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Rename column SQL Server 2008
I am using SQL Server 2008 and Navicat. I need to rename a column in a table using SQL.
11 Answers
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FirstOrDefault: Default value other than null
As I understand it, in Linq the method FirstOrDefault() can return a Default value of something other than null. What I haven't worked out is what kind of things other than null can be returned by this (and similar) method when there are no items in the query result. Is there any particular wa...
How to run Ruby code from terminal?
...un a few lines of Ruby code from terminal, but I can't find the needed parameter for it.
2 Answers
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MySQL: Insert record if not exists in table
...t you can actually do what you were attempting:
CREATE TABLE `table_listnames` (
`id` int(11) NOT NULL auto_increment,
`name` varchar(255) NOT NULL,
`address` varchar(255) NOT NULL,
`tele` varchar(255) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB;
Insert a record:
INSERT INTO table_li...
How to find the JVM version from a program?
...ersion") returns what you need.
You can also use JMX if you want:
ManagementFactory.getRuntimeMXBean().getVmVersion()
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Quick and easy file dialog in Python?
...e any other dependencies.
To show only the dialog without any other GUI elements, you have to hide the root window using the withdraw method:
import tkinter as tk
from tkinter import filedialog
root = tk.Tk()
root.withdraw()
file_path = filedialog.askopenfilename()
Python 2 variant:
import Tki...
Linux command (like cat) to read a specified quantity of characters
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How to pass an array within a query string?
...t box set to multiple:
<form>
<select multiple="multiple" name="cars[]">
<option>Volvo</option>
<option>Saab</option>
<option>Mercedes</option>
</select>
</form>
(NOTE: In this case, it would be impor...
Which is better, return “ModelAndView” or “String” on spring3 controller
...Spring allows you to do it either way.
Historically, the two approaches come from different versions of Spring. The ModelAndView approach was the primary way of returning both model and view information from a controller in pre-Spring 2.0. Now you can combine the Model parameter and the String retu...
What is the Python equivalent of static variables inside a function?
...only one instance of foo - this one function. all invocations access the same variable.
– Claudiu
Nov 10 '08 at 23:49
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