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How to Compare Flags in C#?
...t be an issue for some people. Happily not for me.
– Andy Mortimer
Nov 18 '11 at 10:58
2
The perf...
How To Launch Git Bash from DOS Command Line?
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Is there a way to type and an execute a command into the Git batch window after it's opened from within the batch file?
– Nick
Mar 28 '14 at 12:48
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The simplest way to comma-delimit a list?
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Java 8 and later
Using StringJoiner class :
StringJoiner joiner = new StringJoiner(",");
for (Item item : list) {
joiner.add(item.toString());
}
return joiner.toString();
Using Stream, and Collectors:
return list.stream().
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MySQL DROP all tables, ignoring foreign keys
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I found the generated set of drop statements useful, and recommend these tweaks:
Limit the generated drops to your database like this:
SELECT concat('DROP TABLE IF EXISTS `', table_name, '`;')
FROM information_schema.tables
WHERE table_schema = 'MyDatabaseName';
Note 1:...
What is the difference between a database and a data warehouse?
What is the difference between a database and a data warehouse?
13 Answers
13
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Unique BooleanField value in Django?
...mplish this task, what I've done is override the save method for the model and have it check if any other model has the flag already set (and turn it off).
class Character(models.Model):
name = models.CharField(max_length=255)
is_the_chosen_one = models.BooleanField()
def save(self, *a...
Can I pass an array as arguments to a method with variable arguments in Java?
...rds compatibility.
So you should just be able to prepend extraVar to args and call String.format(format, args).
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Salting Your Password: Best Practices?
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Prefix or suffix is irrelevant, it's only about adding some entropy and length to the password.
You should consider those three things:
The salt has to be different for every password you store. (This is quite a common misunderstanding.)
Use a cryptographically secure random number generat...
ActiveRecord: size vs count
In Rails, you can find the number of records using both Model.size and Model.count . If you're dealing with more complex queries is there any advantage to using one method over the other? How are they different?
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CMake: Project structure with unit tests
...tructure my project to include the production sources (in src subfolder) and tests (in test subfolder). I am using CMake to build this. As a minimal example I have the following files:
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