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Check if value exists in Postgres array
...Thanks. Must have skipped that part of manual. This works great. It has a side effect of automatic casting. Ex: SELECT 1::smallint = ANY ('{1,2,3}'::int[]) works. Just make sure to put ANY() on the right side of expression.
– Mike Starov
Jun 27 '12 at 23:52
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How to get values from IGrouping
...umerable<IGrouping<int, smth>> groups = list.GroupBy(x => x.id);
IEnumerable<smth> smths = groups.SelectMany(group => group);
List<smth> newList = smths.ToList();
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Disable soft keyboard on NumberPicker
...umberPicker.FOCUS_BLOCK_DESCENDANTS);
You can also set this in XML:
android:descendantFocusability="blocksDescendants"
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How can I remove an SSH key?
... a server. The problem is I lost my ~/.ssh directory (with the original id_rsa and id_rsa.pub files).
7 Answers
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How can I access and process nested objects, arrays or JSON?
...omeProperty;
or bracket notation, if the property name would not be a valid JavaScript identifier name [spec], or the name is the value of a variable:
// the space is not a valid character in identifier names
const value = obj["some Property"];
// property name as variable
const name = "some Pro...
A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu
... new {
Result = (from obj in db.Things select new {Id = obj.Id, Name = obj.Name})
}
, JsonRequestBehavior.AllowGet
);
}
It could also be the following in case you don't want the objects inside a Result property:
public JsonResult getJso...
Make a div fill up the remaining width
How can I make a div fill up the remaining width?
7 Answers
7
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Importing data from a JSON file into R
..."startPrice" "lastVote.timestamp" "lastVote.user.name" "lastVote.user.user_id"
> winners[,c("winner","startPrice","lastVote.user.name")]
winner startPrice lastVote.user.name
1 68694999 0 Lamur
> winners[,c("votes")]
[[1]]
ts user.name user....
MongoDB Aggregation: How to get total records count?
...e(array(
array('$match' => $document),
array('$group' => array('_id' => '$book_id', 'date' => array('$max' => '$book_viewed'), 'views' => array('$sum' => 1))),
array('$sort' => $sort),
// get total, AND preserve the results
array('$group' => array('_id' => nul...
How to pass parameters on onChange of html select
... show one combobox-A, which is an HTML <select> with its selected id and contents at the other place on onChange().
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