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Bash tool to get nth line from a file
...0q;d' file to print the 10th line of file.
Explanation:
NUMq will quit imm>me m>diately when the line number is NUM.
d will delete the line instead of printing it; this is inhibited on the last line because the q causes the rest of the script to be skipped when quitting.
If you have NUM in a variable...
What are the security risks of setting Access-Control-Allow-Origin?
...bdomain ajax calls.
Now I can't help but feel that I'm putting my environm>me m>nt to security risks.
Please help m>me m> if I'm doing it wrong.
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What is the difference between the OAuth Authorization Code and Implicit workflows? When to use each
...eps to get it:
User must authenticate and returns a code to the API consum>me m>r (called the "Client").
The "client" of the API (usually your web server) exchanges the code obtained in #1 for an access_token, authenticating itself with a client_id and client_secret
It then can call the API with the ac...
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
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Assuming you've used hom>me m>-brew to install and upgrade Postgres, you can perform the following steps.
Stop current Postgres server:
launchctl unload ~/Library/LaunchAgents/hom>me m>brew.mxcl.postgresql.plist
Initialize a new 10.1 database:
initdb /us...
How to rsync only a specific list of files?
... to push to a remote server. I figured rsync would be able to do this for m>me m> using the --include-from option. Without the --exclude="*" option, all the files in the directory are being synced, with the option, no files are.
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How do I change the root directory of an apache server? [closed]
Does anyone know how to change the docum>me m>nt root of the Apache server? I basically want localhost to com>me m> from /users/spencer/projects directory instead of /var/www .
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How to find tim>me m> complexity of an algorithm
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How to find tim>me m> complexity of an algorithm
You add up how many machine instructions it will execute as a function of the size of its input, and then simplify the expression to the largest (when N is very large) term and can include any...
Can I mask an input text in a bat file?
I am writing a batch file to execute som>me m> other programs. In this case I need to prompt for a password. Do I have any way to mask the input text? I don't need to print ******* characters instead of input characters. Linux's Password prompt behavior (Print nothing while typing) is enough.
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Why use apparently m>me m>aningless do-while and if-else statem>me m>nts in macros?
...C/C++ macros I'm seeing the code of the macro wrapped in what seems like a m>me m>aningless do while loop. Here are examples.
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How to find if a native DLL file is compiled as x64 or x86?
... 8664 machine (x64)
6 number of sections
4BBAB813 tim>me m> date stamp Tue Apr 06 12:26:59 2010
0 file pointer to symbol table
0 number of symbols
F0 size of optional header
2022 characteristics
Executable
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