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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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Read only the first line of a file?
...self.
– Mark Amery
Oct 23 '16 at 22:51
@MarkAmery: Actually, because the file handle is not assigned to a variable, it...
Prevent screen rotation on Android
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edited Mar 4 '16 at 19:51
Peter Mortensen
26.5k2121 gold badges9292 silver badges122122 bronze badges
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How to get a value from a cell of a dataframe?
...54
Name: 2, dtype: float64
In [5]: sub_df.iloc[0]['A']
Out[5]: -0.13365288513107493
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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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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...
Running two projects at once in Visual Studio
...er. In Solution Explorer right click on the project, then Debug-> Start new Instance. So with one instance of VS one can debug loads of instances at once.
– Max
Oct 8 '10 at 10:13
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Can I change the color of Font Awesome's icon color?
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51
HTML:
<i class="icon-cog blackiconcolor">
css :
.blackiconcolor {color:black;...
Fastest Way of Inserting in Entity Framework
...anges() after for example 100 records and dispose the context and create a new one.
Disable change detection
For bulk inserts I am working and experimenting with a pattern like this:
using (TransactionScope scope = new TransactionScope())
{
MyDbContext context = null;
try
{
co...
What are the differences between a pointer variable and a reference variable in C++?
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References are not a kind of pointer. They are a new name for an existing object.
– catphive
Jul 20 '11 at 1:28
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