How to make the pressing of a button keep an event occurring at a controlled rate?

Suppose I use a Button[] to make some event occur, how can I make the pressing of this button keep that event occurring at a controlled rate? I tried the following:

x = 0; Button["X", Dynamic[Refresh[x = x + 1, UpdateInterval -> 1]]] Dynamic[x] 

But it doesn’t keep repeating the event x=x+1 if the button keeps pressed. If there is some neater/better alternative without Button[], I’m open to it.

Argon2id key derivation rate calculation question

Just wanted to know if this was an accurate way of determining how long it would take someone with an 8GB GPU do derive 1 million keys using some assumed parameters below:

Time per derivation...........: 3.5 seconds Memory required per derivation: 128MB GPU Max Memory................: 8GB 

So, 128MB = 0.125GB. Max derivations that could be happening at any given time = 8/0.125 = 64.

Each derivation takes 3.5 seconds, so derivations per second = 64/3.5 = ~18.3

So, 1 million key derivations would take (1000000×18.3)/3600 = ~15 hours.

Does this seem accurate, or am I unknowingly making too many assumptions? Thanks.

What success rate design is the most “fun”?

I’m looking for researched answers here, not just your feeling of what you like best.

I’m setting up a lego based rpg for a bunch of young children, and my friend and I are trying to figure out what “DC” will be the most fun for the kids.

We both feel that a DC of “3” or “4” is good, but are divided on if that should be rolled on a d6 or a d10.

I thought I had read somewhere that 70% success rate is the most fun, but now I can’t find it.

Relevant background: There are no skill modifiers. Things you are good at require a 3 or better, everything else requires a 4 or better. Things that are impossible or things you always succeed at are not roled. The premise of the question is as follows: Always losing is not fun, always winning is not fun either. 50% is the most fair, but because people prefer to win, they would have more fun if they won more than 50% of the time but less than 100% of the time.
I.e. is it better to do this on a d6 with a 50% or 66.66% chance of success, or on a d10 with a 60% or 70% chance of success. (or even a d20 with a 80% or 85% chance of success.. but I’m guessing that wouldn’t be fun)

Each attack does 1 or 2 damage(warrior or mage) and each creature/character has 2-8 hp. Mage spells are move Lego brick, do 1 point of damage with Lego flame, heal, or fly to any chosen spot within movement range.

What is a good way to keep track of time between encounters with an ability that regenerates at a rate of 1 per minute?

What is a good way to keep track of time between encounters with an ability that regenerates at a rate of 1 per minute?

Force Ward

You constantly surround yourself with a ward of force. You gain a number of temporary hit points equal to your kineticist level. You always lose these temporary hit points first, even before other temporary hit points. If an attack deals less damage than you still have as temporary hit points from force ward, it still reduces those temporary hit points but otherwise counts as a miss for the purpose of abilities that trigger on a hit or a miss. These temporary hit points regenerate at a rate of 1 per minute. …

This gives you a pool of temporary Hit Points that regenerate at the rate of 1 THP per minute. How do would you keep track of THP gained during the session?

Example with multiple encounters, how you keep track of time between random and predetermined encounters to know how much THP you regenerate in between?

How is it possible that Google Analytics is showing a high bounce rate (50%) on a cart and checkout page?

The cart and checkout pages are not landing pages so it isn’t possible for that to be the first page in their session. The exit rate is way too low (approximately 15%) which signals to me that the bounces should be counted as exits. Also, it isn’t reasonable to believe they would time out often enough that Google Analytics counts it as a bounce.

Possible thoughts is that it’s an issue with nonInteraction?

This is an ongoing issue I have been trying to correct for the business, any help would be great.

Why success rate is so low?

 I started gsa ser after a year and wanted to build some contextual backlinks. I set up a project – articles only. Used the same proxy source as always. After 12h it posted 4 articles!!!
Why success rate is so low? It used to post at least 1000 articles per day year ago. I even scraped links list with scrapebox and added to gsa, but it still sucks. Got 6 articles after 16 hours

AMD Ryzen 5 3400G on Linux Ubuntu 18.04 (not work at 60 Hz refresh rate)

I just bought the new 3400G (AMD Ryzen 5 3400G with Radeon Vega Graphics) and I have problem with 60 Hz refresh configuration. With 30 Hz all works ok but when I put 60Hz on refresh rate at 3840×2160 the hdmi signal randomly dissapear and then reappear, or it show some ghost lines on the tv randomly…

My actual kernel and ubuntu version:

➜  default uname -a    Linux L-G580 5.0.0-31-generic #33~18.04.1-Ubuntu SMP Tue Oct 1 10:20:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux ➜  default lsb_release -a    No LSB modules are available.    Distributor ID:  Ubuntu    Description: Ubuntu 18.04.3 LTS    Release: 18.04    Codename: bionic   06:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Picasso [1002:15d8] (rev c8) (prog-if 00 [VGA controller])  glxinfo | grep OpenGL OpenGL vendor string: X.Org OpenGL renderer string: AMD RAVEN (DRM 3.27.0, 5.0.0-31-generic, LLVM 8.0.0) OpenGL core profile version string: 4.5 (Core Profile) Mesa 19.0.8 OpenGL core profile shading language version string: 4.50 OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile OpenGL core profile extensions: OpenGL version string: 4.5 (Compatibility Profile) Mesa 19.0.8 OpenGL shading language version string: 4.50 OpenGL context flags: (none) OpenGL profile mask: compatibility profile OpenGL extensions: OpenGL ES profile version string: OpenGL ES 3.2 Mesa 19.0.8 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20 OpenGL ES profile extensions: 

I appreciate any help…. Thank You.

[19.04]Can’t change the refresh rate, am I too dumb?

equipped and read-capable humans, (and I hope write-capable too)

When I want to run some demanding games on my laptop, I normally switch the refresh rate to 40Hz, so that with VSync on, I can run at lower framerate and with no tearing as well.

However, while it works pretty well on Windows, I’ve not been able to do the same on my Ubuntu 19.04. I’ve tried a few things already, with no success. Each time, it behaves like it worked (no error message and xrandr command saying the active mode is 40Hz), but I can tell nothing has changed, since the game still runs at 60fps VSynced and cursor movement is as smooth as before. To make things more simple, I disabled the Nvidia dGPU with the “prime-select intel” command, and test with the glxgears program, that runs vsynched and windowed.

What I tried :

1) Changing the refresh rate from the GNOME preferences

2) Changing the refresh rate with xrandr (xrandr --output eDP-1 --mode 1920x1080 --rate 40)

3) Creating a custom 40Hz mode, and switch to that mode with xrandr (I take the modeline from cvt)

4) Opening a Wayland session and changing the refresh rate from the GNOME preferences

5) adding video=1920×1080@40 to the kernel command line, and retrying 1, 2, 3 and 4 in that configuration

Hardware : CPU : i7-4710MQ (Intel HD Graphics 4600), dGPU : Nvidia GTX 880M, RAM : 16 GiB

xrandr output :

~$   xrandr Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 382mm x 215mm    1920x1080     60.01*+  60.01    59.97    59.96    59.93    40.01      1680x1050     59.95    59.88      1600x1024     60.17      1400x1050     59.98      1600x900      59.99    59.94    59.95    59.82      1280x1024     60.02      1440x900      59.89      1400x900      59.96    59.88      1280x960      60.00      1440x810      60.00    59.97      1368x768      59.88    59.85      1360x768      59.80    59.96      1280x800      59.99    59.97    59.81    59.91      1152x864      60.00      1280x720      60.00    59.99    59.86    59.74      1024x768      60.04    60.00      960x720       60.00      928x696       60.05      896x672       60.01      1024x576      59.95    59.96    59.90    59.82      960x600       59.93    60.00      960x540       59.96    59.99    59.63    59.82      800x600       60.00    60.32    56.25      840x525       60.01    59.88      864x486       59.92    59.57      800x512       60.17      700x525       59.98      800x450       59.95    59.82      640x512       60.02      720x450       59.89      700x450       59.96    59.88      640x480       60.00    59.94      720x405       59.51    58.99      684x384       59.88    59.85      680x384       59.80    59.96      640x400       59.88    59.98      576x432       60.06      640x360       59.86    59.83    59.84    59.32      512x384       60.00      512x288       60.00    59.92      480x270       59.63    59.82      400x300       60.32    56.34      432x243       59.92    59.57      320x240       60.05      360x202       59.51    59.13      320x180       59.84    59.32   DP-1 disconnected (normal left inverted right x axis y axis) HDMI-1 disconnected (normal left inverted right x axis y axis) HDMI-2 disconnected (normal left inverted right x axis y axis) DP-2 disconnected (normal left inverted right x axis y axis) HDMI-3 disconnected (normal left inverted right x axis y axis) 

Current Xorg log

Assistance in this matter is welcome, even if that means proving that I am, indeed, dumb.

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