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Add EBS to Ubuntu EC2 Instance
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Thanks a lot for this! I was totally confused by the /mnt directory and wrongly assumed that my extra EBS volume (/dev/xvdf) that I told AWS to attach at instance creation was already mounted. Also, the mapping between what AWS shows (/dev/sdf) and (/dev/xvdf) that exist...
Is there a way to follow redirects with command line cURL?
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can be used to prevent curl from following redirections "in absurdum". By default, the limit
is set to 50 redirections. Set this option to -1 to make it limitless.
If this option is used several times, the last one will be used.
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How do you install ssh-copy-id on a Mac?
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ssh-copy-id is installed on macOS by default now.
$ sw_vers
ProductName: Mac OS X
ProductVersion: 10.12.4
$ which ssh-copy-id
/usr/bin/ssh-copy-id
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Why not abstract fields?
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You can do what you described by having a final field in your abstract class that is initialised in its constructor (untested code):
abstract class Base {
final String errMsg;
Base(String msg) {
errMsg = msg;
}
abstract String ...
How to generate gcc debug symbol outside the build target?
...--strip-debug main
or
strip --strip-debug --strip-unneeded main
debug by debuglink mode:
objcopy --add-gnu-debuglink main.debug main
gdb main
You can also use exec file and symbol file separatly:
gdb -s main.debug -e main
or
gdb
(gdb) exec-file main
(gdb) symbol-file main.debug
For det...
How to set limits for axes in ggplot2 R plots?
...ually. Here is a small section of that cheatsheet:
Distributed under CC BY.
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What is the difference between MediaPlayer and VideoView in Android
...lso be aware that RTSP requires an extra port to be open, which is blocked by some firewalls.
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Java URL encoding of query string parameters
...r, then use "UTF-8".
Note that spaces in query parameters are represented by +, not %20, which is legitimately valid. The %20 is usually to be used to represent spaces in URI itself (the part before the URI-query string separator character ?), not in query string (the part after ?).
Also note that ...
What is the Difference Between read() and recv() , and Between send() and write()?
...@AbhinavGauniyal How would that provide different behavior? If there's a 0 byte datagram, both, recv and read will deliver no data to the caller but also no error. For the caller, the behavior is the same. The caller may not even know anything about datagrams (it may not know that this is a socket a...
Newline in markdown table?
... The <br> syntax also works on GitLab, which uses Redcarpet Ruby library for Markdown processing (reference)
– Dinei
Aug 18 '17 at 15:45
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