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Avoid duplicates in INSERT INTO SELECT query in SQL Server
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Using ignore Duplicates on the unique index as suggested by IanC here was my solution for a similar issue, creating the index with the Option WITH IGNORE_DUP_KEY
In backward compatible syntax
, WITH IGNORE_DUP_KEY is equivalent to WITH IGNORE_DUP_KEY = ON.
Ref.: index_option
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Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...y). JSF will skip processing of all other components which are not covered by process attribute. Also, components whose rendered attribute evaluates to false during apply request values phase will also be skipped as part of safeguard against tampered requests.
Note that it's in case of ActionSource ...
Join/Where with LINQ and Lambda
...load all of its records associated with it via the foreign key represented by the 'Post_metas' property":
var dataLoadOptions = new DataLoadOptions();
dataLoadOptions.LoadWith<Post>(p => p.Post_metas);
var dataContext = new MyDataContext();
dataContext.LoadOptions = dataLoadOptions;
var ...
Immutable vs Mutable types
...'bar'
print s # foobar
The value of the variable changes, but it changes by changing what the variable refers to. A mutable type can change that way, and it can also change "in place".
Here is the difference.
x = something # immutable type
print x
func(x)
print x # prints the same thing
x = som...
Do htmlspecialchars and mysql_real_escape_string keep my PHP code safe from injection?
...would allow the attacker to return all the rows.
Or
1 or is_admin=1 order by id limit 1
which produces
SELECT fields FROM table WHERE id=1 or is_admin=1 order by id limit 1
Which allows the attacker to return the first administrator's details in this completely fictional example.
Whilst these...
How do you determine what SQL Tables have an identity column programmatically
...ject_id(TABLE_SCHEMA+'.'+TABLE_NAME), COLUMN_NAME, 'IsIdentity') = 1
order by TABLE_NAME
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Spring Data: “delete by” is supported?
...ing Spring JPA for database access. I am able to find examples such as findByName and countByName, for which I dont have to write any method implementation. I am hoping to find examples for delete a group of records based on some condition.
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Converting an array of objects to ActiveRecord::Relation
...lizarHristov That's because it's now a relation, which can only be ordered by a column, and not any way you want. Relations are faster to handle large data sets, and there will be some trade-offs.
– Marco Prins
Mar 17 '15 at 9:45
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How to access parent scope from within a custom directive *with own scope* in AngularJS?
...ally hacky or unmaintainable. For example, I know I could do it right now by taking the $scope from the preLink parameters and iterating over it's $sibling scopes to find the conceptual "parent".
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Insert multiple rows WITHOUT repeating the “INSERT INTO …” part of the statement?
...ou might have figured this out yet long ago, but it's really quite simple. By using select you create a set with columns and rows, and by design these rows can be inserted into another table with an equal amount of columns. You can even use a mixture of literals and values. For example, using insert...