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Advantage of creating a generic repository vs. specific repository for each object?
We are developing an ASP.NET MVC application, and are now building the repository/service classes. I'm wondering if there are any major advantages to creating a generic IRepository interface that all repositories implement, vs. each Repository having its own unique interface and set of methods.
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Multiple queries executed in java in single statement
Hi I was wondering if it is possible to execute something like this using JDBC as it currently provides an exception even though it is possible in the MySQL query browser.
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How to add a primary key to a MySQL table?
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After adding the column, you can always add the primary key:
ALTER TABLE goods ADD PRIMARY KEY(id)
As to why your script wasn't working, you need to specify PRIMARY KEY, not just the word PRIMARY:
alter table goods add column `id` ...
Notification passes old Intent Extras
i am creating a notification inside a BroadcastReceiver via this code:
6 Answers
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Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
...blic SSH key to the authorized_keys file. ssh localhost should log me in without asking for the password.
30 Answers
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Converting a string to JSON object
How do you make JS think that a string is JSON ?
9 Answers
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Convert Pandas column containing NaNs to dtype `int`
...For one of the columns, namely id , I want to specify the column type as int . The problem is the id series has missing/empty values.
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what is the difference between GROUP BY and ORDER BY in sql
When do you use which in general? Examples are highly encouraged!
11 Answers
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How exactly does the android:onClick XML attribute differ from setOnClickListener?
From that I've read you can assign a onClick handler to a button in two ways.
17 Answers
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Generate GUID in MySQL for existing Data?
...ble and I have a column "GUID" that I want to basically fill down all existing rows with new and unique random GUID's.
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