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Generic type parameter naming convention for Java (with multiple chars)?
...generic type parameters with more than one character to make the code more readable.
5 Answers
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Invalidating JSON Web Tokens
...y be hit to record invalidations and remove expired invalidations and only read at server launch. Under a load-balancing architecture, the in-memory blacklist can poll the DB at short intervals, like 10s, limiting the exposure of invalidated tokens. These approaches allow the server to continue auth...
source of historical stock data [closed]
...() + "/quotes.csv");
File.Delete("quotes.csv");
Thread.Sleep(10000); // 10 seconds
}
}
catch (Exception exc)
{
Console.WriteLine(exc.ToString());
Console.ReadKey();
}
}
Database:
On the database side I use an OleDb connection to the ...
Is there a way to cache GitHub credentials for pushing commits?
...ed netrc (if not, you should probably
just use credential-store).
For "read-only" password access, I find the combination of pass with config like this is a bit nicer:
[credential "https://github.com"]
username = peff
helper = "!f() { test $1 = get && echo password=`pass github/oaut...
HEAD and ORIG_HEAD in Git
...D is last value of HEAD before dangerous operation).
For more information read git(1) manpage, Git User's Manual, the Git Community Book and Git Glossary
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Understanding checked vs unchecked exceptions in Java
...ou can show a new File Dialog in this case.
4 . FileNotFoundException is already a checked exception.
5 . If it is expected that the method calling someMethod to catch the exception, the latter can be thrown. It just "passes the ball". An example of it usage would be if you want to throw it in your ...
How to get a reference to current module's attributes in Python
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For anyone reading comment by george: sys.modules[__name__].__doc__ == __doc__ as this is defined in the current namespace. Fetching the module object to access its own attributes is therefore not necessary.
– Oliv...
In Visual Studio C++, what are the memory allocation representations?
...
Just an habit, back then, some code would read two bytes and try to use it as jump table, or in some cases, when I list the assembly code, by adding NOP, it would not show as '???' or something (more legible) when disassembling; all in all, for multiple reasons, it j...
Change column type from string to float in Pandas
... dtype that supports pd.NA (pandas' object to indicate a missing value).
Read on for more detailed explanations and usage of each of these methods.
1. to_numeric()
The best way to convert one or more columns of a DataFrame to numeric values is to use pandas.to_numeric().
This function will try to...
What does O(log n) mean exactly?
... phone number. Take some white-out and remove each zero.
O(n · n!): We're ready to load the phonebooks onto the shipping dock. Unfortunately, the robot that was supposed to load the books has gone haywire: it's putting the books onto the truck in a random order! Even worse, it loads all the books o...