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What framework for MVVM should I use? [closed]
...validation
viewmodel base classes: relaycommand, closeableviewmodel…
SQL server data access layer
Basic MVVM framework
• Author: Lester Lobo
• Silverlight support: no
• Documentation: sample application available with the library
• Hosting: CodePlex
• Lic...
How to return a file using Web API?
...le(long id)
{
HttpResponseMessage result = null;
try
{
SQL.File file = db.Files.Where(b => b.ID == id).SingleOrDefault();
if (file == null)
{
result = Request.CreateResponse(HttpStatusCode.Gone);
}
else
{
// send...
Calling shell functions with xargs
...c 'echo_var "$@"' _ {}
$(date)
This is comparable to using parameterized SQL queries to avoid injection.
I'm using date in a command substitution or in escaped quotes here instead of the rm command used in Sasha's comment since it's non-destructive.
...
Converting between datetime, Timestamp and datetime64
...nk this is the best answer I've ever seen. Coming from Excel, VBA, SAS, or SQL, Python seems weird because there's not just "one way" to work with dates/times. As with many things in Python or R, it seems one must choose a favourite method/module/class and stick with it.
– Sean...
When should you NOT use a Rules Engine? [closed]
...rent of what now is a Custom Business Rule engine, capable of handling all SQL standard operators. Initially we've been using Excel as an authoring tool and , later on, we've created an ASP.net application which will allow the Business Users to define their own business rules, without the need of wr...
How to create a drop-down list?
...ths = {"item 1", "item 2", "item 3"}; help of php code taking data from my sql How can I Take these Value from mysql server and make dynamic and admin Updatable spinner
– Ashish Shahi
May 31 '17 at 10:17
...
What is Bootstrap?
...are not comparable. Joomla is a content management system built on PHP and SQL while Bootply is a website that is used for experimenting with the Bootstrap framework(completely different). Think of Bootply as a JSFiddle that is specifically for Bootstrap. And yes, Bootply is always free.
...
Unable to create a constant value of type Only primitive types or enumeration types are supported in
... would load all data in memory first and then query it. Should I write raw sql for this scenarios?
– Arvand
Dec 28 '15 at 11:30
...
Simple way to copy or clone a DataRow?
... .Select() function got several options and this one e.g. can be read as a SQL
SELECT * FROM sourceTable WHERE searchColumn = value;
Then you can import the rows you want as described above.
targetTable.ImportRows(rows[n])
...for any valid n you like, but the columns need to be the same in ea...
Cannot change column used in a foreign key constraint
...ELETE ) will wait till timeout or UNLOCK TABLES; is executed
http://dev.mysql.com/doc/refman/5.5/en/lock-tables.html
EDIT 2: OP asked for a more detailed explanation of the line "The type and definition of foreign key field and reference must be equal. This means your foreign key disallows changin...