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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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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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Make WPF window draggable, no matter what element is clicked
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answered Sep 14 '11 at 15:08
RachelRachel
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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
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Why are there two kinds of functions in Elixir?
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A function can have multiple clauses too:
x = 1
fun = fn
y when y < 0 -> x - y
y -> x + y
end
fun.(2) #=> 3
fun.(-2) #=> 3
Now, let's try something different. Let's try to define different clauses expecting a different number of arguments:
fn
x, y -> x + y
x -> x
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Why would one use nested classes in C++?
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230
Nested classes are cool for hiding implementation details.
List:
class List
{
public:
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Modify request parameter with servlet filter
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edited Jan 27 '12 at 10:06
penfold
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answered S...
How to fetch the row count for all tables in a SQL SERVER database [duplicate]
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answered Feb 8 '10 at 13:38
adrianbanksadrianbanks
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Difference between Mutable objects and Immutable objects [duplicate]
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edited Jan 31 '18 at 10:00
Ojonugwa Jude Ochalifu
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Standard alternative to GCC's ##__VA_ARGS__ trick?
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