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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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seek() function?
Please excuse <em>mem>y confusion here but I have read the docu<em>mem>entation regarding the seek() function in python (after having to use it) and although it helped <em>mem>e I a<em>mem> still a bit confused on the actual <em>mem>eaning of what it does, any explanations are <em>mem>uch appreciated, thank you.
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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...
HTTP Basic Authentication - what's the expected web browser experience?
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To help everyone avoid confusion, I will refor<em>mem>ulate the question in two parts.
First : "how can <em>mem>ake an authenticated HTTP request with a browser, using BASIC auth?".
In the browser you can do a http basic auth first by waiting the pro<em>mem>pt to co<em>mem>e, or by editing the UR...
contenteditable, set caret at the end of the text (cross-browser)
output in Chro<em>mem>e :
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<em>Mem>I<em>Mem>E type warning in chro<em>mem>e for png i<em>mem>ages
Just ran <em>mem>y site in chro<em>mem>e and suprisingly it co<em>mem>es up with this warning for each of <em>mem>y .png i<em>mem>ages:
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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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