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User Help Web Pro

How to Redirect URL with special Characters?

I try to redirect a special URL in .htaccess, as below: Redirect 301 /aor/%e2%80%9d https://www.example.com/outlook-repair/ But this seems does not work. I try to add quotes, as follows: Redirect 301 "/aor/%e2%80%9d" https://www.example.com/outlook-repair/ But also not work. Why?

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Ask Games RPG Games

My gaming group can’t agree on play-by-post or scheduled games

I’m currently helping out as one of the DMs of a larger gaming group that will periodically see two or three players plus a DM go on a mission, usually handled in play-by-post format. Right now, I have a group of three that’s been having pacing problems from the start despite multiple strategies to address […]

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Cryptocurrency Ethereum Mastering Development

What is the best native Desktop IDE I can use for writing solidity smart contracts?

I am about to start my journey exploring smart contract development and have never been a fan of browser IDEs. Now remix seems to be convenient to they have a desktop IDE as well or solely browser? They mention in their docs "Remix supports both usage in the browser and locally". Not sure what locally […]

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Linux Mastering Development

WhatsApp text chat basic analysis: char count of participants

I’m used to grep | uniq -c | sort -rn things, but this case is a little bit more complicate. If you copy a whatsapp web chat you’ll get something like [3:14 pm, 25/09/2020] James Smith: Hello! [6:42 pm, 25/09/2020] John Doe: hi [6:43 pm, 25/09/2020] James Smith: I was wondering.. if blah blah and […]

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Linux Mastering Development

Where are the `*.journal` files for a given unit?

I have a systemd service unit for sshd: $ systemctl status sshd * ssh.service – OpenBSD Secure Shell server Loaded: loaded (/lib/systemd/system/ssh.service; enabled; vendor preset: enabled) Active: active (running) since Wed 2020-09-30 18:54:10 UTC; 6s ago Process: 13923 ExecReload=/bin/kill -HUP $MAINPID (code=exited, status=0/SUCCESS) Process: 13918 ExecReload=/usr/sbin/sshd -t (code=exited, status=0/SUCCESS) Process: 6287 ExecStartPre=/usr/sbin/sshd -t (code=exited, status=0/SUCCESS) […]

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Linux Mastering Development

Can’t get my firewall configured to let me use my web application from computers on the same home network

I am trying to use a web application that is running on my home-server from other computers connected to the same home network. The application is running off port 80. I have set up port forwarding from port 80 to the ip address of the server. I have set up my firewall to allow port […]

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Linux Mastering Development

How do I sum up the results of multiple bash commands in bash?

So I’ve got the following cat a1 | wc -l // term1 cat a2 | wc -l // term2 cat a3 | wc -l // term3 … cat a10 | wc -l // term10 And I’d like to calculate term1 + term2 + … + term10 in a one liner (it’s fine if it’s long). […]

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Linux Mastering Development

arch install: bootctl hanging: firmware bug Page fault caused by firmware at PA

Installing arch to a single boot using systemd-boot. bootctl –path=/boot install Copied "/usr/lib/systemd/boot/efi/systemd-bootx64.efi to /boot/EFI/systemd-bootx64.efi" Random seed file /boot/loader/random-seed successfully written (512 bytes) The process hangs at this point and the only fix is to Ctl-Z Usually if it completes we have *img files in /boot. /boot/initramfs-linux.img /boot/initramfs-linux-fallback.img /boot/vmlinuz-linux These are not copied. I could […]

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Linux Mastering Development

SSH Port Forwarding Using a Jump Host

I am trying to figure out how to get a jump host to work with AWS Cloud9. Below is a diagram taken from the blog post (on my staging server) there I am writing on the subject. (I find that writing things out helps me understand.) Although I’ve made good progress in learning how to […]

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Mastering Development

Differentiate between Circles and Radio buttons Opencv python

I have a task to detect Circles and Radio buttons in an Image. For this I tried Hough circles by having different parameters. Issues: If the circles in the Image are of same radius of Radio buttons both are detected, but in our case it should only detect only one. Is there a way to […]