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Unique constraint on multiple columns
...ied from technet's documentation, is in the form of:
CONSTRAINT constraint_name UNIQUE [ CLUSTERED | NONCLUSTERED ]
(
column [ ASC | DESC ] [ ,...n ]
)
Therefore, the resuting table definition would be:
CREATE TABLE [dbo].[user](
[userID] [int] IDENTITY(1,1) NOT NULL,
[fcode] [int] ...
How to do associative array/hashing in JavaScript
...ciative arrays.
Associative Array: In simple words associative arrays use Strings instead of Integer numbers as index.
Create an object with
var dictionary = {};
JavaScript allows you to add properties to objects by using the following syntax:
Object.yourProperty = value;
An alternate syntax f...
What does “%” (percent) do in PowerShell?
..." symbol - it makes it harder for folks to read/maintain your code - especially people new to PS. Let's face it, the more people that pick up PS, the better.
– Simon Catlin
Apr 3 '14 at 20:17
...
SqlException from Entity Framework - New transaction is not allowed because there are other threads
...red that the foreach loops were the culprits. What needs to happen is to call EF but return it into an IList<T> of that target type then loop on the IList<T>.
Example:
IList<Client> clientList = from a in _dbFeed.Client.Include("Auto") select a;
foreach (RivWorks.Model.Negotiati...
How to Iterate over a Set/HashSet without an Iterator?
...
You can use an enhanced for loop:
Set<String> set = new HashSet<String>();
//populate set
for (String s : set) {
System.out.println(s);
}
Or with Java 8:
set.forEach(System.out::println);
...
date format yyyy-MM-ddTHH:mm:ssZ
...UTC
ISO 8601 (MSDN datetime formats)
Console.WriteLine(DateTime.UtcNow.ToString("s") + "Z");
2009-11-13T10:39:35Z
The Z is there because
If the time is in UTC, add a 'Z'
directly after the time without a
space. 'Z' is the zone designator for
the zero UTC offset. "09:30 UTC" is
t...
grep exclude multiple strings
...ile using tail -f and want to exclude all lines containing the following strings:
7 Answers
...
ASP.NET_SessionId + OWIN Cookies do not send to browser
...encies:
public class SystemWebCookieManager : ICookieManager
{
public string GetRequestCookie(IOwinContext context, string key)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
var webContext = context.Get<HttpContextBase...
How do I trim a file extension from a String in Java?
...
str.substring(0, str.lastIndexOf('.'))
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JSON Array iteration in Android/Java
...
I have done it two different ways,
1.) make a Map
HashMap<String, String> applicationSettings = new HashMap<String,String>();
for(int i=0; i<settings.length(); i++){
String value = settings.getJSONObject(i).getString("value");
String name ...