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Update multiple rows in same query using PostgreSQL
...;
-- populate table with dummy rows
insert into results_dummy
(id, status)
select unnest(array[1,2,3,4,5]::int[]) as id, unnest(array['a','b','c','d','e']::text[]) as status;
select * from results_dummy;
-- THE update of multiple rows with/by different values
update results_dummy as rd
set stat...
How to change tab size on GitHub?
... by changing the blob segment with an edit segment and use the dropdown to select your prefered tab size.
Standard view: https://github.com/moroshko/mmSelect/blob/master/mm_select.js
Ace view: https://github.com/moroshko/mmSelect/edit/master/mm_select.js
...
For loop example in MySQL
...+1;
end while;
commit;
end #
delimiter ;
call load_foo_test_data();
select * from foo order by id;
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How to find foreign key dependencies in SQL Server?
...rted. It lists all Foreign Key Relationships within the current database.
SELECT
FK_Table = FK.TABLE_NAME,
FK_Column = CU.COLUMN_NAME,
PK_Table = PK.TABLE_NAME,
PK_Column = PT.COLUMN_NAME,
Constraint_Name = C.CONSTRAINT_NAME
FROM
INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS C
...
What is a “callback” in C and how are they implemented?
...ude <string.h>
typedef struct {
int iValue;
int kValue;
char label[6];
} MyData;
int cmpMyData_iValue (MyData *item1, MyData *item2)
{
if (item1->iValue < item2->iValue) return -1;
if (item1->iValue > item2->iValue) return 1;
return 0;
}
int cmpMyDa...
Proper way to renew distribution certificate for iOS
...ate
Login to Member Center > Certificates, Identifiers & Profiles, select the expiring certificate. Take note of the expiry date of the certificate, and click the ‘Revoke’ button.
Step 2: (Optional) Remove the revoked certificate from your Keychain
Optionally, if you don't want to ha...
Adding custom radio buttons in android
...
Add a background drawable that references to an image, or a selector (like below), and make the button transparent:
<RadioButton
android:id="@+id/radio0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@null"
android:...
Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
...eck what collations each column in your table(s) has by using this query:
SELECT
col.name, col.collation_name
FROM
sys.columns col
WHERE
object_id = OBJECT_ID('YourTableName')
Collations are needed and used when ordering and comparing strings. It's generally a good idea to have a sin...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...Core Foundation objects and memory allocated using malloc() for types like char*. ARC does not manage these types, only Objective-C objects, so you'll still need to deal with them yourself. Core Foundation types can be particularly tricky, because sometimes they need to be bridged across to matchi...
How to debug Spring Boot application with Eclipse?
...dd that Remote Java Application configuration in Run/Debug configurations, select the port/address you defined when starting your app, and then you are free to debug.
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