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How can I remove the first line of a text file using bash/sed script?
...han sed. tail is also available on BSD and the -n +2 flag is consistent across both tools. Check the FreeBSD or OS X man pages for more.
The BSD version can be much slower than sed, though. I wonder how they managed that; tail should just read a file line by line while sed does pretty complex oper...
Difference between HTML “overflow : auto” and “overflow : scroll”
When I was studying the overflow property's values, I came across these two values: auto and scroll , which adds scrollbar(s) if the content overflows the element.
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MySQL connection not working: 2002 No such file or directory
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"The hostname localhost has a special meaning. It is bound to the use of Unix domain sockets. It is not possible to open a TCP/IP connection using the hostname localhost you must use 127.0.0.1 instead." - php.net/manual/en/mysqli.q...
GPU Emulator for CUDA programming without the hardware [closed]
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For those who are seeking the answer in 2016 (and even 2017) ...
Disclaimer
I've failed to emulate GPU after all.
It might be possible to use gpuocelot if you satisfy its list of
dependencies.
I've tried to get an emulator f...
File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?
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I suspect that most drivers for filesystems on Windows perform the translation to a 'Windows-style' filesystem API so that it allows the OS and non-portable apps to work. Practical usage would have to be for an OS that supports weird and won...
How can I redirect HTTP requests made from an iPad?
Since on an iPad we cannot edit the hosts file (without jailbreaking), how can we arbitrarily redirect web traffic to another url?
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AsyncTask Android example
...h does not have access to the GUI where your views are.
preExecute() and postExecute() offer you access to the GUI before and after the heavy lifting occurs in this new thread, and you can even pass the result of the long operation to postExecute() to then show any results of processing.
See these...
How to fix: “No suitable driver found for jdbc:mysql://localhost/dbname” error when using pools? [du
...before the application is instantiated. (At least that's how it works in Jboss)
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How to detect online/offline event cross-browser?
...er vendors update the navigator.onLine flag when actual network access is lost, others don't.
From the spec:
Returns false if the user agent is
definitely offline (disconnected from
the network). Returns true if the user
agent might be online.
The events online and offline are
fired when the value ...
An efficient way to transpose a file in Bash
...real 0m0.390s
user 0m0.370s
sys 0m0.010s
EDIT by Ed Morton (@ghostdog74 feel free to delete if you disapprove).
Maybe this version with some more explicit variable names will help answer some of the questions below and generally clarify what the script is doing. It also uses tabs as the...