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Separation of business logic and data access in django
...an find the business logic and entities as perceived by your end user, the former is where you actually store your data.
Furthermore, I've interpreted the 3rd part of your question as: how to notice failure to keep these models separate.
These are two very different concepts and it's always hard to ...
Is it possible to deserialize XML into List?
...("user")] to avoid an extra level of elements. Looking at this, I thought for sure that it would have emitted a <user> or <Items> node (if you did not have the XmlElement attribute), and then add <user> nodes under that. But I tried it and it did not, thus emitting exactly what t...
Store query result in a variable using in PL/pgSQL
...
I think you're looking for SELECT INTO:
select test_table.name into name from test_table where id = x;
That will pull the name from test_table where id is your function's argument and leave it in the name variable. Don't leave out the table name...
Is there a command to list all Unix group names? [closed]
...sers assigned to them, use this command:
cut -d: -f1 /etc/group | sort
For more info- >
Unix groups,
Cut command,
sort command
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Laravel Eloquent ORM Transactions
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Sadly it is not working for me if I am creating instance of different models who are storing record in their own relevant methods.
– Volatil3
Aug 28 '15 at 11:22
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jQuery: How can i create a simple overlay?
...matter if you scroll) and has some sort of opacity.
This will be your CSS for cross browser opacity of 0.5:
#overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: #000;
filter:alpha(opacity=50);
-moz-opacity:0.5;
-khtml-opacity...
What does android:layout_weight mean?
...s. E.g. you have a MapView and a table which should show some additional information to the map. The map should use 3/4 of the screen and table should use 1/4 of the screen. Then you will set the layout_weight of the map to 3 and the layout_weight of the table to 1.
To get it work you also have to...
How to add local jar files to a Maven project?
...ered under e.g → com.google.code
<artifact-id>: the artifact name for the file e.g → kaptcha
<version>: the version of the file e.g → 2.3
<packaging>: the packaging of the file e.g. → jar
Reference
Maven FAQ: I have a jar that I want to put into my local repository. H...
Set Focus on EditText
I have an EditText-Field and set an OnFocusChangeListener for it. When it has lost focus, a method is called, which checks the value of the EditText with one in the database. If the return-value of the method is true, a toast is shown and the focus should get back on the EditText again. The focus sh...
ActiveRecord: List columns in table from console
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Great! Using Model.columns provides all the information for a table through ActiveRecord. Crucially for me it was the only and easiest way to gain confidence in what my primary key really was at the database level.
– nibbex
Mar 11 '...