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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 split a string literal across multiple lines in C / Objective-C?
...re's a trick you can do with the pre-processor.
It has the potential down sides that it will collapse white-space, and could be confusing for people reading the code.
But, it has the up side that you don't need to escape quote characters inside it.
#define QUOTE(...) #__VA_ARGS__
const char *sql_qu...
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
2...
What's the difference between session.persist() and session.save() in Hibernate?
... transient instance persistent.
However, it doesn't guarantee that the
identifier value will be assigned to
the persistent instance immediately,
the assignment might happen at flush
time. The spec doesn't say that, which
is the problem I have with persist().
persist() also guarante...
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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How to add a TextView to LinearLayout in Android
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try using
LinearLayout linearLayout = (LinearLayout)findViewById(R.id.info);
...
linearLayout.addView(valueTV);
also make sure that the layout params you're creating are LinearLayout.LayoutParams...
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