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Open file via SSH and Sudo with Emacs
I want to open a file inside Emacs which is located on a remote server, with sudo powers on the server. I can open local files with sudo via Tramp like this:
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Using python map and other functional tools
This is quite n00bish, but I'm trying to learn/understand functional programming in python. The following code:
9 Answers
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Cookie overflow in rails application?
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You've got a 4kb limit on what you can store in a cookie, and when Rails converts your object into text for writing to the cookie its probably bigger than that limit.
Ruby on Rails ActionDispatch::Cookies::CookieOverflow error
That way this Co...
Virtualbox “port forward” from Guest to Host [closed]
...er 127.0.0.1, and for guest ip address you got from prev. step (in my case it is 10.0.2.15)
in your case port is 8000 - put it on both, but you can change host port if you prefer
Go to host system and try it in browser:
http://127.0.0.1:8000
or your network ip address (find out on the host machi...
The cause of “bad magic number” error when loading a workspace and how to avoid it?
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edited May 16 '18 at 21:17
Laurenz Albe
102k1414 gold badges7171 silver badges104104 bronze badges
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Is there a simple, elegant way to define singletons? [duplicate]
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I don't really see the need, as a module with functions (and not a class) would serve well as a singleton. All its variables would be bound to the module, which could not be instantiated repeatedly anyway.
If you do wish to use a class, there is no way of creating ...
How do I test a file upload in rails?
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Searched for this question and could not find it, or its answer on Stack Overflow, but found it elsewhere, so I'm asking to make it available on SO.
The rails framework has a function fixture_file_upload (Rails 2 Rails 3, Rails 5), which will search your fixtures direct...
How do you convert a byte array to a hexadecimal string, and vice versa?
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Either:
public static string ByteArrayToString(byte[] ba)
{
StringBuilder hex = new StringBuilder(ba.Length * 2);
foreach (byte b in ba)
hex.AppendFormat("{0:x2}", b);
return hex.ToString();
}
or:
public static s...
Indenting code in Sublime text 2?
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You can find it in Edit → Line → Reindent, but it does not have a shortcut by default.
You can add a shortcut by going to the menu Preferences → Keybindings → User, then add there:
{ "keys": ["f12"], "command": "reindent", "args"...
parseInt(null, 24) === 23… wait, what?
Alright, so I was messing around with parseInt to see how it handles values not yet initialized and I stumbled upon this gem. The below happens for any radix 24 or above.
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