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lharpaz

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  • Birthday 12/06/1980

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  1. lharpaz

    Help in java please

    Your problem is in syntax or "algorithm"? Try something in this direction (this is pseudo-code, of course): public Queue reverseQueue (Queue q) {Queue newQ = new ... reverseQueue (q, newQ) return newQ} // this is the recursive function private void reverseQueue (Queue orig, Queue reversed) {if orig not empty {T element = q.remove () // first in queue reverseQueue (orig, reversed) reversed.add (element) // add to end of queue}} Note: You wrote "without using structures More data, "recursion hint", but in a sense we use the call stack as a stack. This is probably just cleverness, but you should understand what a call stack is. Exercise (to make sure you understand): Do you need a new appointment? Or can it be done using only the original queue?
  2. Thanks again. What about the cards built into the processors? Is it in Intel i3 / i5 processors more or less equivalent to that in Ryzen? In which cases will the card built into a new processor be a limitation? (Other than games) My expectation is that there will be no problem with: office use, surfing, YouTube, streaming (Netflix, etc.), watching movies in local files (some FHD, some 4k), including conversion to a computer screen with a lower resolution than 4k, or a monitor 4k when connected to TV. Will a built-in card withstand this?
  3. An interesting idea. I did not know there was such a possibility. Thanks.
  4. Thank you very much for the response and explanations. I realised. It seems to me that this is the bottom line. Thanks. Where are the built-in cards in the processors coming in here? So a little more detail: the goal is not games. I was wondering if it would be possible to run very old games that ran on the station with 9600GT (I understand the answer is yes), and another specific game that is also old, but as far as I think about it I understand that it is not important enough to influence the decision. So my question is in which cases will the card built into a new processor / one of the cards in the laptops be a limitation? (Other than games) My expectation is that there will be no problem with: office use, surfing, YouTube, streaming (Netflix, etc.), watching movies in local files (some FHD, some 4k), including conversion to a computer screen with a lower resolution than 4k, or a monitor 4k when connected to TV. Will a built-in card or the 940M stand up to it? Regarding the specific cards: I used the relative comparison by card (here: https://www.techpowerup.com/gpu-specs/), as you suggested. Summary of Findings: Compare to Radeon RX Vega 11. I understand this is the card built into processors such as the Ryzen 5 3400G. Can it be assumed that it is about the same as what is built into Intel processors, i.e. Intel UHD Graphics 630 (it did not have a comparison table on the site)? (The only reference I found claims that the built - in Reisen is about twice as good as the built - in Intel - could it be? Sounds like an extreme difference to me ...) Anyway, the GeForce 2M is about as good as it is. The old 940GT is about half that. Radeon Pro 9600 is about 560% better. On the first site you recommended I did not find what you meant (comparison by games). Yes I was able to extract it: it seems to me in a big way consistent with what you said - the 25M is weaker than the 940 Pro, and Intel's built-in seems to falter in relation to it.
  5. Thanks. In the first step I will check if the MacBook can be used in the stationary place. If there will be insistence on windows I will probably purchase a basic new stationary.
  6. Thanks for the comments. In basic office use I would feel a difference between the old desktop (i5 760) and a new computer / one of the laptops? So basically all the alternatives are better than the old desktop? Streaming - is it in the context of games, or streaming movies? I compared in PASSMARK as Yehudaa suggested, but I am not closed on the results (comparison attached): I did not find an explanation of what each index says, and I would love an explanation (I guess the relevant ones are: Single Thread Rating, Cross-Platform Rating, CPU Mark). Are the results linear? For example in single core performance, the difference between the desktop i5 is a little more than 2 times, even though about 10 years have passed. I was expecting a much bigger difference ... (Where is Moore's Law reflected? Isn't there some measure that was supposed to show that the new processor is 30 times more powerful?) I added both i3 and i5 from the current generation (I did not know what the relevant Ryzen is) - it seems that the i3 Quite similar to the i7 mobile from 3 generations back - does that make sense? In addition, the difference in score between i5 and i3 is almost 2 times, although individual core performance is very similar - where does the difference come from? (Number of cores? In what usage will the difference between 4 and 6 cores be felt at all?) Https://www.cpubenchmark.net/compare/Intel-i5-760-vs-Intel-i5-6200U-vs-Intel-i7- 7920HQ-vs-Intel-i5-10600-vs-Intel-i3-10100 / 773vs2556vs3007vs3750vs3717
  7. Hi, I have a bit of a general question - is there any site where you can compare graphics card performance of desktops / laptops / built-in CPU? (I understand, performance depends on the specific usage, so I will refer to some "average" or "general" usage or something like that). I'm afraid it's time to replace the desktop computer, and before buying a computer I want to check out the option of using an old laptop instead of the desktop, as opposed to the option of buying a new computer. I want to know what improvement can be expected or alternatively what abilities I am giving up, and what it means (how it will limit me). Specifically, I would be happy to compare: GeForce 9600GT (old stationary) GeForce 940M (a few years old mobile) Radeon Pro 560 (mobile, Macbook Pro) built-in graphics card in a current generation processor (is there a difference between those built in i3 to i5 to Ryzen?) (Clarification: The computer is of course not intended for gaming, but I would be happy to know if it can run light / old games, so the comparison to the old stationary card) Another general question - what are the cards built into the processors capable of doing? When do they constitute a limitation? (Will they limit something he does not play?) Thanks in advance to the assistants
  8. Hi, I have a bit of a general question - is there any site where you can compare the performance of new / old desktop / laptop processors? (I understand, performance depends on the specific usage, so I will refer to some "average" or "general" usage or something like that). I'm afraid it's time to replace the desktop computer, and before buying a computer I want to check out the option of using an old laptop instead of the desktop, as opposed to the option of buying a new computer. I want to know what improvement can be expected, and of course make sure I do not replace it with something that will limit me. Specifically, I would be happy to compare: i5 760 (old stationary) i5 6200U (a few years old mobile) i7 7920HQ (mobile, MacBook Pro) current generation processor (maybe i3 or i5 or some Ryzen) Thanks in advance to the helpers
  9. Hi everyone, I will try to give all the details so that the problem is clear, so sorry for the long post. The setup for me is like this: Hot modem, to which the tp-link Archer C2 router is connected. A computer is connected to the router with one cable, and a second cable goes to another room with a switch to which another 3 devices are connected. All connections are on a network cable (wireless connection irrelevant to my current problem, and off most of the time). Everything worked fine, until I upgraded the internet speed to 100 megabytes, so I had to switch to another modem model - Hot Box 1. Through the modem UI I set it to brigde mode (to be used only as a modem, and I can use my router). Since replacing the Hot Box 1 modem I have experienced disconnections. It sometimes takes a few hours for the disconnections to start, but sometimes it takes a few days. Disconnecting the modem from the power supply and returning it solves the problem (until next time). Over the past two months I have had 3 technicians: one replaced some cable, the other replaced "Connector" in the box below, and the third checked that everything was good in terms of strength. This problem challenges Hot's technical service (I've talked to them more than 10 times), possibly because of the delegation's professionalism - some delegates say everything is fine and no problem (even when I have disconnections), and others who say they see disconnections. These are both the "regular" and "senior" delegates (I think they call them "Team 2" or something like that? Maybe tier 2 transfers?) I have already replaced the modem 3 times (the last few days ago), so I doubt that the modem will happen so many times (unless the modems go through their tests and reach customers repeatedly ...). The disconnection of the modem from the power supply and returning it solves the problem, as well as the fact that the problems started just when I changed the modem to another model (Hotbox 1), makes me suspect that the problem is in the modem. (Maybe this model is more sensitive to the problems the previous model was able to deal with? In any case, they claim that they are unable to provide hot box 2, and refuse to give the hot box 4, so even if the problem is with this model I seem to have no real solution). On the other hand, after the work of the first two technicians the problem has improved (the amount of disconnections has decreased, but still exists), and they claim that the amount of errors is correct (currently, after 3 days since the last reset, there are 1135 Correctables and 780 Uncorrectables - I do not know Some of them are following the disconnections, and some have accumulated over the days when it worked fine). On the other hand, I'm afraid I've reached Hot's technical capability, and I'd like to make sure my problem isn't my router anyway (I would very much like to solve the problem without switching to Bezeq infrastructure, since I'm in a rented apartment that doesn't have Bezeq infrastructure and it seems a bit of a mess to deal with the installations these...). I noticed that when there is a disconnect the router displays an orange light bulb. In fact, this is how I detect disconnections even when no one is using a network connection. I saw in the router interface that it indicates a "poor network" value in Internet Status. I wanted to try upgrading the firmware version: my current version is 3.0.0 Build 20160713 Rel. 74035 (EU), and the router interface seems to have a newer version available: 3.0.1 Build 20180423 Rel. 53178. But, on tp-link's site, we recommend upgrading from the official place of purchase (purchased in Israel), where only the firmware version that I already have is listed. Website: https://www.tp-link.com/en/support/download/archer-c2/v3/#Firmware I'd love any idea or help on the subject - does anyone have an idea what else to check? Something specific that you can ask Hut to do or test? (Take into account that most delegates claim there is no problem, and only a few see that there is a disconnect problem). (For me, the modem is set to bridge mode, but they are not. They claim it is okay, but I don't know how much you can count on the professionalism of the delegates there) Maybe something related to my router's settings? (It's a bit strange to me that with the previous modem, everything worked well, and that changing a modem would require a change of settings, but I'm open to suggestions and have to admit that I don't really understand it ...). Is "safe" / worth upgrading the firmware firmware?
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