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Spring Boot JPA - configuring auto reconnect
...onfiguring the DataSource for you. In this case, and since you are using MySQL, you can add the following to your application.properties up to 1.3
spring.datasource.testOnBorrow=true
spring.datasource.validationQuery=SELECT 1
As djxak noted in the comment, 1.4+ defines specific namespaces for the...
A potentially dangerous Request.Form value was detected from the client
...ote character on the other hand is dangerous when interpolating strings in SQL queries, but perfectly safe if it is a part of a name submitted from a form or read from a database field.
The bottom line is: you can't filter random input for dangerous characters, because any character may be dangerous...
Get record counts for all tables in MySQL database
Is there a way to get the count of rows in all tables in a MySQL database without running a SELECT count() on each table?
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How to get distinct values for non-key column fields in Laravel?
... (you can use it, but you shouldn't use it). You should use distinct. In MySQL you can use DISTINCT for a column and add more columns to the resultset: "SELECT DISTINCT name, id, email FROM users". With eloquent you can do this with $this->select(['name', 'id', 'email'])->distinct()->get();...
Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entit
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How would you handle schema updating for already deployed SQL Server CE database ? Can move this to a separate question, if it's totally unrelated procedure
– FYK
Aug 20 '15 at 6:32
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Setting default values for columns in JPA
...till has only @Column(columnDefinition='...') to which you put the literal SQL definition of the column. Which is quite unflexible and forces you to also declare the other aspects like type, short-circuiting the JPA implementation's view on that matter.
Hibernate though, has this:
@Column(length =...
method of iterating over sqlalchemy model's defined columns?
... trying to figure out how to iterate over the list of columns defined in a SQLAlchemy model. I want it for writing some serialization and copy methods to a couple of models. I can't just iterate over the obj.__dict__ since it contains a lot of SA specific items.
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How can I search Git branches for a file or directory?
...used this for a slightly different problem. I was trying to find all the *.sql files I had committed to a particular branch. So I used git log --grep='branch' --author='me' -- *.sql. Worked like a charm. git version 1.7.11.1
– thepriebe
Sep 17 '12 at 22:57
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Distinct() with lambda?
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@sudhAnsu63 this is a limitation of LinqToSql (and other linq providers). The intent of LinqToX is to translate your C# lambda expression into the native context of X. That is, LinqToSql converts your C# into SQL and executes that command natively wherever possible. ...
Return anonymous type results?
... what is the best way to return results from multiple tables using Linq to SQL?
16 Answers
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