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Ask Health Medical

Teeth cancer in Humans

https://en.wikipedia.org/wiki/Cancer https://en.wikipedia.org/wiki/Human_tooth https://www.google.com/search?q=teeth&oq=teeth&aqs=chrome..69i57j0l3j69i60.10521j0j7&client=ms-android-lava&sourceid=chrome-mobile&ie=UTF-8 https://www.instagram.com/p/CE9pzEFhprb/?utm_source=ig_web_button_share_sheet We have heard of Mouth & Throat cancer. Can Cancer affect the Teeth in Humans? If No, Why?

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Linux Mastering Development Ubuntu

Unexpected results from setfacl on Ubuntu 18.04

I tried using setfacl on Ubuntu 18.04, but i got unexpected results. In the simple example here there is a directory: home, 2 users: me, she and a group consisting of these two users. The filesystem is mounted with acl enabled, i checked this with tune2fs. Here is a part of the script i use […]

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Apple User Help

Why I can still access Internet after I set the the HTTP proxy to a unknow address?

Why I set the HTTP proxy to a nono-proxy IP address, I can still access the Internet? I follow this tutorial, at the time 2:08, you see there should be can not access the Internet. but I set to a non-proxy address 9.9.9.9:12345. but I can still access the Internet, why?

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Mastering Development System & Network

Does changing MTU need restarting the application?

Let us say we have an aerospike cluster running with interface mtu as 1500. If I want to switch to jumbo frames, do I need to restart the aerospike cluster? If yes, why?

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Ask Biology

Is it true that recanalisation of the vas deferens, if any, tends to happen soon after a vasectomy (less than 1 year), and if so, why?

https://doi.org/10.1016/s0140-6736(00)02436-3 "How reliable is a vasectomy? Long-term follow-up of vasectomised men": Most episodes of recanalisation are believed to happen soon after vasectomy, and the pregnancy rate after vasectomy is about 1 in 2000. Delayed recanalisation after the first year is uncommon, only isolated cases are reported and its true frequency is unknown. Is it true […]

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Ask Health Medical

Swiss Army Knife tool in operation surgeries

https://www.google.com/search?q=Swiss+army+knife&client=ms-android-lava&prmd=sinv&sxsrf=ALeKk031iNVrDg9SMTGuAhcIsVDpNmelcg:1598154572028&source=lnms&tbm=isch&sa=X&ved=2ahUKEwjOg7_ctbDrAhW1xDgGHQ_YCfIQ_AUoAnoECBQQAg&biw=360&bih=592 https://www.google.com/search?q=Swiss+army+knife&source=lmns&bih=592&biw=360&client=ms-android-lava&prmd=sinv&hl=en&sa=X&ved=2ahUKEwihvtfjtrDrAhXMxHMBHUhwA0EQ_AUoAHoECAAQAw Do you feel the Swiss Army Knife with product customisation can be used in operation surgeries by the surgeons? If No, Why?

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User Help

DBAN on SSD using Quick Erase

I understand DBAN is not recommended for wiping SSD drives since DBAN was designed for HDD and SSDs should be wiped by either rotating the encryption key (if it is encrypted) or filling with zeros. DBAN does offer a quick erase option that writes all zeros using one pass. Google searching doesn’t show many results […]

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Linux Mastering Development

What does the ‘0’ in Android file permission 06755 (of the file /system/xbin/su) mean

When rooting an Android device, one needs to do the following commands chown 0.0 /system/xbin/su chmod 06755 /system/xbin/su chown 0.0 /system/xbin/busybox chmod 0755 /system/xbin/busybox In the second command, one has to set the permissions of the /system/xbin/su to 06755. I understand that ‘6’ means setuid and setgid bits, ‘7’ means the owner can read, write […]

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Ask Biology

At what point do organisms officially become characterized as “domesticated”?

Is there an agreed-upon definition for "domestication" that can be drawn at a particular point in an organism’s evolution? Or is this term more of a continuous spectrum? To give an example, when/how did we decide the point at which we considered some evolutionary clade of wolves to be designated as "domesticated?" I’m interested to […]

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Linux Mastering Development

Can’t filter file extensions when the list is in a variable [duplicate]

I guess this is a relative simple question, but I can’t find the way to access the variable content when doing a git diff, so it lists all the files with specific extension. // This works fine git diff –name-only –cached –diff-filter=d *.{sln,csproj,vbproj,vcxprojfilters,proj,projitems,shproj,xml,config,props,targets,nuspec,resx,ruleset,vsixmanifest,vsct,json,json5,webmanifest,yml,yaml,md,htm,html,js,jsm,ts,tsx,css,sass,scss,less,svg,vue,cmd,bat,sh,Makefile,cs,csx,cake,vb,vbx,cs,csx,cake,cs,csx,cake,vb,vb} MyProyect/Service/App/AppGridService.cs // but this does not work // this is the variable […]