Does canceling update operation perform automatic rollback

I ran into a bit of confusion. I’m under the belief that database operations are automatic – that is either the query succeeds or the transaction is automatically rolledback. For example – if you have a long running UPDATE statement and you “cancel” it before it finishes – IE clicking red circle X button in SQL Developer (which you should receive a ORA-01013: user requested cancel of current operation error). Upon canceling the query the query is rolled back and no rows were affected. I believe the same should hold true for DELETE statements.

I looked around for some documentation on it and I found this article that really isn’t authoritative.

What are the steps necessary to perform a Denial of Service (DoS) attack, assuming i have someones IP?

I am trying to learn much much more about computers and the hacking realm. I am very new at this, and i have been studying endlessly for answers. I went on TOR and asked this same question, but to only be greeted with most likely malware apps wanting me to download. So here i am, asking you fine folks, how do i run a successful DoS attack? This is one of the most simple attacks out there, and yet i have no idea how to perform one. From what i understand about computers, when you send a network IP packets of bytes, it breaks down the packets so it can process them, so how tf do you send enough packets of bytes to completely crash the network/ overload the network?

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How to make an action perform only after an animation has run?

I have an actor who has some animations. Animations perform based on some actor states (animation blueprint of actor):

enter image description here

Conditions at the Event Tick (similar to while loop):

enter image description here

The actor changes perfectly from animation to animation. What I’d like to do is for it to damage an enemy as soon as the attack animation is over.

I tried some codes…

In this one, for example:

enter image description here

This variable (minionAtk) modifies the state of the actor. See the image below in the event (which is only called when the minionAtk is true) that I can successfully change the state of the actor (to the attacking state):

enter image description here

Animation Blueprint:

enter image description here

Transition:

enter image description here

But since the change from true to false is done instantly, the attack animation is not even shown.

To solve this, I put a delay and a condition so that the event could not be called again while the execution of cycle (attack animation => end attack animation) ended:

enter image description here

So when the actor is in the attacking state, the attack animation usually performs. After 5 seconds the animation stops.

It turns out that in this time interval the animation does not play only once.

I imagine there is a way to do the time calculation that the animation lasts, and based on that set the delay time.

But better than that, I wondered if there was no way to know when the animation was finished and from that, change the variable to false and perform the damage action.

Thinking about it I researched and found this:

https://answers.unrealengine.com/questions/329698/animation-damage.html

But I came across this error:

This blueprint (self) is not a BTTask_BlueprintBase, therefore ‘ Target ‘ must have a connection.

Error link:

https://answers.unrealengine.com/questions/549437/error-this-blueprint-self-is-not-a-therefore-self.html

I also saw something about sphere traces, attached to an actor socket. But in my case I don’t want to apply the damage just in case of contact of the actor’s arm (armed or unarmed) to the target, it would be something as seen in MOBA style games.

It would be like a basic attack from Garen/Yasuo/Darius.

“Unable to access “Micro SD Card” – Not authorized to perform this operation

I have a micro SD card that I am trying to access to store documents. Currently running Ubuntu 16.04 on a Chromebook using Crouton. I’ve been trying every solution I can find, including formating the card to ext4. Regardless of my attempts, it still is saying “Unable to access” and “not authorized to perform operation”. Please let me know if you have any suggestions. Thank you!

Can a Rogue PC teach an NPC to perform Sneak Attack?

Important Note: I am aware of this post regarding NPC training but it failed to answer my question and the top answer has some holes. Read the entire post before flagging.

I want to run a heavily player-based, sandbox campaign (I am aware of the difficulties) and to help the players get started I decided to use Waterdeep: Dragon Heist as a way for them to get experience and money.

With that said I decided to give my players infinite choices (Essentially I allow them to do as much as they can physically and mentally achieve). Consequently one of the most engaged players in the party, a Rogue level four (Soon to be five), decided he wanted to start a hitman business.

He managed to steal a bank and he used that as a way to disseminate a message via a local newspaper agency. The message advertised the hitman business and included directions for when and where to meet him if interested.

That much about the backstory. Now, the issue is that he wants to “train” NPCs (Bandits) to turn them into Assassins.

He told me he wants them to be able to use the Sneak Attack (Rogue ability) but he also wants their Dexterity and Charisma modifiers to be higher than normal.

I was wondering, is there an official ruling that can assist me with NPC progress (type change more specifically)

If so, what are the limitations/prerequisites for that to happen?

At the beginning of the post I linked a very similar thread. Though it failed to answer my question so I decided to repost.

I should note that the aforementioned post did not answer the question Can it be achieved, if yes how? I am trying to find a way to change an NPCs type from Bandit to Rogue. Another issue with the answer is that the player is not a trainer/teacher in any way. He has never trained anyone in his entire life which I imagine is a setback. Then, the answer states:

So, provided your PC is sufficiently skilled to offer “special” training, it would seem that they can impart some level of skill to the peasants.

In what level can a player be considered sufficiently skilled to offer training (as a mean to change the NPCs type)?

What is ‘some level of skill’? Does this mean that an NPC cannot learn the Sneak Attack ability or does it mean that there is going to be a significant setback?

Thanks for your time.


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