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Spring Data: “delete by” is supported?
...ing 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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How to generate a git patch for a specific commit?
...repare patches from the topmost commits.
Apply the patch with the command:
git am < file.patch
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How to pass table value parameters to stored procedure from .net code
...meters that I pass to a stored proc as an nvarchar (separated by commas) and internally divide into single values. I add it to the SQL command parameters list like this:
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REST API Best practice: How to accept list of parameter values as input [closed]
We are launching a new REST API and I wanted some community input on best practices around how we should have input parameters formatted:
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How to open the Google Play Store directly from my Android application?
...CTION_VIEW, Uri.parse("market://details?id=" + appPackageName)));
} catch (android.content.ActivityNotFoundException anfe) {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.com/store/apps/details?id=" + appPackageName)));
}
We use a try/catch block here because an E...
How should equals and hashcode be implemented when using JPA and Hibernate
How should model class's equals and hashcode be implemented in Hibernate? What are the common pitfalls? Is the default implementation good enough for most cases? Is there any sense to use business keys?
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Android: checkbox listener
I want to put a Listener over a CheckBox . I looked for info and it is like this:
10 Answers
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How do I create a URL shortener?
...a URL shortener service where you can write a long URL into an input field and the service shortens the URL to " http://www.example.org/abcdef ".
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Sqlite primary key on multiple columns
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@pratnala In standard SQL, yes. In SQLite, NULL is allowed in primary keys. This answer emphasizes that if you want more standard behavior, you need to add the NOT NULL yourself. My answer is just the very basic syntax for a multi-column pr...
MySQL和MongoDB设计实例进行对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...signed NOT NULL AUTO_INCREMENT,
`name` VARCHAR(100) NOT NULL,
`brand` VARCHAR(100) NOT NULL,
PRIMARY KEY (`id`)
);
CREATE TABLE IF NOT EXISTS `mobile_params` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`mobile_id` int(10) unsigned NOT NULL,
`name` varchar(100) ...