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<em>mem>ongodb count nu<em>mem> of distinct values per field/key
Is there a query for calculating how <em>mem>any distinct values a field contains in DB.
5 Answers
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Rails <em>mem>igration: t.references with alternative na<em>mem>e?
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You can do this all in the initial <em>mem>igration/colu<em>mem>n definition (at least currently in Rails 5):
t.references :transferable_as, index: true, foreign_key: {to_table: :courses}
t.references :sa<em>mem>e_as, index: true, foreign_key: {to_table: :courses}
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Using the Swift if let with logical AND operator &a<em>mem>p;&a<em>mem>p;
We know that we can use an if let state<em>mem>ent as a shorthand to check for an optional nil then unwrap.
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How to send a JSON object using ht<em>mem>l for<em>mem> data
So I've got this HT<em>Mem>L for<em>mem>:
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How to deserialize a list using GSON or another JSON library in Java?
I can serialize a List&a<em>mem>p;lt;Video&a<em>mem>p;gt; in <em>mem>y servlet on GAE, but I can't deserialize it. What a<em>mem> I doing wrong?
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How to set RelativeLayout layout para<em>mem>s in code not in x<em>mem>l?
For exa<em>mem>ple I want to add 3 buttons on screen: one align left, one align center, last one align right.
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How to pass an array into jQuery .data() attribute
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It's treating your variable as a string, the zeroth ele<em>mem>ent of which is [.
This is happening because your string is not valid JSON, which should use double-quotes as a string deli<em>mem>iter instead of single quotes. You'll then have to use single-quotes to deli<em>mem>it the entire attribu...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
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Your conclusions are right. The basic sche<em>mem>e is:
setNeedsUpdateConstraints <em>mem>akes sure a future call to updateConstraintsIfNeeded calls updateConstraints.
setNeedsLayout <em>mem>akes sure a future call to layoutIfNeeded calls layoutSubviews.
When layoutSubviews is called...
Using CSS how to change only the 2nd colu<em>mem>n of a table
Using css only, how can I override the css of only the 2nd colu<em>mem>n of a table.
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Install Ge<em>mem> fro<em>mem> Github Branch?
In <em>mem>y ge<em>mem>file I have this:
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