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What is the difference between SQL, PL-SQL and T-SQL?
... by almost all relational database management systems: SQL Server, Oracle, MySQL, PostgreSQL, DB2, Informix, etc.
PL/SQL is a proprietary procedural language used by Oracle
PL/pgSQL is a procedural language used by PostgreSQL
TSQL is a proprietary procedural language used by Microsoft in SQL Server....
What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
...;
}
But there were also buggy JDBC drivers, starting with the org.gjt.mm.mysql.Driver as well known example, which incorrectly registers itself inside the Constructor instead of a static block:
package com.dbvendor.jdbc;
import java.sql.Driver;
import java.sql.DriverManager;
public class BadDri...
nginx: send all requests to a single html page
...ke sure that you've got no old extra files sitting around in your document root directory, or they'll get served directly if queried.
– Alex Howansky
Aug 11 '11 at 14:47
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How do you organise multiple git repositories, so that all of them are backed up together?
...stem hierarchy including its own bin and lib dirs. There is script in the root of this tree that will setup your environment to add these bin, lib, etc... other dirs to the proper environment variables. So the root directory essentially looks like:
./bin/ # prepended to $PATH
./lib/ ...
Permission denied on accessing host directory in Docker
...preferred solution is to start the container with an entrypoint running as root, fix the uid/gid of the user inside the container to match the host volume uid/gid, and then use gosu to drop from root to the container user to run the application inside the container. The important script for this is ...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
...
Have you tried killing these zombie processes as root? I rebooted before I thought of doing it.
– Ryan H.
Jan 13 '12 at 16:34
1
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Does using final for variables in Java improve garbage collection?
...sweep GC algorithm, which has to examine all the live refereces in the GC "root" locations (like all the objects in the current call stack). Each live object is "marked" as being alive, and any object referred to by a live object is also marked as being alive.
After the completion of the mark phase...
PostgreSQL create table if not exists
In a MySQL script you can write:
6 Answers
6
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Convert form data to JavaScript object with jQuery
...ou're trying to serialize Rails-like forms, you may want to remove element root from the generated keys. To achieve that, I've added a new param keyMap and the following line: key = if keyMap? then keyMap(@name) else @name. Now you can pass mapping function like (name) -> name.match(/\[([^\]]+)]/...
How to make connection to Postgres via Node.js
... - I use Node-DBI to connect to PG, but also due to the ability to talk to MySQL and sqlite. Node-DBI also includes functionality to build a select statement, which is handy for doing dynamic stuff on the fly.
Quick sample (using config information stored in another file):
var DBWrapper = require...