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How to force ViewPager to re-instantiate its items [duplicate]
...am looking at. It is reflected if I scroll 2 pages out from my current and then return to actual because instantiateItem() is triggered but I want to do this without scrolling.
– gordonfreeman
Sep 12 '11 at 7:04
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How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
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I had to first drop the pkey and then run this. ALTER TABLE <table> DROP CONSTRAINT <pkey_name>;
– Josh Robertson
Dec 16 '19 at 23:29
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Passing parameters in rails redirect_to
...ams after merging: redirect_to act_house_path(request.parameters.except(:authenticity_token, :controller, :action, :utf8, :commit)
– mr i.o
Jun 16 '16 at 21:18
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Writing handler for UIAlertAction
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Note that if you use a "let foo = UIAlertAction(...), then you can use the trailing closure syntax to put what might be a long closure after the UIAlertAction - it looks pretty nice that way.
– David H
Oct 1 '14 at 15:22
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What is the effect of encoding an image in base64?
If I convert an image (jpg or png) to base64, then will it be bigger, or will it have the same size? How much greater will it be?
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keytool error Keystore was tampered with, or password was incorrect
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I have deleted the existing keystore file and then followed the command keytool -genkey -alias key0-keyalg RSA, then it asks me new password and others data, I gave. But still now, when I try to build signed apk, it shows the same error message -"Keystore was tampered wi...
How unique is UUID?
...u mean 100 years and you're creating them at a rate of a billion a second, then yes, you have a 50% chance of having a collision after 100 years.
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How to remove from a map while iterating it?
...he post-increment: First increment it to get the next, valid iterator, and then erase the old one. It doesn't work the other way round!
– Kerrek SB
Nov 22 '11 at 22:55
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How to create an array of object literals in a loop?
...what if key need to be more than once ! ['notes'] can occur more than once then what can we do?
– Milson
Nov 5 '15 at 17:01
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Why does parseInt(1/0, 19) return 18?
...re 26 letters in the English alphabet, and the convention is to use digits then letters as the set of valid digits in the given base.
– Craig Citro
Jul 10 '12 at 8:14
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