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What's the best way to store Phone number in Django models
...he comment below into a more full-fledged answer. As per jpotter6, you can do something like the following on your models as well:
models.py:
from django.core.validators import RegexValidator
class PhoneModel(models.Model):
...
phone_regex = RegexValidator(regex=r'^\+?1?\d{9,15}$'...
Spring Boot - Cannot determine embedded database driver class for database type NONE
...ded Spring Boot with enough information to auto-configure a DataSource. To do so, you'll need to add some properties to application.properties with the spring.datasource prefix. Take a look at DataSourceProperties to see all of the properties that you can set.
You'll need to provide the appropriat...
Check to see if a string is serialized?
...g is not equal to "b:0;" might be helpful too ; something like this should do the trick, I suppose :
$data = @unserialize($str);
if ($str === 'b:0;' || $data !== false) {
echo "ok";
} else {
echo "not ok";
}
testing that special case before trying to unserialize would be an optimization -...
How does one get started with procedural generation?
... looks very much like Photoshop's "clouds" filter.
– doubleOrt
Jun 21 '18 at 9:26
First link is broken
...
mongodb group values by multiple fields
For example, I have these documents:
3 Answers
3
...
How to redirect and append both stdout and stderr to a file with Bash?
To redirect stdout to a truncated file in Bash, I know to use:
7 Answers
7
...
Is there a [Go to file…]?
...
Cmd-Shift-J will do more than just open the project navigator. It'll do that and select the file that's open in the editing area. To Just open the project navigator, use Cmd-1 (or Cmd-2, Cmd-3 to open other navigators), or Cmd-0 to close them...
img src SVG changing the styles with CSS
...
If your goal is just to change the color of the logo, and you don't necessarily NEED to use CSS, then don't use javascript or jquery as was suggested by some previous answers.
To precisely answer the original question, just:
Open your logo.svg in a text editor.
look for fill: #fff...
Setting an object to null vs Dispose()
...ven if the code in the body of the using statement throws an exception. It doesn't mean that the object is garbage collected at the end of the block.
Disposal is about unmanaged resources (non-memory resources). These could be UI handles, network connections, file handles etc. These are limited res...
Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...ome corpus. This is a seductive idea, but it's not quite right. The solver does best if it accurately models the distribution of words chosen by the setter, and a human setter may well be choosing words based on their rarity or avoidance of frequently used letters. For example, although E is the mos...
