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Rails: How do I create a default value for attributes in Rails activerecord's model? [duplicate]
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Note, MySQL doesn't allow default values on TEXT/BLOB columns. Otherwise this is the ideal solution
– Andrew Vit
Mar 20 '13 at 18:35
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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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PostgreSQL create table if not exists
In a MySQL script you can write:
6 Answers
6
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What is event bubbling and capturing?
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Bubbling
Event propagate to the upto root element is **BUBBLING**.
Capturing
Event propagate from body(root) element to eventTriggered Element is **CAPTURING**.
Django - How to rename a model field using South?
...e slower than the 'rename_column' that other people have suggested. I know MySQL can do a "ALTER TABLE ... rename column" (or whatever it is) quite quickly.
– Rory
Jul 18 '11 at 10:01
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Handle Guzzle exception and get HTTP body
...items.
Side Notes:
With catch clause we catch the inheritance chain PHP root exception class
\Exception as Guzzle custom exceptions extend it.
This approach may be useful for use cases where Guzzle is used under the hood like in Laravel or AWS API PHP SDK so you cannot catch the genuine Guzzle e...
Image fingerprint to compare similarity of many images
...on histogram on the canvas and compare that polygon in your database (e.g. mySQL spatial ...)
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Map enum in JPA with fixed values?
...nverter.
Create an enumerated class like so:
public enum NodeType {
ROOT("root-node"),
BRANCH("branch-node"),
LEAF("leaf-node");
private final String code;
private NodeType(String code) {
this.code = code;
}
public String getCode() {
return code;
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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
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
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}
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...