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JPA: How to have one-to-many relation of the same Entity type
...both). But this resulted in a duplicate row being inserted into my Address table. Is this because I have misconfigured my CascadeType on the User's address field?
– Alex
Aug 25 '13 at 12:17
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How to encrypt/decrypt data in php?
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Foreword
Starting with your table definition:
- UserID
- Fname
- Lname
- Email
- Password
- IV
Here are the changes:
The fields Fname, Lname and Email will be encrypted using a symmetric cipher, provided by OpenSSL,
The IV field will store the init...
How does facebook, gmail send the real time notification?
...oblems away. In terms of PHP, you could simply poll an event log database table in your PHP script, and only return to the client when something happens? There are, I expect, many ways of implementing this.
Implementing:
Server Side:
There appear to be a few implementations of comet libraries in...
Could not find an implementation of the query pattern
...se connection using LINQ.
First I add a new LINQ to SQL class, and drag my table called "tblPersoon" into it.
9 Answers
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iOS 7 status bar back to iOS 6 default style in iPhone app?
...ontroller and UITabBarController will also try to pad the contentInsets of table views and collection views in its subview hierarchy. It does this in a manner similar to the status bar logic from #4. There is a programmatic way of preventing this, by setting automaticallyAdjustsScrollViewInsets to N...
Are there any open source C libraries with common data structures? [closed]
...r a C library with common reusable data structures like linked lists, hash tables etc. Something like the source distributed with Mastering Algorithms with C (Paperback) by Kyle Loudon .
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SQL Server Restore Error - Access is Denied
I created a database on my local machine and then did a backup called tables.bak of table DataLabTables .
19 Answers
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How can the Euclidean distance be calculated with NumPy?
... description here: stats.stackexchange.com/questions/322620/… . I have 2 tables of 'operations'; each has a 'code' label, but the two sets of labels are totally different. my goal is to find the best or closest code from the second table corresponding to a fixed code in the first (I know what the ...
CSS @media print issues with background-color;
...and we have a product that uses miles of css. I'm attempting to make a printable stylesheet for our app but I'm having issues with background-color in @media print .
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How do I perform an IF…THEN in an SQL SELECT?
...LSE <returndefaultcase>
END AS <newcolumnname>
FROM <table>
The extended case:
SELECT CASE WHEN <test> THEN <returnvalue>
WHEN <othertest> THEN <returnthis>
ELSE <returndefaultcase>
END AS ...