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Javascript Equivalent to C# LINQ Select
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Yes, Array.map() or $.map() does the same thing.
//array.map:
var ids = this.fruits.map(function(v){
return v.Id;
});
//jQuery.map:
var ids2 = $.map(this.fruits, function (v){
return v.Id;
});
console.log(ids, ids2);
http://jsfiddle.net/NsCXJ/1/
Since array.map isn't supported ...
Is there a way to list open transactions on SQL Server 2000 database?
...ion of active transaction by the help of below query
SELECT
trans.session_id AS [SESSION ID],
ESes.host_name AS [HOST NAME],login_name AS [Login NAME],
trans.transaction_id AS [TRANSACTION ID],
tas.name AS [TRANSACTION NAME],tas.transaction_begin_time AS [TRANSACTION
BEGIN TIME],
tds.database_id A...
Stop Mongoose from creating _id property for sub-document array items
If you have subdocument arrays, Mongoose automatically creates ids for each one. Example:
6 Answers
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Android Text over image
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That is how I did it and it worked exactly as you asked for inside a RelativeLayout:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/relativelayout"
android:layout_width="fill_par...
Delete with Join in MySQL
...ts table:
DELETE posts
FROM posts
INNER JOIN projects ON projects.project_id = posts.project_id
WHERE projects.client_id = :client_id
EDIT: For more information you can see this alternative answer
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Remove element by id
... }
}
And then you can remove elements like this
document.getElementById("my-element").remove();
or
document.getElementsByClassName("my-elements").remove();
Note: this solution doesn't work for IE 7 and below. For more info about extending the DOM read this article.
EDIT: Reviewing my ans...
How do I change an HTML selected option using JavaScript?
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Change
document.getElementById('personlist').getElementsByTagName('option')[11].selected = 'selected'
to
document.getElementById('personlist').value=Person_ID;
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Javascript Shorthand for getElementById
Is there any shorthand for the JavaScript document.getElementById? Or is there any way I can define one? It gets repetitive retyping that over and over .
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Do AJAX requests retain PHP Session info?
If I had a user logged onto my site, having his id stored in $_SESSION , and from his browser he clicked a 'Save' button which would make an AJAX request to the server. Will his $_SESSION and cookies be retained in this request, and can I safely rely on the id being present in the $_SESSION ?
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Difference between one-to-many and many-to-one relationship
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Yes, it a vice versa. It depends on which side of the relationship the entity is present on.
For example, if one department can employ for several employees then, department to employee is a one to many relationship (1 department employs many employees), while employ...