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How do I make a checkbox required on an ASP.NET form?
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javascript function for client side validation (using jQuery)...
function CheckBoxRequired_ClientValidate(sender, e)
{
e.IsValid = jQuery(".AcceptedAgreement input:checkbox").is(':checked');
}
code-behind for server side validation...
protected void...
PHPExcel auto size column width
...has been explicitly created (perhaps by loading a template, or by manually calling getColumnDimension()) then it won't exist (memory saving).
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Capitalize first letter. MySQL
...rt of the db.
The function I created allows me to use this new function I called "UC_Words" just like the built in native functions of MySQL so that I can update a complete column like this:
UPDATE Table_name
SET column_name = UC_Words(column_name)
To insert the function code, I changed the MyS...
How do I join two SQLite tables in my Android application?
I have an Android project that has a database with two tables: tbl_question and tbl_alternative .
4 Answers
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Mongoose populate after save
I cannot manually or automatically populate the creator field on a newly saved object ... the only way I can find is to re-query for the objects I already have which I would hate to do.
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How to implement a unique index on two columns in rails
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add_index :subscriptions, [:user_id, :content_id], unique: true
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Difference: std::runtime_error vs std::exception()
..._error subtree, letting all others to pass through (and fly further up the call stack).
P.S. Designing a useful exception class hierarchy (that would let you catch only the exception types you are interested in at each point of your code) is a non-trivial task. What you see in standard C++ library ...
How to undo another user’s checkout in TFS?
... different ways to do this:
Command Line
There is a command-line utility called Tf.exe that comes with Team Explorer. Find the documentation here. It can be accessed by launching a Visual Studio Command Prompt window. The syntax of the command is:
tf undo [/workspace:workspacename[;workspaceowner...
Understanding NSRunLoop
... the thread?
In most applications, the main run loop will run automatically. However, you are responsible for starting the run loop and responding to incoming events for threads you spin.
is it possible to add some events to Thread run loop outside the thread?
I am not sure what yo...
How to style the option of an html “select” element?
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</select>
Select2 (JS lib)
There's a library you can use called Select2.
Dependencies: Library is JS + CSS + HTML only (does not require JQuery).
Compatibility: IE 8+, Chrome 8+, Firefox 10+, Safari 3+, Opera 10.6+
Demo: https://select2.org/getting-started/basic-usage
There's...