wi fi – Switching off mobile data or wifi only partially

I have a FP3 w/ Android 10 (LineageOs 17) installed. The os allows me to switch off mobile data or wifi for individual apps.

Is there a way (preferably w/o rooting) to disable only upload or download, but not both? Can Magisk handle that?
In case there is no such application / option, why? Is it not possible to implement that?

What is a natural way of rendering dynamic (partially view dependent) GUI elements?

My question is really about low-level rendering techniques, but I’m going to illustrate it with a high-level GUI example. I’m not so much interested in GUI design, but rather in some basic concepts involving coordinate systems and trasformations in a rendering pipeline. I’m sure that this is a well understood problem, but I can’t seem to come up with the right keywords to find the answers I need, so let me try to explain it in simple terms.

Say we have some sort of strategy game, Crusader Kings is a good illustration.
CK3

There are essentially three different types of objects that are being rendered:

  1. World objects: terrain, cities, units, etc. The game keeps track of the world coordinates of these objects. They are submitted to the rendering pipeline which applies all necessary transformations so that they end up in the right place on the screen. As the player zooms in/out or pans around, the view transformation is updated so the map moves as expected.
  2. “Static” GUI elements: sidebars, topbars, windows, event icons, etc. The positions of these are computed directly in screen coordinates (or possibly some other very close coordinates, in any case unrelated to the world coordinates). As the player moves the map, their position and size remain unchanged.
  3. “Dynamic” GUI elements: city name banners, army banners etc. These are odd ones out in that their positions depend on world coordinates (as they are attached to specific world objects), but their size in screen coordinates is fixed. As the player pans around, they move along with their coresponding world object. But as the player zooms in/out, their size remains unchanged. (Note that in the screenshot above the county names are written directly “on terrain” and they scale with the map, so they belong to type 1.)

If I was trying to recreate this in OpenGL, I would have a program for rendering the world objects and I would transform them with standard projection-view-model transformations. I would have a separate program for the static GUI elements. But I can’t quite envision a clean way of handling the dynamic GUI elements.

  • I could send them through the world-rendering program, but then I would have to manually adjust their size depending on the current view transformation so that their size in screen coordinates remains constant.
  • I could send them throuth the GUI-rendering program, but then I have to manually compute their screen coordinates based on world coordinates of the world objects they are attached to (thus duplicating the work already done by the world-rendering program).

Both these feel like ad hoc work arounds. What is a more natural approach?

magento2 – Partially void PayPal authorization

Customer orders items A,B and C (Authorization payment with PayPal) Partial capture has been completed on items A and B can the remaining authorization for item C be voided or will this void the entire transaction?

Only way I can see around it is to capture payment for item C and then create a credit memo for this item.

nikon – The thing that holds the mirror was partially broken, can it still be fixed?

nikon – The thing that holds the mirror was partially broken, can it still be fixed? – Photography Stack Exchange

Colonial pipeline attack – how was ransom partially recovered

From Wikipedia:

Colonial Pipeline cyber attack

This article states that it is not known how the FBI obtained the private key of the address with the ransom in it. Can’t find any other sources on this. Are there any theories or evidence of how this was done?

How to create CSS underline which partially covers the word?

This is what I want my styling to look like:
enter image description here

My code currently looks similar to this:
HTML:

<div><span>Uniswap</span><div>

CSS:

div span {
border-bottom: 3px solid #5B48D6;
}

I’ve tried adding negative padding and margin with no luck. for reference I am using React so I could download library from NPM to accomplish this if vanilla CSS will not do.

Exiftool GPS tagging from lat/long works partially but it’s always missing a timezone (which I think is the reason it gets actual pos wrong)

I have a GPS file containing data such as

<trkpt lat="56.9359839838" lon="-4.4651045874">
    <ele>30.42</ele>
    <time>2021-03-30T20:09:56Z</time>
</trkpt> 

I can then use exiftool on the cmd line (windows based machine) to do the following
exiftool -xmp:gpslongitude=-4.4651045874 -xmp:gpslatitude=56.9359839838 -GPSAltitude=30.42 DSC00320_b.JPG

Note that this does not work –
exiftool -exif:gpslongitude=-4.4651045874 -exif:gpslatitude=56.9359839838 -GPSAltitude=30.42 DSC00320_a.JPG
This drops the negative from the longitude and puts the GPS tag in the wrong position (as if the value was +ve)

After doing the xmp based command and I load the file into say Flickr it will put it’s location in the exact same spot as if the longitude value was positive!
So after checking another tool (GeoSetter) which has a map preview, it loads the same image and put it in the correct position?

So Flickr gets it wrong, but GeoSetter gets it right from the exact same image.

After digging around I find this is the reason.

enter image description here

If I use GeoSetter to set the time zone then upload to Flickr it now puts it in the correct position.

So simply put how do I set the time zone for GPS data? I’ve tried the following commands and a range of others which all fail.

"-gpstimestamp<${createdate}-00:00"
"-GPSTimeStamp<${DateTimeOriginal}" -n
-Geotime<DateTimeOriginal# -n
"-gpsdatestamp<${DateTimeOriginal}"

Finally if I do a visual comparison of data from the same file with valid timezone data (right) and one without (left) the addition of “Date/Time Digitized” stands out as being added, so I’m guessing this is why that file works. (there are also a considerable amount of other changes to the metadata after doing the timezone add via GeoSetter, I don’t think relevant to this Q, but if requested I can add more details)
enter image description here

googlebot – Is it bad for SEO to submit a partially finished site to Google?

There is no problem with showing Google a small site that you plan to add to later. If you have one page of good content, Google would like to index it because it could be useful to somebody searching for its terms.

On the other hand you don’t want to publish to Google:

  • Broken links, images, or HTML
  • “Coming soon” or “Under construction” notices
  • Pages with little or no content
  • Half written articles that won’t be useful to visitors

If you later decide to update your site, that is fine with Google. When you do so you can change the technology that powers the site, the HTML code, the site theme (look and feel), or your JavaScript libraries. Google won’t care about those at all.

If you are going to change the URLs of the pages on your site you should implement redirects between the old and new URLs.

If you are going to take down content, that could hurt your rankings and SEO.

Is android pentesting partially similar to web pentesting?

I’m already into web pentesting. I’m willing to learn android pentesting now.

From what I understand, the server side part like API etc is similar to web pentesting and I need to learn about client side bugs.

Am I correct?

permissions – Webcam partially doesn’t work on Windows 7

My no-name USB webcam doesn’t work in Windows 7 in Zoom and Skype. It works perfectly in a web-based test website.

In Device Manager it’s properly recognised as “HD WebCam” under Imaging Devices, without any error.

Zoom and Skype themselves DO in fact know that there’s something there, because they do recognise the webcam’s built-in microphone under “audio settings” (no other microphone on this PC). But still, “No camera detected”.

For Windows 10 there’s ample advice online regarding granting permission to Skype and Zoom to use the camera. But Windows 7 doesn’t have similar privacy settings in Control Panel, as far as I can see. When I look at the zoom.exe file, it seems to have full permissions. When I run Zoom as Administrator: no difference.

The webcam works fine with Zoom and Skype on a different Windows 10 PC.

Any suggestions?

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