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What does mvn install in maven exactly do
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anand krish
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answered Sep 13 '12 at 13:13
uniqrishuniqrish
...
MySQL - UPDATE multiple rows with different values in one query
...E table_users
SET cod_user = (case when user_role = 'student' then '622057'
when user_role = 'assistant' then '2913659'
when user_role = 'admin' then '6160230'
end),
date = '12082014'
WHERE user_role in ('student',...
What can you use Python generator functions for?
... |
edited Jun 8 '11 at 22:00
answered Sep 19 '08 at 15:09
T...
Python: What OS am I running on?
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answered Aug 5 '08 at 3:27
Louis BrandyLouis Brandy
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...
How do I extend a class with c# extension methods?
...46
DonO
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answered Jul 27 '09 at 13:45
Andrew HareAndrew Hare
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Is JavaScript a pass-by-reference or pass-by-value language?
.... Consider this example:
function changeStuff(a, b, c)
{
a = a * 10;
b.item = "changed";
c = {item: "changed"};
}
var num = 10;
var obj1 = {item: "unchanged"};
var obj2 = {item: "unchanged"};
changeStuff(num, obj1, obj2);
console.log(num);
console.log(obj1.item);
console...
How to sort an array of integers correctly
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1306
By default, the sort method sorts elements alphabetically. To sort numerically just add a new m...
Is there a Python equivalent to Ruby's string interpolation?
...h that version of Python (which is scheduled to be released by the end of 2016), you will be able to include expressions in "f-strings", e.g.
name = "Spongebob Squarepants"
print(f"Who lives in a Pineapple under the sea? {name}.")
Prior to 3.6, the closest you can get to this is
name = "Spongebo...
Finding duplicate values in a SQL table
...consistent:
Recent PostgreSQL supports it.
SQL Server (as at SQL Server 2017) still requires all non-aggregated columns in the GROUP BY.
MySQL is unpredictable and you need sql_mode=only_full_group_by:
GROUP BY lname ORDER BY showing wrong results;
Which is the least expensive aggregate function...