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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
... return ['url']
else:
return []
And it works fine. Now if you add an Item, the url field is read-write, but on change it becomes read-only.
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Too much data with var_dump in symfony2 doctrine2
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With Symfony 2.6 you can now just use dump($var) in your controller and {{ dump(var) }} in twig.
Make sure to add this to your AppKernal.php file, in the array('dev', 'test') section.
$bundles[] = new Symfony\Bundle\DebugBundle\DebugBundle();
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IIS: Idle Timeout vs Recycle
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IIS now has
Idle Time-out Action : Suspend setting
Suspending is just freezes the process and it is much more efficient than the destroying the process.
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What is http multipart request?
I have been writing iPhone applications for some time now, sending data to server, receiving data (via HTTP protocol), without thinking too much about it. Mostly I am theoretically familiar with process, but the part I am not so familiar is HTTP multipart request. I know its basic structure, but the...
NullPointerException in Java with no StackTrace
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There are no hidden gotchas that I know of. When you look at the Hotspot source code, you can see that this option is only used in one place (graphKit.cpp). And that looks fine to me.
– Roland Illig
Jun 13 '10 at 11:14
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?: operator (the 'Elvis operator') in PHP
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What the heck? I just find this out now, right after upgrading to PHP 7? I could have been using this for years!
– Buttle Butkus
Feb 27 '19 at 5:56
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Android Studio Editor Font Sizing
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Wow, as of now this question has almost 31k views. The UI was so bad that they confused 31,000 programmers!
– localhost
Feb 12 '16 at 11:28
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Hex representation of a color with alpha channel?
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As of now, Mozilla (Firefox 49) appears to support #RRGGBBAA and #RGBA
– Shiyaz
Oct 14 '16 at 14:06
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SQLite Reset Primary Key Field
...ely perturb the AUTOINCREMENT
key generation algorithm. Make sure
you know what you are doing before you
undertake such changes.
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Specify custom Date format for colClasses argument in read.table/read.csv
...swered Oct 23 '12 at 1:41
Greg SnowGreg Snow
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