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Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
...he scenes, but I don't have any extra code of my own that is modifying the tables. Is there a way to change this concurrency setting?
– strongopinions
Dec 4 '09 at 0:16
3
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Unique Constraint in Entity Framework Code First
... requirement yourself and leave the database out of it. This is a more portable solution and forces you to be clear about your business rules in your code, but leaves your database open to invalid data getting back-doored.
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LINQ Orderby Descending Query
... are ordering value which is null. If Delivery is a foreign key associated table then you should include this table first, example below:
var itemList = from t in ctn.Items.Include(x=>x.Delivery)
where !t.Items && t.DeliverySelection
orderby t.Deli...
CSS: 100% font size - 100% of what?
...serve a purpose is in Quirks mode, where font sizes are not inherited into tables. With this style, tables do get the parent font size. Of course, nobody in their right mind uses Quirks mode any more...
– Mr Lister
Feb 21 '14 at 19:25
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Should I use the datetime or timestamp data type in MySQL?
...y default, so to solve that matter U should write Your own trigger to that table, to insert current date (without time) in the field/col with DATE mysql type.
– Arthur Kushman
Oct 15 '12 at 19:13
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How do I view the list of functions a Linux shared library is exporting?
...at must be loaded from other shared objects have a U. Note that the symbol table does not include just functions, but exported variables as well.
See the nm manual page for more information.
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How do I find duplicates across multiple columns?
...V 8.0 introduced "window functions", as seen below (in MySQL 8.0)
CREATE TABLE stuff(
id INTEGER NOT NULL
,name VARCHAR(60) NOT NULL
,city VARCHAR(60) NOT NULL
);
INSERT INTO stuff(id,name,city) VALUES
(904834,'jim','London')
, (904835,'jim','London')
, (90145,'Fred','Paris')
, (9...
Do Facebook Oauth 2.0 Access Tokens Expire?
...rd.
Assume you store the user's facebook uid and access token in a users table in your database,every time the user clicks on the "Login with facebook" button, you check the login statususing facebook Javascript API, and then examine the connection status from the response,if the user has connecte...
How to Set Focus on Input Field using JQuery
...us attribute to the input field and voila!
function addfield() {
n=$('table tr').length;
$('table').append('<tr><td><input name=field'+n+' autofocus></td><td><input name=value'+n+'></td></tr>');
$('input[name="aa"'+n+']').focus();
}
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How to insert element into arrays at specific position?
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@Artefacto "Arrays" in PHP are, in fact, ordered hash tables. PHP arrays act like arrays, but they are never really arrays; nor are they linked lists, or array lists.
– Frederik Krautwald
Aug 10 '14 at 11:31
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