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Check status of one port on remote host [closed]
...uch as nmap or netcat, both of which are available for Windows, Linux, and Mac OS X.
For example, check for telnet on a known ip:
nmap -A 192.168.0.5/32 -p 23
For example, look for open ports from 20 to 30 on host.example.com:
nc -z host.example.com 20-30
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How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...he problem mainly occurs after updating OS X to El Capitan (OS X 10.11) or macOS Sierra (macOS 10.12).
This is because of file permission issues with El Capitan’s or later macOS's new SIP process. Try changing the permissions for the /usr/local directory:
$ sudo chown -R $(whoami):admin /usr/loc...
Selenium wait until document is ready
...to waiting for a document to be loaded?
– Anders Lindén
Oct 2 '15 at 6:25
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Flash CS4 refuses to let go
...tings\Application Data\Adobe\Flash CS4\en\Configuration\Classes\aso
On a Mac, the directory structure is similar in /Users/username/Library/Application Support/
You can remove those files by hand, or in Flash you can select Control->Delete ASO files to remove them.
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CSS center text (horizontally and vertically) inside a div block
...rowser support is an argument against it anymore.
– Félix Gagnon-Grenier
Sep 12 '19 at 11:28
add a comment
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Insert line break inside placeholder attribute of a textarea?
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@Jens-AndréKoch I assume the argument is that a placeholder should be simple; if the value is complex enough to need line-breaks, it should exist as a sibling element, similar to what you see if you activate the "show help" link by th...
DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
... believe there is a simpler solution to this problem (Homebrew's Python on macOS) that won't break your normal pip operations.
All you have to do is to create a setup.cfg file at the root directory of your project, usually where your main __init__.py or executable py file is. So if the root folde...
MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
...-16T16:50:21 0 1 11429 1 0 0.278 radius.account_mac 06-16T16:50:21 0 1 63747 1 0 0.329 radius.account_smslog 06-16T16:50:21 0 0 0 1 0 0.016 radius.auth_group 06-16T16:50:21 0 0 0 1 0 0...
How to use auto-layout to move other views when a view is hidden?
...nk this is less work than removing the subview.
– José Manuel Sánchez
Jan 17 '14 at 10:47
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@sk...
How to change the name of an iOS app?
... The scheme change didn't go smoothly for me: could only select My Mac after that. Thankfully the problem is easy to fix: stackoverflow.com/questions/8377970/…
– marcel salathe
Jun 3 '14 at 5:02
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