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GIT: Checkout to a specific folder
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As per Do a "git export" (like "svn export")?
You can use git checkout-index for that, this is a low level command, if you want to export everything, you can use -a,
git checkout-index -a -f --prefix=/destination/path/
To quote the man pages:
The final "/" [on the prefix] is important. Th...
Getting an object from an NSSet
If you can't get an object with objectAtIndex: from an NSSet then how do you retrieve objects?
8 Answers
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Cartesian product of x and y array points into single array of 2D points
...ef dstack_product(arrays):
return numpy.dstack(numpy.meshgrid(*arrays, indexing="ij")).reshape(-1, len(arrays))
# Generalized N-dimensional products
def cartesian_product(arrays):
la = len(arrays)
dtype = numpy.find_common_type([a.dtype for a in arrays], [])
arr = numpy.empty([len(...
What does .SD stand for in data.table in R
...keep smart/strict control over the ordering of when we create the numbered index and when we use it.
Controlling a Model's RHS
Varying model specification is a core feature of robust statistical analysis. Let's try and predict a pitcher's ERA (Earned Runs Average, a measure of performance) using t...
Undo “git add ”?
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To remove a directory and everything inside it from the index,
git rm --cached -r dir
The --cached switch makes git rm operate on the index only and not touch the working copy. The -r switch makes it recursive.
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Java: how can I split an ArrayList in multiple small ArrayLists?
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You can use subList(int fromIndex, int toIndex) to get a view of a portion of the original list.
From the API:
Returns a view of the portion of this list between the specified fromIndex, inclusive, and toIndex, exclusive. (If fromIndex and toIndex ...
What is the difference between the kernel space and the user space?
...al_Descriptor_Table
the segment registers CS, DS, etc., which point to the index of an entry in the GDT.
For example, CS = 0 means the first entry of the GDT is currently active for the executing code.
What can each ring do?
The CPU chip is physically built so that:
ring 0 can do anything
ri...
Commit only part of a file in Git
...ying only half of the pair is likely to introduce confusing changes to the index.
Every details about git add are available on git --help add
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There is no ViewData item of type 'IEnumerable' that has the key 'xxx'
...te.IsValid)
{
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return RedirectToAction("Index");
}
ViewBag.OperatorId = new SelectList(db.Operators, "OperatorId",
"OperatorSign", number.OperatorId);
return View();
}
==> In View file (Create.cshtml...
How to overcome TypeError: unhashable type: 'list'
... for line in input_file:
fields = line.split()
j = fields.index("x")
k = " ".join(fields[:j])
d.setdefault(k, []).append(" ".join(fields[j+1:]))
The dict.setdefault() method above replaces the if k not in d logic from your code.
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