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How can I detect when the mouse leaves the window?
...to be able to detect when the mouse leaves the window so I can stop events from firing while the user's mouse is elsewhere.
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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 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...
Send email using the GMail SMTP server from a PHP page
I am trying to send an email via GMail's SMTP server from a PHP page, but I get this error:
14 Answers
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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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Best practices with STDIN in Ruby?
...ur friend when it comes to input; it is a virtual file that gets all input from named files or all from STDIN.
ARGF.each_with_index do |line, idx|
print ARGF.filename, ":", idx, ";", line
end
# print all the lines in every file passed via command line that contains login
ARGF.each do |line|
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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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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...
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's the difference between a proc and a lambda in Ruby?
...mbda {} gives you a proc that checks the number of arguments passed to it. From ri Kernel#lambda:
Equivalent to Proc.new, except the resulting Proc objects check the number of parameters passed when called.
An example:
p = Proc.new {|a, b| puts a**2+b**2 } # => #<Proc:0x3c7d28@(irb):1&g...