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In Django, how do I check if a user is in a certain group?
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You can access the groups simply through the groups attribute on User.
from django.contrib.auth.models import User, Group
group = Group(name = "Editor")
group.save() # save this new group for this example
user = User.objects.get(pk = 1) # assuming, there is one initial user
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const vs constexpr on variables
...s you should have mentioned that the text in your answer is taken verbatim from "Programming: Principles and Practice Using C++" by Stroustrup
– Aky
May 16 '16 at 21:14
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What is the difference between self::$bar and static::$bar in PHP?
...static:: performs Late Static Binding and thus it binds the variable value from child class.
class A { // Base Class
protected static $name = 'ClassA';
public static function getSelfName() {
return self::$name;
}
public static function getStaticName() {
return static:...
What is the best place for storing uploaded images, SQL database or disk file system? [closed]
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please add a few more notes on security/preventing files from destroying your web site
– Andrew
Jan 26 '17 at 17:43
1
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Convert String to Calendar Object in Java
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tl;dr
The modern approach uses the java.time classes.
YearMonth.from(
ZonedDateTime.parse(
"Mon Mar 14 16:02:37 GMT 2011" ,
DateTimeFormatter.ofPattern( "E MMM d HH:mm:ss z uuuu" )
)
).toString()
2011-03
Avoid legacy date-time classes
The modern way is w...
How to format a duration in java? (e.g format H:MM:SS)
... diff.toSecondsPart());
System.out.println(hms);
The output from this snippet is:
24:19:21
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How do you rename a Git tag?
...s/tags/old
git push --tags
The colon in the push command removes the tag from the remote repository. If you don't do this, Git will create the old tag on your machine when you pull.
Finally, make sure that the other users remove the deleted tag. Please tell them (co-workers) to run the following ...
How to multiply duration by integer?
...ation) duration as a parameter. Your rand.Int31n returns int32.
The line from the example works (time.Sleep(100 * time.Millisecond)) because the compiler is smart enough to understand that here your constant 100 means a duration. But if you pass a variable, you should cast it.
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How to create dictionary and add key–value pairs dynamically?
From post:
15 Answers
15
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Regex to get string between curly braces
... resolution is to not try and learn regex again - So this year to save me from tears I'll give it to Stack Overflow . (Last Christmas remix).
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