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Get last element of Stream/List in a one-liner
...ch element will be returned.
The implementation works for both sequential and parallel streams. That might be surprising at first glance, and unfortunately the documentation doesn't state it explicitly. However, it is an important feature of streams, and I try to clarify it:
The Javadoc for the m...
How can I make Visual Studio's build be very verbose?
... General
Change the setting for Suppress Startup Banner to No
The cl command line(s) will be shown in the output window.
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Will #if RELEASE work like #if DEBUG does in C#?
...? The code I want to surround with this block sends out a bunch of emails, and I don't want to accidentally send those out when testing.
...
How to filter object array based on attributes?
... // ... (more homes) ...
]
};
// (Note that because `price` and such are given as strings in your object,
// the below relies on the fact that <= and >= with a string and number
// will coerce the string to a number before comparing.)
var newArray = obj.homes.filter(function ...
Where does PHP's error log reside in XAMPP?
...ith a path of: /opt/lampp/logs/php_error_log
– Scott Anderson
Apr 13 '19 at 14:16
add a comme...
Take screenshots in the iOS simulator
...ke a screenshot of my iOS application when it is running in the simulator, and save the screenshot on my Mac. How can I do this?
...
How to get the focused element with jQuery?
...g to search the whole DOM tree.
The answer is:
document.activeElement
And if you want a jQuery object wrapping the element:
$(document.activeElement)
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Convert Django Model object to dict with all of the fields intact
...ject to a dict with all of its fields? All ideally includes foreign keys and fields with editable=False .
12 Answers
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Make elasticsearch only return certain fields?
... ["user", "message", ...],
"query": ...,
"size": ...
}
In ES 2.4 and earlier, you could also use the fields option to the search API:
{
"fields": ["user", "message", ...],
"query": ...,
"size": ...
}
This is deprecated in ES 5+. And source filters are more powerful anyway!
...
how to exclude null values in array_agg like in string_agg using postgres?
... non_canonical_users
FROM groups g
GROUP BY g.id
) s
Or, simpler and may be cheaper, using array_to_string which eliminates nulls:
SELECT
g.id,
array_to_string(
array_agg(CASE WHEN g.canonical = 'Y' THEN g.users ELSE NULL END)
, ','
) canonical_users,
array...