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Select count(*) from multiple tables
How can I select count(*) from two different tables (call them tab1 and tab2 ) having as result:
18 Answers
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javax.faces.application.ViewExpiredException: View could not be restored
...session cookie is not maintained anymore for some reason in browser, or by calling HttpSession#invalidate() in server, or due a server specific bug with session cookies as known in WildFly), then the serialized view state is not available anymore in the session and the enduser will get this exceptio...
Clear form field after select for jQuery UI Autocomplete
... it works around line 109 here.
The code in there checks for false specifically:
if ( false !== self._trigger( "select", event, { item: item } ) ) {
self.element.val( item.value );
}
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How can I deploy an iPhone application from Xcode to a real iPhone device?
... I couldn't bother to find a new one... Except for this, which uses a tool called Theos but I couldn't go through the whole process.
Finally, if you need to uninstall it for whatever reason, check the end of this post. In my case, I had to because I couldn't figure out why all of the blue this whol...
How To Change DataType of a DataColumn in a DataTable?
...e of the column after the DataTable is filled, you can change it after you call FillSchema, but before you call Fill. For example, say the 3rd column is the one you want to convert from double to Int32, you could use:
adapter.FillSchema(table, SchemaType.Source);
table.Columns[2].DataType = typeof ...
Freely convert between List and IEnumerable
... IEnumerable<T> is a List<T> offcourse, so then you'll have to call the ToList() member method of the IEnumerable<T>.
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Easy idiomatic way to define Ordering for a simple case class
...= Ordering.by(unapply)
}
This has the benefit that it is updated automatically whenever A changes. But, A's fields need to be placed in the order by which the ordering will use them.
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How may I sort a list alphabetically using jQuery?
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@DougDomeny is right. Better to call $(".list").children(), if possible, or set up the selector with immediate child relationship like $(".list > li")
– mroncetwice
Dec 17 '14 at 19:46
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How do I get the width and height of a HTML5 canvas?
...in the canvas element, the default 300x150 size will be returned. To dynamically get the correct width and height use the following code:
const canvasW = canvas.getBoundingClientRect().width;
const canvasH = canvas.getBoundingClientRect().height;
Or using the shorter object destructuring syntax:
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Why was the arguments.callee.caller property deprecated in JavaScript?
Why was the arguments.callee.caller property deprecated in JavaScript?
4 Answers
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