:5: note: previously used here 1090 | case ‘iswctype’: ..

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I am writing code that removes the minimum and maximum values from a vector, and then averages the remaining values. I have this code: #include <vector> #include <bits/stdc++.h> #include <algorithm> using namespace std; double averageWithoutOutliers(vector<int> values) { double max = *max_element(values.begin(),values.end()); values.erase(std::remove(values.begin(), values.end(), max), values.end()); double min = *min_element(values.begin(),values.end()); values.erase(std::remove(values.begin(), values.end(), min), values.end()); auto n ..

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Sometimes strange duplicate key error duplicate key value violates unique constraint "session_pkey" Key (workplace)=(WIN-N9BSKUNKBC8 ) already exists. Occurs in script: delete from session where workplace=’WIN-N9BSKUNKBC8′ ; INSERT INTO session (workplace,ipaddress,logintime,loggeduser) SELECT ‘WIN-N9BSKUNKBC8′ , inet_client_addr()::CHAR(14),current_timestamp::CHAR(28),CURRENT_USER WHERE NOT EXISTS (SELECT 1 FROM session WHERE workplace=’WIN-N9BSKUNKBC8’ ) Sript is running form windows task scheduler on every 10 minutes. ..

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