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When should I use a NoSQL database instead of a relational database? Is it okay to use both on the s
... lot about them lately, but I'm still unsure why I would want to implement one, and under what circumstances I would want to use one.
...
Best practices to test protected methods with PHPUnit
... So here, you would have to test the protected method (But never a private one). The solution to this, is to create a subclass for testing purpose, and use this to expose the methods. Eg.:
class Foo {
protected function stuff() {
// secret stuff, you want to test
}
}
class SubFoo extends F...
How to check if a Constraint exists in Sql server?
...nding other "constraints" here are some other queries for that:
--Returns one row for each CHECK, UNIQUE, PRIMARY KEY, and/or FOREIGN KEY
SELECT *
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONSTRAINT_NAME='XYZ'
--Returns one row for each FOREIGN KEY constrain
SELECT *
FROM I...
What's a good rate limiting algorithm?
...te-limiting queue for a Python IRC bot, and it partially works, but if someone triggers less messages than the limit (e.g., rate limit is 5 messages per 8 seconds, and the person triggers only 4), and the next trigger is over the 8 seconds (e.g., 16 seconds later), the bot sends the message, but the...
Git rebase merge conflict cannot continue
...
There are a couple situations where I've seen rebase get stuck. One is if the changes become null (a commit has changes that were already made previously in the rebase) in which case you may have to use git rebase --skip.
It's pretty easy to tell. If you do git status it should show no c...
How do I check if a string is a number (float)?
... try clause, so I would put the return True in an else clause of the try. One of the reasons is that with the code in the question, if I had to review it, I would have to check that the second statement in the try clause cannot raise a ValueError: granted, this does not require too much time or bra...
Why is i++ not atomic?
...e fields. So unless you will treat every field as implicitly volatile once one thread has used the ++ operator on it, such an atomicity guaranty would not solve concurrent update issues. So why potentially wasting performance for something if it doesn’t solve the problem.
– H...
Awaiting multiple Tasks with different results
...hy @Servy has suggested to remove it. Without the WhenAll they will be run one by one
– Sergey G.
Mar 13 '15 at 12:07
94
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How do I create a new class in IntelliJ without using the mouse?
...ted via Alt+1.
To create a new class in the same directory as the current one use Ctrl+Alt+Insert (New...).
You can also do it from the Navigation Bar, press Alt+Home, then choose package with arrow keys, then press Alt+Insert.
Another useful shortcut is View | Select In (Alt+F1), Project (1), th...
Java HashMap performance optimization / alternative
...
Much much better. The old method tailed off very quickly while the new one keeps up a good throughput.
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