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How to check if an object is a certain type
...hat it doesn't work with the '=' operator. I had to change it to 'Is'. The error I had when it was '=' was "Operator '=' is not defined for types 'System.Type' and 'System.Type'."
– Leah
Jul 5 '11 at 9:28
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How to get the return value from a thread in python?
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On python3 this returns TypeError: __init__() takes from 1 to 6 positional arguments but 7 were given . Any way to fix that?
– GuySoft
Oct 30 '16 at 15:20
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In C++, what is a “namespace alias”?
...ps { void f () { j = 1; } }; }
On the last line, "Hmm:Oops" is a compile error. The pre-processor changes it to Nope::Oops, but Nope is already a class name.
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Function pointers, Closures, and Lambda
...mp;LessThan;
BOOL LessThan(int i) {
return i < lessThan; // compile error - lessThan is not in scope
}
though I could define a function pointer that takes 2 arguments:
int lessThan = 100;
BOOL (*lessThanTest)(int, int);
lessThanTest = &LessThan;
lessThanTest(99, lessThan); // returns ...
When do Java generics require
...use then references that think it is a list of Dates will run into casting errors when they find Strings or any other serializables.
– Yishai
Aug 1 '14 at 11:13
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What is JNDI? What is its basic use? When is it used?
...able in a configuration. Maintaining this information is quite tedious and error prone.
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What does passport.session() middleware do?
...ource authorization server which is OAuth2 compliant. But I am getting an error. Are you willing to help resolve the problem? Here is the link: stackoverflow.com/questions/38176236/…
– DollarCoffee
Jul 4 '16 at 2:42
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...lugged my (FTDI) serial device from the USB and afterwards it produced the error that you described.
– Warpspace
Jan 29 '19 at 8:30
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How to copy from CSV file to PostgreSQL table with headers in CSV file?
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Got syntax error at or near "HEADER" LINE 2: delimiter ',' CSV HEADER on aws redshift.
– Mithril
Jan 5 '19 at 9:32
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Does Python optimize tail recursion?
I have the following piece of code which fails with the following error:
6 Answers
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