大约有 16,000 项符合查询结果（耗时：0.0494秒） [XML]
What's the scope of the “using” declaration in C++?
...lude a header file in C++, it places the whole contents of the header file into the spot that you included it in the source file. So including a file that has a using declaration has the exact same effect of placing the using declaration at the top of each file that includes that header file.
...
MySQL InnoDB not releasing disk space after deleting data rows from table
...on the existing table." This implies that you could turn this feature on, "convert" the existing tables to use a separate InnoDB file with the ALTER TABLE command, then OPTIMIZE the table to shrink it's size. However, once you're done you'd have to figure out how to delete the (huge) source InnoDB f...
mkdir -p functionality in Python [duplicate]
...swer, but I think there's value in the comment thread below. As such, I'm converting it to a wiki.
share
|
improve this answer
|
follow
|
...
How to make links in a TextView clickable?
...'t need the a href part. The OS will take the string parse it for urls and converts every url to a clickable link. But this won't result in the word google being linked to google.com. It would display www.google.com as link.
– Janusz
Apr 30 '10 at 6:37
...
Dynamically generating a QR code with PHP [closed]
...
but how to convert it into mvc standard any ideas !!!!
– saurabh kamble
Jun 19 '14 at 10:52
...
How to get a Fragment to remove itself, i.e. its equivalent of finish()?
I'm converting an app to use fragments using the compatibility library.
Now currently I have a number of activities (A B C D) which chain onto one another, D has a button 'OK' which when pressed calls finish which then bubbles up through onActivityResult() to additionally destroy C and B.
...
Checking to see if one array's elements are in another array in PHP
...
You can use array_intersect().
$result = !empty(array_intersect($people, $criminals));
share
|
improve this answer
|
...
Removing an activity from the history stack
...
Yes, have a look at Intent.FLAG_ACTIVITY_NO_HISTORY.
share
|
improve this answer
|
follow
|
...
Inner join vs Where
...same execution plan, look at these two tables:
CREATE TABLE table1 (
id INT,
name VARCHAR(20)
);
CREATE TABLE table2 (
id INT,
name VARCHAR(20)
);
The execution plan for the query using the inner join:
-- with inner join
EXPLAIN PLAN FOR
SELECT * FROM table1 t1
INNER JOIN table2 t2 ON ...
Use of var keyword in C#
...
But the point is that in general it doesn't matter. Provided cust.Orders is something you can enumerate (eg foreach over) then it doesn't matter what type it is. The extra code just gets in the way of reading the intent.
...