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How to get parameters from the URL with JSP
...ed for input on your query
public int delete(int subjectid) {
String sql = "update tbl_subject set isdeleted= '1' where id = "+subjectid+"";
return template.update(sql);
}
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What are best practices that you use when writing Objective-C and Cocoa? [closed]
... is much less bloated and more memory-efficient when set to nonatomic.
6) SQLite can be a very, very fast way to cache large data sets. A map application for instance can cache its tiles into SQLite files. The most expensive part is disk I/O. Avoid many small writes by sending BEGIN; and COMMIT; b...
PostgreSQL database default location on Linux
What is the default directory where PostgreSQL will keep all databases on Linux?
8 Answers
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`find -name` pattern that matches multiple patterns
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My default has been:
find -type f | egrep -i "*.java|*.css|*.cs|*.sql"
Like the less process intencive find execution by Brendan Long and Stephan202 et al.:
find Documents \( -name "*.py" -or -name "*.html" \)
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Possible to perform cross-database queries with PostgreSQL?
...sult ), but is there anyway to perform a cross-database query using PostgreSQL?
8 Answers
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How can I get dict from sqlite query?
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You could use row_factory, as in the example in the docs:
import sqlite3
def dict_factory(cursor, row):
d = {}
for idx, col in enumerate(cursor.description):
d[col[0]] = row[idx]
return d
con = sqlite3.connect(":memory:")
con.row_factory = dict_factory
cur = con.curso...
Count Rows in Doctrine QueryBuilder
...duces additional query like SELECT COUNT(*) AS dctrn_count FROM (_ORIGINAL_SQL_) dctrn_result) dctrn_table which is actually nothing special but well known COUNT(*) solution
– Vladyslav Kolesov
Feb 23 '16 at 17:32
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Hibernate SessionFactory vs. JPA EntityManagerFactory
...The Session and the `EntityManager translate entity state transitions into SQL statements, like SELECT, INSERT, UPDATE, and DELETE.
Hibernate vs. JPA bootstrap
When bootstrapping a JPA or Hibernate application, you have two choices:
You can bootstrap via the Hibernate native mechanism, and creat...
MySQL error 1449: The user specified as a definer does not exist
...r is a more little tricky:
How to change the definer for views
Run this SQL to generate the necessary ALTER statements
SELECT CONCAT("ALTER DEFINER=`youruser`@`host` VIEW ",
table_name, " AS ", view_definition, ";")
FROM information_schema.views
WHERE table_schema='your-database-name';
Copy ...
How do I remove the first characters of a specific column in a table?
In SQL, how can I remove the first 4 characters of values of a specific column in a table? Column name is Student Code and an example value is ABCD123Stu1231 .
I want to remove first 4 chars from my table for all records
...