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“message failed to fetch from registry” while trying to install any module
...et purge nodejs npm
Then enable nodesource's repo and install:
curl -sL https://deb.nodesource.com/setup | sudo bash -
sudo apt-get install -y nodejs
Note - the previous advice was to use Chris Lea's repo, he's now migrated that to nodesource, see:
https://chrislea.com/2014/07/09/joining-forc...
How to print color in console using System.out.println?
... for those who develop in eclipse, i can reccomend this plugin: mihai-nita.net/2013/06/03/eclipse-plugin-ansi-in-console and nice piece of code to enable color if the code isn't being executed in console: if (System.console() == null) System.setProperty("jansi.passthrough", "true");
...
Is there any downside for using a leading double slash to inherit the protocol in a URL? i.e. src=“/
...sheet that loads images from an external domain and I need it to load from https:// from secure order pages and http:// from other pages, based on the current URL. I found that starting the URL with a double slash inherits the current protocol. Do all browsers support this technique?
...
How does password salt help against a rainbow table attack?
...lts and found this excelent article with sample code:
http://crackstation.net/hashing-security.htm
The author recomends using random salts per user, so that gaining access to a salt won't render the entire list of hashes as easy to crack.
To Store a Password:
Generate a long random sa...
How to save/restore serializable object to/from file?
...reference to Newtonsoft.Json assembly, which can be obtained from the Json.NET NuGet Package.
/// <summary>
/// Writes the given object instance to a Json file.
/// <para>Object type must have a parameterless constructor.</para>
/// <para>Only Public properties and variables...
Does the use of the “Async” suffix in a method name depend on whether the 'async' modifier is used?
...uous even from Microsoft documentation:
In Visual Studio 2012 and the .NET Framework 4.5, any method that is
attributed with the async keyword (Async in Visual Basic) is
considered an asynchronous method, and the C# and Visual Basic
compilers perform the necessary transformations to implem...
How to read keyboard-input?
...
Gabriel Staples
www.ElectricRCAircraftGuy.com
14 Nov. 2018
References:
- https://pyserial.readthedocs.io/en/latest/pyserial_api.html
- *****https://www.tutorialspoint.com/python/python_multithreading.htm
- *****https://en.wikibooks.org/wiki/Python_Programming/Threading
- https://stackoverflow.com/...
Download single files from GitHub
...a file it has a link to the "raw" version. The URL is constructed like so
https://raw.githubusercontent.com/user/repository/branch/filename
By filling in the blanks in the URL, you can use Wget or cURL (with the -L option, see below) or whatever to download a single file. Again, you won't get any...
could not resolve host github.com error while cloning remote repository in git
...fice has got proxy servers.
Yes, you can do so by setting HTTP_PROXY, and HTTPS_PROXY environment variables.
See "Syncing with github":
set HTTPS_PROXY=http://<login_internet>:<password_internet>@aproxy:aport
set HTTP_PROXY=http://<login_internet>:<password_internet>@aproxy:...
How do I download a tarball from GitHub using cURL?
...
Use the -L option to follow redirects:
curl -L https://github.com/pinard/Pymacs/tarball/v0.24-beta2 | tar zx
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