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How to run a program without an operating system?
...ystem running?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
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Calculate RSA key fingerprint
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Run the following command to retrieve the SHA256 fingerprint of your SSH key (-l means "list" instead of create a new key, -f means "filename"):
$ ssh-keygen -lf /path/to/ssh/key
So for example, on my machine the command I ran was (using RSA pu...
How do I convert Long to byte[] and back in java
How do I convert a long to a byte[] and back in Java?
12 Answers
12
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How do I access my SSH public key?
I've just generated my RSA key pair, and I wanted to add that key to GitHub.
18 Answers
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RE error: illegal byte sequence on Mac OS X
...for cross-compiling to iOS. The string has embedded double quotes. The command is:
7 Answers
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How to install Xcode Command Line Tools
How do I get the command-line build tools installed with the current Xcode/Mac OS X v10.8 (Mountain Lion) or later?
13 Answ...
Minimal web server using netcat
.../1.1 200 OK\n\n $(date)"'; done
The -cmakes netcat execute the given command in a shell, so you can use echo. If you don't need echo, use -e. For further information on this, try man nc. Note, that when using echo there is no way for your program (the date-replacement) to get the browser request. ...
How can I time a code segment for testing performance with Pythons timeit?
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You can use time.time() or time.clock() before and after the block you want to time.
import time
t0 = time.time()
code_block
t1 = time.time()
total = t1-t0
This method is not as exact as timeit (it does not average several runs) but it is straightforward.
time.time...
Couldn't register with the bootstrap Server
I just changed some code in my program and got this error:
21 Answers
21
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Redirect stdout pipe of child process in Go
...d. (That's a problem because this server-like program runs for a long time and I want to read the log output)
3 Answers
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