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MySQL foreign key constraints, cascade delete
... a stored procedure that will delete a category the way you want, and then call that procedure whenever you want to delete a category.
CREATE PROCEDURE `DeleteCategory` (IN category_ID INT)
LANGUAGE SQL
NOT DETERMINISTIC
MODIFIES SQL DATA
SQL SECURITY DEFINER
BEGIN
DELETE FROM
`products`
WHERE...
Code for a simple JavaScript countdown timer?
...nds to count down
onUpdateStatus: function(sec){console.log(sec);}, // callback for each second
onCounterEnd: function(){ alert('counter ended!');} // final action
});
myCounter.start();
function Countdown(options) {
var timer,
instance = this,
seconds = options.seconds || 10,
u...
Execute stored procedure with an Output parameter?
... I know all other possible ways to execute stored procedure(like EXEC , calling from C# or PHP) but this is the easiest and a non technical person can do this. so +1 for this and thx for sharing the information.
– Dhaval
Sep 3 '13 at 11:13
...
Deleting Row in SQLite in Android
...So it is not related to the UI. You just have to give information as dynamically so there is no need of security. If you follow the vijay's answer and some one do reverse engineering then you might got information about table with in the database and field you are compering. which i am doing directl...
Can you pass parameters to an AngularJS controller on creation?
...id;
$scope.name = name;
//Based on passed argument you can make a call to resource
//and initialize more objects
//$resource.getMeBond(007)
};
});
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How to use ELMAH to manually log errors
... One big caveat when using Elmah.ErrorLog.Log(): it throws in case the log call itself fails, possibly bringing down the whole web app. Raise() fails silently. For instance: if there is a misconfiguration issue on the server-side (e.g. Elmah is configured to save the errors to disk, but does not hav...
How to design a multi-user ajax web application to be concurrently safe
...er-Side:
Determine a reasonable level at which you would define what I'd call "atomic artifacts" (the page? Objects on the page? Values inside objects?). This will depend on your webservers, database & caching hardware, # of user, # of objects, etc. Not an easy decision to make.
For each atomi...
What's the recommended way to connect to MySQL from Go?
....Y, &cb.Z)
there is a missing row.Next() in this example. it need to call the row.Next() to grab the first row returned.
also there is some inflexibility to the library which in some way try to promote data minimalism. if you try to select columns that is not Scan it will throw errors (not ju...
FragmentPagerAdapter getItem is not called
...Using destroyItem() method, It is deleting the fragment but still does not called getItem() again..There are just 2-3 Images so I am using FragmentPagerAdapter Instead of FragmentStatePagerAdapter..
...
How do I convert a String object into a Hash object?
...
The string created by calling Hash#inspect can be turned back into a hash by calling eval on it. However, this requires the same to be true of all of the objects in the hash.
If I start with the hash {:a => Object.new}, then its string represe...