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Warn user before leaving web page with unsaved changes
...virtual inputs.
Binding the input event to all inputs (and textareas and selects) on your page won't work on older browsers and, like all event handling solutions mentioned above, doesn't support undo. When a user changes a textbox and then undoes that, or checks and unchecks a checkbox, the form ...
What are the uses of “using” in C#?
...ring> result = events.OrderBy(ev => ev.Key)
.Select(ev => ev.Value)
.ToList();
return result;
}
throw new ArgumentException("Event dictionary is null or empty.");
};
r...
how to check and set max_allowed_packet mysql variable [duplicate]
...ass', 'dbname' );
// to get the max_allowed_packet
$maxp = $db->query( 'SELECT @@global.max_allowed_packet' )->fetch_array();
echo $maxp[ 0 ];
// to set the max_allowed_packet to 500MB
$db->query( 'SET @@global.max_allowed_packet = ' . 500 * 1024 * 1024 );
So if you've got a query you exp...
Finding what branch a Git commit came from
...ere over 200 candidate branches) to track down the path to each commit.
Selection of a particular --reference-branch --reference tag to examine will be hundreds of times faster (if you have hundreds of candidate branches).
EXAMPLES
# git-what-branch --all 1f9c381fa3e0b9b9042e310c69df87eaf...
Where Is Machine.Config?
...r opens up
Open "Framework"/"Framework64" folder(based on your processor).
Select specific FW version folder e.g. "v4.0.30319"
Open config folder
Machine.config will be available there.
Cheers.
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Unable to make the session state request to the session state server
...eps are taken to fix this.
(1) Open Run.
(2) Type Services.msc
(3) Select ASP.NET State Service
(4) Right Click and Start it.
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How do you default a new class to public when creating it in Visual Studio?
When I right click in the Solution of a C# Visual Studio project and select Add... > Class... it creates a class without a public modifier. How do I get Visual Studio (2008) to default the class to a public class?
...
Capistrano error tar: This does not look like a tar archive
...epo, and run git branch.
It's running git archive as a way to export the selected branch's tree. git archive "writes it out to the standard output" so Capistrano redirects that to tar in order to uncompress the archive immediately into your new release directory.
(Why Capistrano chose this instead...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...aping quote will be trimmed (in the 21st character). Then the SQL
sSQL = "select * from USERS where username = '" + username + "' and password = '" + password + "'"
combined with the aforementioned malformed username will result in the password already being outside the quotes, and will just con...
What is the difference between pluck and collect in Rails?
...ds with Rails 4, still use pluck
if you need some fields with Rails 3, use selectand collect
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