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Using the HTML5 “required” attribute for a group of checkboxes?
...
Unfortunately HTML5 does not provide an out-of-the-box way to do that.
However, using jQuery, you can easily control if a checkbox group has at least one checked element.
Consider the following DOM snippet:
<div class="checkbox-group required">
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How to perform a real time search and filter on a HTML table
...ce(/\s+/g, ' ').toLowerCase();
return !~text.indexOf(val);
}).hide();
});
Demo: http://jsfiddle.net/7BUmG/2/
Regular expression search
More advanced functionality using regular expressions will allow you to search words in any order in the row. It will work the same if you type apple...
How can I get Knockout JS to data-bind on keypress instead of lost-focus?
...ameters
valueUpdate
If your binding also includes a parameter called valueUpdate, this
defines which browser event KO should use to detect changes. The
following string values are the most commonly useful choices:
"change" (default) - updates your view model when the user
...
Add a column to a table, if it does not already exist
...bjects.
IF NOT EXISTS (
SELECT *
FROM sys.columns
WHERE object_id = OBJECT_ID(N'[dbo].[Person]')
AND name = 'ColumnName'
)
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AndroidRuntime error: Parcel: unable to marshal value
... seems that it adds the HashMap no problem, however when startActivty() is called I get a runtime error stating that Parcel: unable to marshal value com.appName.Liquor.
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How to get thread id from a thread pool?
....currentThread():
private class MyTask implements Runnable {
public void run() {
long threadId = Thread.currentThread().getId();
logger.debug("Thread # " + threadId + " is doing this task");
}
}
sha...
PostgreSQL query to return results as a comma separated list
Let say you have a SELECT id from table query (the real case is a complex query) that does return you several results.
5 ...
Passing arguments with spaces between (bash) script
...use $@ instead, so that someApp would receive two arguments if you were to call b.sh as
b.sh 'My first' 'My second'
With someApp "$*", someApp would receive a single argument My first My second. With someApp "$@", someApp would receive two arguments, My first and My second.
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How to use sessions in an ASP.NET MVC 4 application?
...s regular information across your application, to save additional database calls on each request, this data can be stored in an object and unserialised on each request, like so:
Our reusable, serializable object:
[Serializable]
public class UserProfileSessionData
{
public int UserId { get; set...
How to delete duplicate rows in SQL Server?
How can I delete duplicate rows where no unique row id exists?
23 Answers
23
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