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Django Forms: if not valid, show form with error message
I Django forms, it can check whether the form is valid:
7 Answers
7
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Are there strongly-typed collections in Objective-C?
...own classes:
@interface GenericsTest<__covariant T> : NSObject
-(void)genericMethod:(T)object;
@end
@implementation GenericsTest
-(void)genericMethod:(id)object {}
@end
Objective-C will behave like it did before with compiler warnings.
GenericsTest<NSString*>* test = [GenericsTe...
Laravel - Route::resource vs Route::controller
...aseController {
public function index() {}
public function show($id) {}
public function store() {}
}
You can also choose what actions are included or excluded like this:
Route::resource('users', 'UsersController', [
'only' => ['index', 'show']
]);
Route::resource('monkeys'...
How can I transition height: 0; to height: auto; using CSS?
I am trying to make a <ul> slide down using CSS transitions.
51 Answers
51
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PostgreSQL Connection URL
... postgresql://localhost/mydb?user=other&password=secret did the trick
– Karuhanga
Oct 29 '18 at 14:31
1
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Where to put model data and behaviour? [tl; dr; Use Services]
... To make this example more DCI like shouldn't the data be outside of ListService?
– PiTheNumber
Sep 20 '13 at 20:37
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show 6 mo...
TSQL Pivot without aggregate function
... = that value..
In this case, you could also self join 5 times on customerid, filter by dbColumnName per table reference. It may work out better.
share
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improve this answer
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How to permanently add a private key with ssh-add on Ubuntu? [closed]
... files to be kept permanently, by adding them in your ~/.ssh/config file:
IdentityFile ~/.ssh/gitHubKey
IdentityFile ~/.ssh/id_rsa_buhlServer
If you do not have a 'config' file in the ~/.ssh directory, then you should create one. It does not need root rights, so simply:
nano ~/.ssh/config
...a...
How to use cURL to get jSON data and decode the data?
...
$url="https://.../api.php?action=getThreads&hash=123fajwersa&node_id=4&order_by=post_date&order=desc&limit=1&grab_content&content_limit=1";
Using cURL
// Initiate curl
$ch = curl_init();
// Will return the response, if false it print the response
curl_setopt($c...
difference between css height : 100% vs height : auto
...means the element height will depend upon the height of its children.
Consider these examples:
height: 100%
<div style="height: 50px">
<div id="innerDiv" style="height: 100%">
</div>
</div>
#innerDiv is going to have height: 50px
height: auto
<div style="hei...