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Make elasticsearch only return certain fields?
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Here another solution, now using a match expression
Source filtering
Allows to control how the _source field is returned with every hit.
Tested with Elastiscsearch version 5.5
The keyword "includes" defines the specifics fields.
GET /m...
namedtuple and default values for optional keyword arguments
...can also cause problems by breaking isinstance(Node('val'), Node): it will now raise an exception, rather than returning True. While a bit more verbose, @justinfay's answer (below) preserves type hierarchy information properly, so is probably a better approach if others are going to interact with No...
How do you query for “is not null” in Mongo?
...: 1 }
{ "_id" : ObjectId("544540f11b5cf91c4893eb99"), "otherField" : 2 }
Now, create the sparse index on imageUrl field:
db.foo.ensureIndex( { "imageUrl": 1 }, { sparse: true } )
{
"createdCollectionAutomatically" : false,
"numIndexesBefore" : 1,
"numIndexesAfter" : 2,
"ok" : 1
}
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From an array of objects, extract value of a property as array
...n for getting the value of a property in an object.
Additionally, _.map() now allows a string to be passed in as the second parameter, which is passed into _.property(). As a result, the following two lines are equivalent to the code sample above from pre-Lodash 4.
var result = _.map(objArray, 'fo...
Is there a way to access method arguments in Ruby?
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Let me know which bits need deciphering and I'll add some explanation :)
– mikej
Feb 9 '12 at 14:30
3
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How to download image using requests
...e, steps I used are r2 = requests.post(r.url, data); print r2.content. But now I also want to know filename. is their any cleaned way? -- presently I found file name in header -- r2.headers['content-disposition'] that gives me output as: 'attachment; filename=DELS36532G290115.csi' I am parsing thi...
How do I find the location of Python module sources?
...? I understand where crawling sys.path can be painful (especially without knowing about meta_path), but is your concern about namespacing between __file__ definitions and binaries?
– user559633
Jan 6 '15 at 15:56
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How to detect if a script is being sourced
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If your Bash version knows about the BASH_SOURCE array variable, try something like:
# man bash | less -p BASH_SOURCE
#[[ ${BASH_VERSINFO[0]} -le 2 ]] && echo 'No BASH_SOURCE array variable' && exit 1
[[ "${BASH_SOURCE[0]}" != "$...
What does Python's eval() do?
...one}, exposed_methods)
TypeError: 'NoneType' object is not subscriptable
Now we have the cpu_count function available while still blocking everything we do not want. In my opinion, this is super powerful and clearly from the scope of the other answers, not a common implementation. There are numero...
Open file in a relative location in Python
Suppose python code is executed in not known by prior windows directory say 'main' , and wherever code is installed when it runs it needs to access to directory 'main/2091/data.txt' .
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