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Why is the use of tuples in C++ not more common?
...s don't like them if it's possible for the caller to get them in the wrong order. Some folks don't like multiple return values at all, and don't want to encourage their use by making them easier. Some folks just prefer named structures for in and out parameters, and probably couldn't be persuaded wi...
How do I migrate an SVN repository with history to a new Git repository?
... This is 99% awesome, following these steps, I got everything in order except branches: after the final step, they were remote only (and as such disappeared when I did the command: git remote rm origin)
– Dirty Henry
Mar 29 '12 at 9:22
...
Split comma-separated strings in a column into separate rows
...= median(time), N = .N), by = .(n_row, expr)]
mba[, expr := forcats::fct_reorder(expr, -median_time)]
Create chart
library(ggplot2)
ggplot(mba, aes(n_row, median_time*1e-6, group = expr, colour = expr)) +
geom_point() + geom_smooth(se = FALSE) +
scale_x_log10(breaks = NROW(director) * n_rep...
Delete duplicate records in SQL Server?
...
You can do this with window functions. It will order the dupes by empId, and delete all but the first one.
delete x from (
select *, rn=row_number() over (partition by EmployeeName order by empId)
from Employee
) x
where rn > 1;
Run it as a select to see what w...
Script Tag - async & defer
...hen you can't make them async without additional code to control execution order, but you can make them defer because defer scripts will still be executed in order, just not until after the document has been parsed. If you have that code and you don't need the scripts to run right away, you can mak...
How do I close a connection early?
...ogle.com');
ob_end_flush();flush();//really send content, can't change the order:1.ob buffer to normal buffer, 2.normal buffer to output
//continue do something on server side
ob_start();
sleep(5);//the user won't wait for the 5 seconds
echo 'for diyism';//user can't see this
file_put_contents('/tm...
How to handle multiple cookies with the same name?
...is to say:
The user agent SHOULD sort the cookie-list in the following order:
Cookies with longer paths are listed before cookies with shorter paths.
NOTE: Not all user agents sort the cookie-list in this order, but this
order reflects common practice when this document was wri...
How to create a MySQL hierarchical recursive query
...
name,
parent_id
from (select * from products
order by parent_id, id) products_sorted,
(select @pv := '19') initialisation
where find_in_set(parent_id, @pv)
and length(@pv := concat(@pv, ',', id))
Here is a fiddle.
Here, the value specified in @pv := '19...
C++ Structure Initialization
...
@user1043000 well, for one, in this case the order in which you put your members is of upmost importance. If you add a field in the middle of your structure, you will have to go back to this code and look for the exact spot in which to insert your new initialization, wh...
Static Vs. Dynamic Binding in Java
...
Well in order to understand how static and dynamic binding actually works? or how they are identified by compiler and JVM?
Let's take below example where Mammal is a parent class which has a method speak() and Human class extends Ma...