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SQLite table constraint - unique on multiple columns
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If you already have a table and can't/don't want to recreate it for whatever reason, use indexes:
CREATE UNIQUE INDEX my_index ON my_table(col_1, col_2);
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How to pass table value parameters to stored procedure from .net code
...le table = new DataTable();
table.Columns.Add("ID", typeof(long));
foreach (long id in ids)
{
table.Rows.Add(id);
}
return table;
}
private static IEnumerable<SqlDataRecord> CreateSqlDataRecords(IEnumerable<long> ids)
{
SqlMetaData[] metaData = new SqlM...
List of Timezone ID's for use with FindTimeZoneById() in C#?
...rogram
{
static void Main(string[] args)
{
foreach (TimeZoneInfo z in TimeZoneInfo.GetSystemTimeZones())
Console.WriteLine(z.Id);
}
}
}
The TimeZoneId results on my Windows 7 workstation:
Dateline Standard Time
UTC-11
Samoa ...
How to execute maven plugin execution directly from command line?
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@mks-d see pluginGroups for why org.apache.maven.plugins:maven-antrun-plugin can be referred to as antrun.
– Joe
Feb 9 '19 at 10:53
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Difference between Destroy and Delete
...ment on the record's primary key, and no callbacks are executed.
To enforce the object's before_destroy and after_destroy callbacks or any :dependent association options, use #destroy.
ActiveRecord::Persistence.destroy
Deletes the record in the database and freezes this instance to reflect...
ASP.NET MVC 3: Override “name” attribute with TextBoxFor
Is it possible when using Html.TextBoxFor to override the name attribute?
11 Answers
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Call UrlHelper in models in ASP.NET MVC
... HttpContext
HttpContext.Current
which is derived from System.Web. Therefore, the following will work anywhere in an ASP.NET MVC application:
UrlHelper url = new UrlHelper(HttpContext.Current.Request.RequestContext);
url.Action("ContactUs"); // Will output the proper link according to routing in...
Converting Select results into Insert script - SQL Server [closed]
...at features - including generating INSERT statements from tables.
Update: for SQL Server Management Studio 2012 (and newer), SSMS Toolpack is no longer free, but requires a modest licensing fee.
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How to tell if a tag failed to load
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There is no error event for the script tag. You can tell when it is successful, and assume that it has not loaded after a timeout:
<script type="text/javascript" onload="loaded=1" src="....js"></script>
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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
...ernate error. I am able to identify the function which causes the issue. Unfortunately there are several DB calls in the function. I am unable to find the line which causes the issue since hibernate flush the session at the end of the transaction. The below mentioned hibernate error looks like a gen...