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Alter Table Add Column Syntax
... To clarify, the 'COLUMN' keyword is only valid (but not required) in MySQL.
– ethanbustad
Feb 12 '15 at 21:28
4
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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...
How can I have ruby logger log output to stdout as well as file?
...can do:
# config/environment/production.rb
file_logger = Logger.new(Rails.root.join("log/alternative-output.log"))
config.logger.extend(ActiveSupport::Logger.broadcast(file_logger))
Or if you're on Rails 3, you can backport it:
# config/initializers/alternative_output_log.rb
# backported from r...
Bootstrap 3.0 - Fluid Grid that includes Fixed Column Sizes
...bootstrap3 grid system supports row nesting which allows you to adjust the root row to allow fixed width side menus.
You need to put in a padding-left on the root row, then have a child row which contains your normal grid layout elements.
Here is how I usually do this
http://jsfiddle.net/u9gjjebj/...
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....
Revert the `--no-site-packages` option with virtualenv
...
At least for Python 3.5.2, there is pyvenv.cfg file in the root of virtualenv directory. All you need to do is to change include-system-site-packages flag from false to true:
home = /usr/bin
include-system-site-packages = false # <- change this to "true"
version = 3.5.2
...
.gitignore exclude folder but include specific subfolder
...attern you can leverage for a bit more shorthand solution:
# assuming the root folder you want to ignore is 'application'
application/**/*
# the subfolder(s) you want to track:
!application/language/gr/
This way you don't have to "unignore" parent directory of the subfolder you want to track.
...
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...
How can I disable the Maven Javadoc plugin from the command line?
... It also works to add these to the release plugin config in the root-level pom.xml: <configuration><arguments>-DskipTests -Dmaven.javadoc.skip=true</arguments></configuration>
– nclark
May 11 '16 at 14:17
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What is event bubbling and capturing?
...
Bubbling
Event propagate to the upto root element is **BUBBLING**.
Capturing
Event propagate from body(root) element to eventTriggered Element is **CAPTURING**.