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Difference between this and self in self-type annotations?
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All three forms are valid, and have the effect that B is assumed as the type of this in class A.
The first two variants
trait A { self: B => ... }
trait A { foo: B => ... }
introduce self (respectively, foo) as an ...
How do I return rows with a specific value first?
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That actually works in any SQL database (and is a much cleaner solution than the accepted answer in my opinion)
– a_horse_with_no_name
Sep 24 '13 at 20:49
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App can't be opened because it is from an unidentified developer
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edited Nov 11 '13 at 16:45
answered Oct 23 '13 at 20:09
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CSS customized scroll bar in div
...ng scrollbars: https://www.webkit.org/blog/363/styling-scrollbars/
Demo of all WebKit scroll bar styling
From Custom scrollbars in WebKit, relevant CSS:
/* pseudo elements */
::-webkit-scrollbar { }
::-webkit-scrollbar-button { }
::-webkit-scrollbar-track { }
::-webkit-...
Rails detect if request was AJAX
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answered Nov 22 '11 at 1:08
Amir RaminfarAmir Raminfar
32k66 gold badges8383 silver badges118118 bronze badges
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UITableView with fixed section headers
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answered Jul 11 '13 at 1:22
bachonkbachonk
3,68411 gold badge1111 silver badges1313 bronze badges
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How to capture Curl output to a file?
...if an old one exists).
curl -K myconfig.txt >> output.txt
Appends all output you receive to the specified file.
Note: The -K is optional.
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Generate full SQL script from EF 5 Code First Migrations
...o update a database to a specific version.
Script-Migration -From 20190101011200_Initial-Migration -To 20190101021200_Migration-2
https://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/#generate-sql-scripts
There are several options to this command.
The from migration should be the l...
get UTC time in PHP
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113
Using gmdate will always return a GMT date. Syntax is same as for date.
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“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning
I have Constants NSString, that I want to call like:
3 Answers
3
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