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How to use Checkbox inside Select Option
The client has given me a design which has a Select Option menu containing a checkbox together with the item name as individual items in the list.
Is there anyway possible to add a checkbox inside a Select Option menu?
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What is the ultimate postal code and zip regex?
...looking for the ultimate postal code and zip code regex. I'm looking for something that will cover most (hopefully all) of the world.
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Why is using the rails default_scope often recommend against?
Everywhere on the internet people mention that using the rails default_scope is a bad idea, and the top hits for default_scope on stackoverflow are about how to overwrite it. This feels messed up, and merits an explicit question (I think).
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What's the difference between findAndModify and update in MongoDB?
I'm a little bit confused by the findAndModify method in MongoDB. What's the advantage of it over the update method? For me, it seems that it just returns the item first and then updates it. But why do I need to return the item first? I read the MongoDB: the definitive guide and it says that i...
How to properly reuse connection to Mongodb across NodeJs application and modules
...g and reading and still am confused on what is the best way to share the same database (MongoDb) connection across whole NodeJs app. As I understand connection should be open when app starts and reused between modules. My current idea of the best way is that server.js (main file where everything s...
Way to get number of digits in an int?
Is there a neater way for getting the length of an int than this method?
30 Answers
30...
Can I change the root EBS device of my amazon EC2 instance?
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Yep, it's dead easy:
Stop the instance.
Detach the root EBS volume.
Attach the alternate EBS volume as the root: /dev/sda1
Start the instance.
This presupposes that your alternate EBS volume is bootable, of course - it has to contain the bootable OS image.
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What is the usefulness of `enable_shared_from_this`?
...from_this while reading the Boost.Asio examples and after reading the documentation I am still lost for how this should correctly be used. Can someone please give me an example and explanation of when using this class makes sense.
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PHP shell_exec() vs exec()
...default, but can provide all output as an array specifed as the second parameter.
See
http://php.net/manual/en/function.shell-exec.php
http://php.net/manual/en/function.exec.php
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ASP.NET MVC A potentially dangerous Request.Form value was detected from the client when using a cus
...low HTML - best choice
using System.Web.Mvc;
[AllowHtml]
public string SomeProperty { get; set; }
On the controller action add this attribute to allow all HTML
[ValidateInput(false)]
public ActionResult SomeAction(MyViewModel myViewModel)
Brute force in web.config - definitely not recommende...