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ruby send method passing multiple parameters
...m __send__:
r = RandomClass.new
r.__send__(:i_take_multiple_arguments, 'a_param', 'b_param')
By the way* you can pass hashes as params comma separated like so:
imaginary_object.__send__(:find, :city => "city100")
or new hash syntax:
imaginary_object.__send__(:find, city: "city100", loc: [-...
Run an OLS regression with Pandas Data Frame
...ult = sm.ols(formula="A ~ B + C", data=df).fit()
>>> print(result.params)
Intercept 14.952480
B 0.401182
C 0.000352
dtype: float64
>>> print(result.summary())
OLS Regression Results
=================...
submitting a GET form with query string params and hidden params disappear
...
Isn't that what hidden parameters are for to start with...?
<form action="http://www.example.com" method="GET">
<input type="hidden" name="a" value="1" />
<input type="hidden" name="b" value="2" />
<input type="hidden" ...
Serializing PHP object to JSON
...return either an array, stdClass object, or some other object with visible parameters rather then private/protected ones, and do a json_encode($data->getJsonData());. In essence, implement the function from 5.4, but call it by hand.
Something like this would work, as get_object_vars() is called ...
Modify request parameter with servlet filter
...modify the source. I've decided to write a servlet filter to sanitize the parameter before it is seen by the page.
8 Answe...
pass post data with window.location.href
...ubmit it immediately.
You can use this function:
function postForm(path, params, method) {
method = method || 'post';
var form = document.createElement('form');
form.setAttribute('method', method);
form.setAttribute('action', path);
for (var key in params) {
if (param...
How do I create a parameterized SQL query? Why Should I?
I've heard that "everyone" is using parameterized SQL queries to protect against SQL injection attacks without having to vailidate every piece of user input.
...
What is a callback function?
...ay:
factorial(really_big_number, what_to_do_with_the_result)
The second parameter, what_to_do_with_the_result, is a function you send along to factorial, in the hope that factorial will call it on its result before returning.
Yes, this means that factorial needs to have been written to support ...
SQL to determine minimum sequential days of access?
...lue, not if the value is null
/// </summary>
/// <param name="value"></param>
public void Accumulate(SqlDateTime value)
{
if (value.IsNull)
{
return;
}
int sequentialDays = _intermediate...
Using ChildActionOnly in MVC
... [ChildActionOnly]
public ActionResult ChildAction(string param)
{
ViewBag.Message = "Child Action called. " + param;
return View();
}
}
The code is initially invoking an Index action that in turn returns two Index views and ...