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Create the perfect JPA entity [closed]
...sues as AccessType, immutable properties, equals/hashCode, ... .
So I decided to try and find out the general best practice for each issue and write this down for personal use.
I would not mind however for anyone to comment on it or to tell me where I'm wrong.
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How to get an array of specific “key” in multidimensional array without looping
Let's assume I have the following multidimensional array (retrieved from MySQL or a service):
4 Answers
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Android list view inside a scroll view
I have an android layout which has a scrollView with a number of elements with in it. At the bottom of the scrollView I have a listView which is then populated by an adapter.
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Reorder / reset auto increment primary key
...ySQL table with an auto increment primary key. I deleted some rows in the middle of the table. Now I have, for example, something like this in the ID column: 12, 13, 14, 19, 20. I deleted the 15, 16, 17 and 18 rows.
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Rails select helper - Default selected value, how?
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This should do it:
<%= f.select :project_id, @project_select, :selected => params[:pid] %>
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How to easily initialize a list of Tuples?
...s TupleList<T1, T2> : List<Tuple<T1, T2>>
{
public void Add( T1 item, T2 item2 )
{
Add( new Tuple<T1, T2>( item, item2 ) );
}
}
This allows you to do the following:
var groceryList = new TupleList<int, string>
{
{ 1, "kiwi" },
{ 5, "apples...
The object cannot be deleted because it was not found in the ObjectStateManager
... instance). Try this:
protected MyEntities sqlEntities;
public virtual void Delete(TEntity entity)
{
sqlEntities.Attach(entity);
sqlEntities.DeleteObject(entity);
sqlEntities.SaveChanges();
}
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How to use dashes in HTML-5 data-* attributes in ASP.NET MVC
...hink there are any immediate helpers for achieving this, but I do have two ideas for you to try:
// 1: pass dictionary instead of anonymous object
<%= Html.ActionLink( "back", "Search",
new { keyword = Model.Keyword, page = Model.currPage - 1},
new Dictionary<string,Object> { {"cla...
How to change value of object which is inside an array using JavaScript or jQuery?
...a? I mean give the object a name to fetch its data.Just like the object inside array.So,can I used in that way : jquery-ui.jquery-ui.desc = ....
– qinHaiXiang
Jan 14 '11 at 10:09
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How to Reload ReCaptcha using JavaScript?
... for the captcha response doesn't appear to be removed, leaving my form valid.
– Damian Green
Sep 28 '16 at 12:51
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