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How to get the original value of an attribute in Rails
...flow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
Will return the name value before your last save at database (works for save and create)
The...
How does internationalization work in JavaScript?
...y Localisation (plugin) (home)
YUI Internationalization support
jquery.i18Now for dates
browser-i18n with support to pluralization
counterpart is inspired by Ruby's famous I18n gem
jQuery Globalize jQuery's own i18n library
js-lingui - MessageFormat implementation for JS (ES2016) and React
Others...
How do you run a Python script as a service in Windows?
... as an option.
I have not yet tried this solution, but I will do so right now and update this post along the process. I am also interested in using virtualenvs on Windows, so I might come up with a tutorial sooner or later and link to it here.
...
Speed up the loop operation in R
... The data.frame has roughly 850K rows. My PC is still working (about 10h now) and I have no idea about the runtime.
10 An...
Why are C# 4 optional parameters defined on interface not enforced on implementing class?
...ace method, and make the parameter optional as well?
Suppose we did that. Now suppose the developer did not have the source code for the implementation:
// in metadata:
public class B
{
public void TestMethod(bool b) {}
}
// in source code
interface MyInterface
{
void TestMethod(...
python generator “send” function purpose?
...
@Tommy: I would say if you really wanna know check out this presentation and work through it all. A short answer won't suffice because then you'll just say "But can't I just do it like this?" etc.
– Claudiu
Oct 10 '13 at 18:45
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Declaring variables inside loops, good practice or bad practice?
... be mitigated using the -Wshadow warning instruction on GCC)
The compiler knows that the variable scope is limited to inside the loop, and therefore will issue a proper error message if the variable is by mistake referenced elsewhere.
Last but not least, some dedicated optimization can be performed ...
In Intellij, how do I toggle between camel case and underscore spaced?
...ndoing any changes. Update: it appears this bug has been fixed for a while now, so the CamelCase plugin is probably the way to go.
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Send attachments with PHP Mail()?
...he main script file -- require_once('path/to/file/class.phpmailer.php');
Now, sending emails with attachments goes from being insanely difficult to incredibly easy:
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
$email = new PHPMailer();
$email->SetFrom('you@example.com...
Nginx no-www to www and www to no-www
...r_name google.com;
index index.php index.html;
####
# now pull the site from one directory #
root /var/www/www.google.com/web;
# done #
location = /favicon.ico {
log_not_found off;
access_log off;
}
}
...