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How to go back (ctrl+z) in vi/vim
In normal text editors [with all due respect to Vim] there is a shortcut Ctrl + Z when you have done something nasty and want to return to the previous version of the text. Like BACK button in Word. I wonder how can you achieve this behaviour in Vim.
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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...
Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
... lot of errors. It seems that I have a problem with my certificate. Is it possible to ignore the client-server authentication? If so, how?
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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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get UTC time in PHP
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Using gmdate will always return a GMT date. Syntax is same as for date.
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How can I dynamically create a selector at runtime with Objective-C?
... something?
– user4951
Nov 4 '12 at 11:57
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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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Pull to refresh UITableView without UITableViewController
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edited Dec 20 '17 at 11:05
answered Feb 21 '13 at 19:29
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JavaScript Date Object Comparison
...artDate2) == Number(startDate3) ); // true
Oh, a reference to the spec: §11.9.3 The Abstract Equality Comparison Algorithm which basically says when comparing objects, obj1 == obj2 is true only if they refer to the same object, otherwise the result is false.
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