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No mapping found for field in order to sort on in ElasticSearch
... I still have the problem but I want the documents to be in the results in all cases even if they don't have the attribute.
– c4k
Oct 27 '13 at 15:47
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Best way to determine user's locale within browser
...accurate than navigator.language, however to make it backwards-compatible (Tested Chrome / IE / Firefox / Safari), then use this:
function getLang()
{
if (navigator.languages != undefined)
return navigator.languages[0];
else
return navigator.language;
}
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How can I quickly sum all numbers in a file?
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For a Perl one-liner, it's basically the same thing as the awk solution in Ayman Hourieh's answer:
% perl -nle '$sum += $_ } END { print $sum'
If you're curious what Perl one-liners do, you can deparse them:
% perl -MO=Deparse -nle '$sum += $_ } END ...
How do I look inside a Python object?
...-in functions:
type()
dir()
id()
getattr()
hasattr()
globals()
locals()
callable()
type() and dir() are particularly useful for inspecting the type of an object and its set of attributes, respectively.
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R cannot be resolved - Android error
... installed the new Android SDK. I wanted to create a simple application to test drive it.
108 Answers
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What is the _snowman param in Ruby on Rails 3 forms for?
...net Explorer (5, 6, 7 and 8) to encode its parameters as unicode.
Specifically, this bug can be triggered if the user switches the browser's encoding to Latin-1. To understand why a user would decide to do something seemingly so crazy, check out this google search. Once the user has put the web-sit...
How do I invert BooleanToVisibilityConverter?
...iew models, not to mention another property you theoretically have to unit test in order to maintain code coverage. View models shouldn't have to get that close to the implementation details of the view, otherwise you might as well just have Visibility properties in your view model.
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Flask-SQLAlchemy how to delete all rows in a single table
...User.query.delete() as query object as 'BaseQuery' object is not callable. Tested and verified.
– Shirish Kadam
Jul 13 '19 at 23:29
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Binding an enum to a WinForms combo box, and then setting it
...dView.CurrentRow.Cells["comboColumnCell"].Value. I can see value but internally it throws null pointer exception
– ssal
Jun 5 '14 at 17:18
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Python circular importing?
... of it) for the first time, the code inside the module is executed sequentially like any other code; e.g., it is not treated any differently that the body of a function. An import is just a command like any other (assignment, a function call, def, class). Assuming your imports occur at the top of th...