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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...
Difference between rake db:migrate db:reset and db:schema:load
.../schema.rb.
db:structure:load - Recreates the database from the structure.sql file.
db:structure:dump - Dumps the current environment’s schema to db/structure.sql.
(You can specify another file with SCHEMA=db/my_structure.sql)
db:setup Runs db:create, db:schema:load and db:seed.
db:reset Runs...
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. ...