I am rolling a warlock in my current campaign and we started at level 3. For my invocations, I have picked walk unseen and fell flight. I was told I could not do that by my DM since he told me my level wasn’t enough. However, when I referred back to my Complete Arcane, it mentioned:
A least invocation has a level equivalent of 1st or 2nd; a lesser, 3rd or 4th; a greater, 5th or 6th; and a dark invocation has a level equivalent of 6th or higher (maximum 9th).
So I automatically assumed that at level 1 and 2, I have access to least and 3 and 4, I have access to lesser, turns out not.
When I refered back to Complete Arcane for the invocations I picked, it said:
Fell Flight: Lesser; 3rd
Walk Unseen: Lesser; 2nd
I am really confused about which level can I pick these two invocations? I would appreciate it if you could explain how the warlock level corresponds to the invocation grade and the number next to it.
Consider the following snapshot of a system running n processes. Process i is holding Xi instances of a resource R, 1 <= i <= n. currently, all instances of R are occupied. Further, for all i, process i has placed a request for an additional Yi instance while holding the Xi instances it already has. There are exactly two processes p and q such that Yp = Yq = 0. Which one of the following can serve as a necessary condition to guarantee that the system is not approaching a deadlock? (A) min (Xp, Xq) < max (Yk) where k != p and k != q (B) Xp + Xq >= min (Yk) where k != p and k != q (C) max (Xp, Xq) > 1 (D) min (Xp, Xq) > 1
Google says it finds up to 1.5*optimal solution. But all the concepts like minimum spanning tree,minimum weight matching etc are hard for me to connect. Maybe some real life example or diagram would make things clear.
In kohonen SOM algorithm, the equation to find the collaboration is:
I know that LDist is the lattice distance and sigma is the standard deviation. I am just wondering why they are squared ? Can anyone help me to visualize the equation or explain to me what is going on in the above equation ?
I have a database that pretty consistently runs queries in a magnitude of cost/10 ms. There are a couple queries where EXPLAIN ANALYZE reports a cost of 2000 (which I’d expect to be somewhere in the ballpark of 200ms) but runs take multiple minutes.
My first thought is that some other activity is bogging down postgres causing this (either other processes on the machine or concurrent database activity). Is there anything else I should be looking into? Am I mistaken to expect similar cost:time ratios for different queries?
In my Adsense Report section I have two very different sets of Active View data:
Why are these percentages so different?
I’ve exported the results of an EXPLAIN run on a query. What I find confusing is that there’s the key column listing out one of the indexes from the list of possible_keys(not shown in picture) however only the top row makes mention of Using index explicitely in the Extra column.
- What does this mean in the 2nd row, is it not using the index listed in the key column?
How should I interpret what the contents of the key column is about and how it is used?
enter code here
a. Should I interpret this as that index is used in the where stage of this query?
I am reading the 5e rules, and I keep seeing how you can add proficiency bonus to attack rolls checks with weapons you are proficient in and skill checks in skills you are proficient in, but I can’t find anything on what this bonus actually is. How do you determine what the numerical actual bonus you add to your roll is? And at what times is it used?
My understanding is that in TOTPs are like HMAC where code is derived from time.
However, I am struggling to understand the concept of Backup Codes in google Authenticator , and how are they calculated as they are not time sensitive and can be used in any sequence . So how google has implemented that? Thanks