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Can I have multiple primary keys in a single table?
...omposite Primary Key which is a primary key made from two or more columns. For example:
CREATE TABLE userdata (
userid INT,
userdataid INT,
info char(200),
primary key (userid, userdataid)
);
Update: Here is a link with a more detailed description of composite primary keys.
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Bootstrap 3 Collapse show state with Chevron icon
...sing the core example taken from the Bootstrap 3 Javascript examples page for Collapse ,
I have been able to show the state of collapse using chevron icons.
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WebDriver: check if an element exists? [duplicate]
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this is the recommended way to look for non-exist element in selenium javadoc, just in case anyone needs a pointer to it: selenium.googlecode.com/git/docs/api/java/org/openqa/selenium/…
– Chen Xie
Mar 20 '15 at 22:35
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How to pass an array into a SQL Server stored procedure
...DataColumn("ID", typeof(int)));
// populate DataTable from your List here
foreach(var id in employeeIds)
tvp.Rows.Add(id);
using (conn)
{
SqlCommand cmd = new SqlCommand("dbo.DoSomethingWithEmployees", conn);
cmd.CommandType = CommandType.StoredProcedure;
SqlParameter tvparam = cmd...
WebView and HTML5
...t (video html5 tag) within a WebView, but I must say I had to deal with it for few days. These are the steps I had to follow so far:
-Find a properly encoded video
-When initializing the WebView, set the JavaScript, Plug-ins the WebViewClient and the WebChromeClient.
url = new String("http://bro...
MySQL Error 1215: Cannot add foreign key constraint
I am trying to forward engineer my new schema onto my db server, but I can't figure out why I am getting this error. I've tried to search for the answer here, but everything I've found has said to either set the db engine to Innodb or to make sure the keys I'm trying to use as a foreign key are pri...
pass string parameter in an onclick function
I would like to pass a parameter (i.e. a string) to an Onclick function. For the moment, I do this:
24 Answers
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Styling an input type=“file” button
...l need to use the size attribute:
<input type="file" size="60" />
For any styling more sophisticated than that (e.g. changing the look of the browse button) you will need to look at the tricksy approach of overlaying a styled button and input box on top of the native file input. The article...
CSS: fixed position on x-axis but not y?
...bar). It seems javascript refresh is slower than css refresh. Any solution for this?
– jsarma
Apr 25 '13 at 22:30
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Change default primary key in Eloquent
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For anyone else referencing this question, use one of the other answers. $primarykey should be $primaryKey (uppercase letter K) and won't work otherwise.
– Jeremy Harris
Feb 7 '14 at 20:...