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Difference between 'python setup.py install' and 'pip install'
...utomatically download all dependencies for a package for you. In contrast, if you use setup.py, you often have to manually search out and download dependencies, which is tedious and can become frustrating.
pip keeps track of various metadata that lets you easily uninstall and update packages with a ...
Seedable JavaScript random number generator
...
If you don't need the seeding capability just use Math.random() and build helper functions around it (eg. randRange(start, end)).
I'm not sure what RNG you're using, but it's best to know and document it so you're aware of i...
Get top 1 row of each group
... DESC) AS rn
FROM DocumentStatusLogs
)
SELECT *
FROM cte
WHERE rn = 1
If you expect 2 entries per day, then this will arbitrarily pick one. To get both entries for a day, use DENSE_RANK instead
As for normalised or not, it depends if you want to:
maintain status in 2 places
preserve status h...
JavaScript validation for empty input field
...wer_c"].value;
var d = document.forms["Form"]["answer_d"].value;
if (a == null || a == "", b == null || b == "", c == null || c == "", d == null || d == "") {
alert("Please Fill All Required Field");
return false;
}
}
</script>
<form method="post" name="F...
How do I pass a method as a parameter in Python
...call__() is meant to be implemented, not to be invoked from your own code.
If you wanted method1 to be called with arguments, then things get a little bit more complicated. method2 has to be written with a bit of information about how to pass arguments to method1, and it needs to get values for thos...
What are the uses of “using” in C#?
...g();
}
finally
{
// Check for a null resource.
if (myRes != null)
// Call the object's Dispose method.
((IDisposable)myRes).Dispose();
}
}
C# 8 introduces a new syntax, named "using declarations":
A using declaration is a variable declara...
When to use an assertion and when to use an exception
...nning, but an exception would let the program continue running.
Note that if(group != null) is not an assertion, that is just a conditional.
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Do you continue development in a branch or in the trunk? [closed]
...
For all work you do, you can have the benefit of committing your code. If you work out of the trunk only, you will probably keep your code uncommitted a lot, and hence unprotected and without automatic history.
If you try to do the opposite and do all your development in the trunk you'll have...
Make the current commit the only (initial) commit in a Git repository?
...lso removes the configuration of the repository.
Note: This does NOT work if the repository has submodules! If you are using submodules, you should use e.g. interactive rebase
Step 1: remove all history (Make sure you have backup, this cannot be reverted)
cat .git/config # note <github-uri>...
Can't operator == be applied to generic types in C#?
...ference comparison, or would it use the overloaded version of the operator if a type defined one?"
I would have thought that == on the Generics would use the overloaded version, but the following test demonstrates otherwise. Interesting... I'd love to know why! If someone knows please share.
nam...