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SSH configuration: override the default username [closed]
...config inside ~/.ssh. Inside the file you can add:
Host *
User buck
Or add
Host example
HostName example.net
User buck
The second example will set a username and is hostname specific, while the first example sets a username only. And when you use the second one you don't need to us...
Why are mutable structs “evil”?
...around.
So if you change a copy you are changing only that copy, not the original and not any other copies which might be around.
If your struct is immutable then all automatic copies resulting from being passed by value will be the same.
If you want to change it you have to consciously do it by...
How to get the contents of a webpage in a shell variable?
...-q quiet option to turn off's wget output.
You can use the curl command for this aswell as:
content=$(curl -L google.com)
echo $content
We need to use the -L option as the page we are requesting might have moved. In which case we need to get the page from the new location. The -L or --location ...
Font scaling based on width of container
... Text to a Container.
If the container is the body, what you are looking for is Viewport-percentage lengths:
The viewport-percentage lengths are relative to the size of the initial containing block. When the height or width of the initial containing block is changed, they are scaled accordingly...
Official reasons for “Software caused connection abort: socket write error”
...
This error can occur when the local network system aborts a
connection, such as when WinSock closes an established connection
after data retransmission fails (receiver never acknowledges data sent
on a datastream socket).
See...
What exactly is Arel in Rails 3.0?
I understand that it is a replacement for ActiveRecord and that it uses objects instead of queries.
4 Answers
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Value of i for (i == -i && i != 0) to return true in Java
...
The only int value for which it works is Integer.MIN_VALUE.
It's because integers are negated using the two's complement way.
Using
System.out.println(Integer.toBinaryString(Integer.MIN_VALUE));
you see that Integer.MIN_VALUE is
100000000...
Split files using tar, gz, zip, or bzip2 [closed]
... file when (de)compressing. Use the tar -C option to use a different directory for the resulting files. btw if the archive consists from only a single file, tar could be avoided and only gzip used:
# create archives
$ gzip -c my_large_file | split -b 1024MiB - myfile_split.gz_
# uncompress
$ cat my...
WWW or not WWW, what to choose as primary site name? [closed]
...matter which you choose but you should pick one and be consistent. It is more a matter of style but it is important to note that search engines consider these two URLs to be different sites:
http://www.example.com
http://example.com
So whichever you choose for aesthetic reasons should be co...
What's the difference between an exclusive lock and a shared lock?
According to wikipedia,
4 Answers
4
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