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JPA CascadeType.ALL does not delete orphans
...eType.DELETE_ORPHAN, which can be used in conjunction with JPA CascadeType.ALL.
If you don't plan to use Hibernate, you'll have to explicitly first delete the child elements and then delete the main record to avoid any orphan records.
execution sequence
fetch main row to be deleted
fetch child...
How To Set Text In An EditText
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What might confuse a newbie is that setText actually takes a CharSequence and a BufferType. So it's useful to remember that Strings are CharSequence's
– Avatar33
Jun 11 '16 at 9:51
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How do I convert a dictionary to a JSON String in C#?
...izing several different classes, or more complex data structures, or especially if your data contains string values, you would be better off using a reputable JSON library that already knows how to handle things like escape characters and line breaks. Json.NET is a popular option.
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Create new user in MySQL and give it full access to one database
...r'@'hostname';
Try this to give it access to the database dbTest:
GRANT ALL PRIVILEGES ON dbTest.* To 'user'@'hostname' IDENTIFIED BY 'password';
If you are running the code/site accessing MySQL on the same machine, hostname would be localhost.
Now, the break down.
GRANT - This is the command...
Linux command (like cat) to read a specified quantity of characters
...tes=[-]N
print the first N bytes of each file; with the leading '-', print all but the last N bytes of each file
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How do I execute code AFTER a form has loaded?
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Old but gold... Yes, you are wrong. GUI can not run parallel tasks, what is important to do something WHILE another execution is done.
– Dennis Ziolkowski
Nov 22 '13 at 22:18
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Compile Views in ASP.NET MVC
...nclude the RazorGenerator nuget package in you ASP.NET MVC project and install the "Razor Generator" extension under item under Tools → Extensions and Updates.
We use this and the overhead per compile with this approach is much less. On top of this I would probably recommend .NET Demon by RedGate...
proper name for python * operator?
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In Ruby and Perl 6 this has been called "splat", and I think most people from those communities will figure out what you mean if you call it that.
The Python tutorial uses the phrase "unpacking argument lists", which is long and descriptive. I haven't heard...
IIS Express Windows Authentication
...t a silverlight application. I modified my applicationhost.config file to allow for modification of the proper configuration settings. I have the following in my web.config:
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How do iOS Push Notifications work?
... the documentation for more information and how to use and configure. It's all there.
Push Notifications
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