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How to remove a field from params[:something]
...l so use with more care!
Original Answer
You can remove a key/value pair from a Hash using Hash#delete:
params.delete :company
If it's contained in params[:user], then you'd use this:
params[:user].delete :company
sha...
How to prevent a background process from being stopped after closing SSH client in Linux
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I would recommend using GNU Screen. It allows you to disconnect from the server while all of your processes continue to run. I don't know how I lived without it before I knew it existed.
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How do I put an already-running process under nohup?
...your shell) This allows you to see all the jobs that this shell started." (from [quantprinciple.com/invest/index.php/docs/tipsandtricks/unix/…)
– Dr. Jan-Philip Gehrcke
Mar 17 '11 at 13:46
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jQuery Validate - require at least one field in a group to be filled
...nside the additional-methods.js file:
jQuery.validator.addMethod("require_from_group", function(value, element, options) {
...// Nathan's code without any changes
}, jQuery.format("Please fill out at least {0} of these fields."));
// "filone" is the class we will use for the input elements at this...
What is __future__ in Python used for and how/when to use it, and how it works
...introducing new keywords.
E.g., for using context managers, you had to do from __future__ import with_statement in 2.5, as the with keyword was new and shouldn't be used as variable names any longer. In order to use with as a Python keyword in Python 2.5 or older, you will need to use the import fr...
TypeError: ObjectId('') is not JSON serializable
My response back from MongoDB after querying an aggregated function on document using Python, It returns valid response and i can print it but can not return it.
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How to change a module variable from another module?
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You are using from bar import a. a becomes a symbol in the global scope of the importing module (or whatever scope the import statement occurs in).
When you assign a new value to a, you are just changing which value a points too, not the...
Django Admin - change header 'Django administration' text
...te: If you are using Django 1.7+, see the answer below.
Original answer from 2011:
You need to create your own admin base_site.html template to do this. The easiest way is to create the file:
/<projectdir>/templates/admin/base_site.html
This should be a copy of the original base_site.htm...
C# Convert string from UTF-8 to ISO-8859-1 (Latin1) H
...elf inside C#/.Net, then this code is not 100% correct, you need to encode from UTF-16 (which is the variable "Unicode"). Because this is the default. So UTF8 in the code above has to be changed to Unicode.
– goamn
Jun 1 '17 at 1:42
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Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
... write to an ArrayBuffer, you only need to create a view and copy across.
From Buffer to ArrayBuffer:
function toArrayBuffer(buf) {
var ab = new ArrayBuffer(buf.length);
var view = new Uint8Array(ab);
for (var i = 0; i < buf.length; ++i) {
view[i] = buf[i];
}
return ...