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How to delete last item in list?
...cord[-1] or record.pop() the list is changed. (as stated by @pltrdy in the comments)
Note 2: The code could use some Python idioms. I highly recommend reading this:
Code Like a Pythonista: Idiomatic Python (via wayback machine archive).
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Find MongoDB records where array field is not empty
...ctures: { $exists: true, $ne: [] } })
Since MongoDB 2.6 release, you can compare with the operator $gt but could lead to unexpected results (you can find a detailled explanation in this answer):
ME.find({ pictures: { $gt: [] } })
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What's HTML character code 8203?
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MySQL Cannot Add Foreign Key Constraint
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Better way of incrementing build number?
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I don't need the git commit (or tag) in the plist file so a simple incrementing system is fine (as provided by agvtool), however the act of modifying the plist during the build breaks Xcode frequently (since removing the script it hasn't crashed ...
Set margins in a LinearLayout programmatically
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Here is a little code to accomplish it:
LinearLayout ll = new LinearLayout(this);
ll.setOrientation(LinearLayout.VERTICAL);
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT, LinearLay...
get the latest fragment in backstack
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RTFM: developer.android.com/reference/android/app/…
– artkoenig
Apr 5 '15 at 10:04
1
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How do I prevent the padding property from changing width or height in CSS?
... break any specs either :D This article clarifies it well... stackoverflow.com/questions/779434/…
– Roger Heathcote
Sep 5 '12 at 15:45
2
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Overriding a Rails default_scope
... edited May 23 '17 at 12:10
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answered Dec 2 '09 at 16:50
Pär WieslanderPär ...
Can I concatenate multiple MySQL rows into one field?
...OR ', ')
FROM peoples_hobbies
GROUP BY person_id;
As Ludwig stated in his comment, you can add the DISTINCT operator to avoid duplicates:
SELECT person_id, GROUP_CONCAT(DISTINCT hobbies SEPARATOR ', ')
FROM peoples_hobbies
GROUP BY person_id;
As Jan stated in their comment, you can also sort the ...