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Django Forms: if not valid, show form with error message
.../div>
{% endfor %}
{% endfor %}
{% for error in form.non_field_errors %}
<div class="alert alert-danger">
<strong>{{ error|escape }}</strong>
</div>
{% endfor %}
{% endif %}
An example:
def myView(request):
form = myFo...
how to generate migration to make references polymorphic
...ass AddImageableToProducts < ActiveRecord::Migration
def up
change_table :products do |t|
t.references :imageable, polymorphic: true
end
end
def down
change_table :products do |t|
t.remove_references :imageable, polymorphic: true
end
end
end
...
Apache: “AuthType not set!” 500 Error
...rsion 2.4.x of Apache.
Have you sure that you load this 2 modules ?
- mod_authn_core
- mod_authz_core
LoadModule authn_core_module modules/mod_authn_core.so
LoadModule authz_core_module modules/mod_authz_core.so
PS : My recommendation for authorization and rights is (by default) :
LoadModule ...
Visual Studio loading symbols
...lready reported this obvious bug to Microsoft?
– real_yggdrasil
Sep 12 '12 at 9:54
Your a start, this has been driving...
How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
...
@Vyga It's _.indexOf.
– lonesomeday
Oct 21 '16 at 7:36
7
...
How do I get git to default to ssh and not https for new repositories
...il="$1"
hostname="$2"
hostalias="$hostname"
keypath="$HOME/.ssh/${hostname}_rsa"
ssh-keygen -t rsa -C $email -f $keypath
if [ $? -eq 0 ]; then
cat >> ~/.ssh/config <<EOF
Host $hostalias
Hostname $hostname *.$hostname
User git
IdentitiesOnly yes
IdentityFile $k...
What is the maximum depth of the java call stack?
... if we don't mention the Xss, then?
– a3.14_Infinity
Jul 4 '16 at 7:52
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...
Website screenshots
...;Navigate('http://www.stackoverflow.com');
while($Browser->Busy){
com_message_pump(4000);
}
$img = imagegrabwindow($Browserhandle, 0);
$Browser->Quit();
imagepng($img, 'screenshot.png');
?>
Edit: Note, these functions are available on Windows systems ONLY!
...
Setting Icon for wpf application (VS 08)
...ly worked for me. This is how I did it:
Put the icon in a folder <icon_path> in the project directory
Mimic the folder path <icon_path> in the solution
Add a new item (your icon) in the solution folder you created
Add the following code in the WPF window's code behind:
Icon = new Bi...
What's the correct way to convert bytes to a hex string in Python 3?
...ii.hexlify('foo'.encode('utf8'))
b'666f6f'
>>> binascii.unhexlify(_).decode('utf8')
'foo'
See this answer:
Python 3.1.1 string to hex
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