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How to change package name of Android Project in Eclipse?
...can rename or change the package name, and also by right-clicking and then select Rename option, you can change or rename the package name.
When you press F2, it will show you the dialog box as:
In this dialog, don't forget to check the "Update references" checkbox because by making "check" to t...
SQL Server: Difference between PARTITION BY and GROUP BY
...y're used in different places. group by modifies the entire query, like:
select customerId, count(*) as orderCount
from Orders
group by customerId
But partition by just works on a window function, like row_number:
select row_number() over (partition by customerId order by orderId)
as OrderN...
Can Eclipse refresh resources automatically?
...n the project node in the Project Explorer and press F5 or right click and select Refresh, all resources for that project will be refreshed. Also, if you CTRL+click on multiple projects, you should be able to refresh multiple projects at the same time.
A single click on a project, a CTRL+A to selec...
Get size of all tables in database
...
SELECT
t.NAME AS TableName,
s.Name AS SchemaName,
p.rows,
SUM(a.total_pages) * 8 AS TotalSpaceKB,
CAST(ROUND(((SUM(a.total_pages) * 8) / 1024.00), 2) AS NUMERIC(36, 2)) AS TotalSpaceMB,
SUM(a.used_pa...
How to create a project from existing source in Eclipse and then find it?
...
Right-click in the package explorer and select New - Java Project
Create the new project Game
Open the new project in the package explorer - you should see only the source folder called src (there's nothing inside yet)
Open a file Explorer (e.g. Windows Explorer) a...
What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
... then the result is the first column of the first row. An example might be SELECT @@IDENTITY AS 'Identity'.
ExecuteReader is used for any result set with multiple rows/columns (e.g., SELECT col1, col2 from sometable).
ExecuteNonQuery is typically used for SQL statements without results (e.g., UPDATE...
How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,
...
Don't you need to escape the period char between _platformActions and InstallApp?
– rory.ap
Mar 10 '16 at 15:37
...
How to reverse a singly linked list using only two pointers?
...re's a working version:
#include <stdio.h>
typedef struct Node {
char data;
struct Node* next;
} Node;
void print_list(Node* root) {
while (root) {
printf("%c ", root->data);
root = root->next;
}
printf("\n");
}
Node* reverse(Node* root) {
Node* new_root = 0;
wh...
Remove all breakpoints in IntelliJ IDEA
...
Ctrl+Shift+F8
is using for removing all breakpoints.
Select upper breakpoint -> Ctrl+Shift+End -> Remove
On Mac Os use this:
Cmd + Shift + (Fn) + F8 on Mac OS
share
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...
Inner join vs Where
... for the query using the inner join:
-- with inner join
EXPLAIN PLAN FOR
SELECT * FROM table1 t1
INNER JOIN table2 t2 ON t1.id = t2.id;
SELECT *
FROM TABLE (DBMS_XPLAN.DISPLAY);
-- 0 select statement
-- 1 hash join (access("T1"."ID"="T2"."ID"))
-- 2 table access full table1
-- 3 table access ful...