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How to update attributes without validation
I've got a model with its validations, and I found out that I can't update an attribute without validating the object before.
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Taking screenshot on Emulator from Android Studio
...know how to take a screenshot of Emulator via Android Studio. I recently switched from Eclipse to Android Studio and I could not find it anywhere, I tried to search on web too but no help.
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HTML select form with option to enter custom value
... a text input and a datalist. Then you add a list attribute to the input, with a value of the id of the datalist.
Update: As of March 2019 all major browsers (now including Safari 12.1 and iOS Safari 12.3) support datalist to the level needed for this functionality. See caniuse for detailed browser...
How do I convert an HttpRequestBase into an HttpRequest object?
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Is it your method, so you can re-write it to take HttpRequestBase? If not, you can always get the current HttpRequest from HttpContext.Current.HttpRequest to pass on. However, I often wrap access to the HttpContext inside a cl...
Is there a JavaScript function that can pad a string to get to a determined length?
I am in need of a JavaScript function which can take a value and pad it to a given length (I need spaces, but anything would do). I found this:
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Difference between binary tree and binary search tree
...se explain the difference between binary tree and binary search tree with an example ?
12 Answers
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How to escape apostrophe (') in MySql?
The MySQL documentation says that it should be \' . However, both scite and mysql shows that '' works. I saw that and it works. What should I do?
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Creating the Singleton design pattern in PHP5
...n $inst;
}
/**
* Private ctor so nobody else can instantiate it
*
*/
private function __construct()
{
}
}
To use:
$fact = UserFactory::Instance();
$fact2 = UserFactory::Instance();
$fact == $fact2;
But:
$fact = new UserFactory()
Throws an error.
See htt...
Enable remote connections for SQL Server Express 2012
...alled SQL Server Express 2012 on my home server. I'm trying to connect to it from Visual Studio 2012 from my desktop PC, and repeatedly getting the well-known error:
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How do I create a list of random numbers without duplicates?
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This will return a list of 10 numbers selected from the range 0 to 99, without duplicates.
import random
random.sample(range(100), 10)
With reference to your specific code example, you probably want to read all the lines from the file once and then select random lines from the saved list in me...