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vagrant up failed, /dev/vboxnetctl: no such file or directory
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I'm running macOS High Sierra 10.13.1 and VirtualBox 5.2.2.
This worked for me:
Grant permission to VirtualBox under System Preferences > Security & Privacy > General (this request is new to macOS High Sierra)
Open Terminal and run: sudo "/Library/Appl...
Java NIO FileChannel versus FileOutputstream performance / usefulness
... nio FileChannel versus normal FileInputStream/FileOuputStream to read and write files to filesystem. I observed that on my machine both perform at the same level, also many times the FileChannel way is slower. Can I please know more details comparing these two methods. Here is the code I used...
Naming threads and thread-pools of ExecutorService
...ctory threadFactory). The factory will be responsibe for creating threads, and will be able to name them.
To quote the Javadoc:
Creating new threads
New threads are created using a ThreadFactory. If not otherwise specified, a Executors.defaultThreadFactory() is used, that creates threads to all be ...
How to redirect output to a file and stdout
In bash, calling foo would display any output from that command on the stdout.
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Port 80 is being used by SYSTEM (PID 4), what is that?
...com/site/xiangyangsite/home/technical-tips/linux-unix/networks-related-commands-on-linux/how-to-read-netstat--an-results
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What are the use-cases for Web Workers? [closed]
... programmed ~2 years ago). You can change one # in a table via input field and a bunch of other numbers in different columns get re-computed in a fairly intensive process.
The old workflow was: Change the #. Go get coffee while JavaScript crunches through changes to other numbers and the web page ...
CSS background opacity with rgba not working in IE 8
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Create a png which is larger than 1x1 pixel (thanks thirtydot), and which matches the transparency of your background.
EDIT : to fall back for IE6+ support, you can specify bkgd chunk for the png, this is a color which will replace the true alpha transparency if it is not supported. You ...
Convert Unicode to ASCII without errors in Python
...large sites like Google, YouTube, Yahoo, Wikipedia, Reddit, Stack Overflow and Stack Exchange Network sites).
If you do a simple decode like in the original answer with a gzipped response, you'll get an error like or similar to this:
UnicodeDecodeError: 'utf8' codec can't decode byte 0x8b in pos...
Remove leading or trailing spaces in an entire column of data
... could try =TRIM(CLEAN(B1)) which will remove all non-printable characters and any leading/trailing spaces.
– hydrox467
Mar 6 '12 at 6:00
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HTTP response code for POST when resource already exists
...s where it is expected that the user might be able to resolve the conflict and resubmit the request. The response body SHOULD include enough information for the user to recognize the source of the conflict. Ideally, the response entity would include enough information for the user or user agent to f...