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Best practices for in-app database migration for Sqlite
...h this variable, you are free to use it however you please). It starts at 0, and you can get/set this variable with the following sqlite statements:
> PRAGMA user_version;
> PRAGMA user_version = 1;
When the app starts, I check the current user-version, apply any changes that are needed ...
How do I disable a href link in JavaScript?
...hen you dont want user to redirect on click
<a href="javascript: void(0)">I am a useless link</a>
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How can I position my div at the bottom of its container?
...Assign position:relative to #container, and then position:absolute; bottom:0; to #copyright.
#container {
position: relative;
}
#copyright {
position: absolute;
bottom: 0;
}
<div id="container">
<!-- Other elements here -->
<div id="copyright">
...
Windows batch: echo without new line
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Nicholas DiPiazza
7,50188 gold badges5353 silver badges111111 bronze badges
answered Aug 18 '11 at 10:05
arneparnep
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Vertically aligning CSS :before and :after content [duplicate]
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10 Answers
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JavaScript Form Submit - Confirm or Cancel Submission Dialog Box
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407
A simple inline JavaScript confirm would suffice:
<form onsubmit="return confirm('Do you re...
Casting vs using the 'as' keyword in the CLR
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The answer below the line was written in 2008.
C# 7 introduced pattern matching, which has largely replaced the as operator, as you can now write:
if (randomObject is TargetType tt)
{
// Use tt here
}
Note that tt is still in scope after this, but not definit...
How to get a list of column names on Sqlite3 database?
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answered Jun 4 '09 at 1:38
nevan kingnevan king
107k4242 gold badges193193 silver badges237237 bronze badges
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SQLite UPSERT / UPDATE OR INSERT
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This is a late answer. Starting from SQLIte 3.24.0, released on June 4, 2018, there is finally a support for UPSERT clause following PostgreSQL syntax.
INSERT INTO players (user_name, age)
VALUES('steven', 32)
ON CONFLICT(user_name)
DO UPDATE SET age=excluded.age;
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Does C# have extension properties?
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403
For the moment it is still not supported out of the box by Roslyn compiler ...
Until now, the ...