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Select objects based on value of variable in object using jq
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Adapted from this post on Processing JSON with jq, you can use the select(bool) like this:
$ jq '.[] | select(.location=="Stockholm")' json
{
"location": "Stockholm",
"name": "Walt"
}
{
"location": "Stockholm",
"name": "Donald"
}
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Passing arguments to C# generic new() of templated type
...ay argument.
var constructorParameters = parameters.Select((paramType, index) =>
// convert the object[index] to the right constructor parameter type.
Expression.Convert(
// read a value from the object[index]
Expression.ArrayAccess(
par...
Why not be dependently typed?
... Natty (S n)
For any promotable type, we can build the singleton family, indexed
over the promoted type, inhabited by run-time duplicates of its
values. Natty n is the type of run-time copies of the type-level n
:: Nat. We can now write
vReplicate :: Natty n -> x -> Vec n x
vReplicate Zy ...
How to change color of SVG image using CSS (jQuery SVG image replacement)?
This is a self Q&A of a handy piece of code I came up with.
17 Answers
17
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Commenting multiple lines in DOS batch file
...do this easily following these steps:
Select the block of lines
hit Ctrl-Q
Repeat steps to uncomment
share
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improve this answer
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Merge multiple lines (two blocks) in Vim
...use the pipe character (|) to chain multiple Ex commands, so the above is equivalent to
:5,8del
:let l=split(@")
:1,4s/$/\=remove(l,0)/
Many Ex commands accept a range of lines as a prefix argument - in the above case the 5,8 before the del and the 1,4 before the s/// specify which lines the comm...
Sorting arrays in NumPy by column
...p.argsort may themselve take up quite a lot of memory, and on top of that, indexing with an array will also generate a copy of the array that is being sorted.
– ali_m
Jul 11 '15 at 23:38
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Getting indices of True values in a boolean list
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Use enumerate, list.index returns the index of first match found.
>>> t = [False, False, False, False, True, True, False, True, False, False, False, False, False, False, False, False]
>>> [i for i, x in enumerate(t) if x]
[4, ...
Git: add vs push vs commit
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git add adds files to the Git index, which is a staging area for objects prepared to be commited.
git commit commits the files in the index to the repository, git commit -a is a shortcut to add all the modified tracked files to the index first.
git push s...
How do I convert a org.w3c.dom.Document object to a String?
...above code? I'm getting a verifyError while writing the same. I've asked a question in SO, if you're available, kindly answer. stackoverflow.com/q/48560458/5989309
– Alan Pallath
Feb 1 '18 at 12:17
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