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R - Concatenate two dataframes?
... Nice. I just wanted to post the same answer :-) . One improvement: @Anton casted the NA to double in his answer. It would be nice when the type of the new column was the same type as the existing column in the other data frame. Maybe via mode(d2[d2.add[i]]) <- mode(d1[d2.add[i]]). But I am not s...
Regex using javascript to return just numbers
...remember that you're getting a string back; if you actually need a number, cast the result:
item=item.replace('^.*\D(\d*)$', '$1');
if (!/^\d+$/.test(item)) throw 'parse error: number not found';
item=Number(item);
If you're dealing with numeric item ids on a web page, your code could also useful...
SVG get text element width
...average of any valid results of the three methods. You could improve it to cast out outliers or to favor getComputedTextLength if the element is a text element.
Warning: As the comment says, getBoundingClientRect is tricky. Either remove it from the methods or use this only on elements where getBou...
How to dynamically create a class?
...c base class or interface that your dynamic class inherits from and can be casted to. In that case you can modify GetTypeBuilder() method and change moduleBuilder.DefineType call to include the static type as the last parameter (is null now)
– danijels
Oct 5 '1...
Some built-in to pad a list in python
... To say frankly, a+['']*(N-len(a)) looks much clearer. Besides, it lacks casting to list. But thank you anyway.
– newtover
Jan 6 '11 at 20:53
...
How to RedirectToAction in ASP.NET MVC without losing request data
...clare viewData etc. */
if (TempData["form"] != null)
{
/* Cast TempData["form"] to
System.Collections.Specialized.NameValueCollection
and use it */
}
return View("Form", viewData);
}
...
PHP - Merging two arrays into one array (also Remove Duplicates)
...hird argument. If it is not a string, or the contents cannot be implicitly cast to a string, you will need the SORT_REGULAR argument.
– David Baucum
Aug 19 '16 at 19:33
...
How to convert comma-delimited string to list in Python?
...the case of integers that are included at the string, if you want to avoid casting them to int individually you can do:
mList = [int(e) if e.isdigit() else e for e in mStr.split(',')]
It is called list comprehension, and it is based on set builder notation.
ex:
>>> mStr = "1,A,B,3,4"
...
Is it possible to determine whether ViewController is presented as Modal?
...is property. And after that, inside the controllers, you will have to keep casting self.navigationController to this custom class every time you need to check if the controller is presented as modal
– Felipe Sabino
Dec 30 '11 at 11:27
...
Lambda Expression and generic method
...
No i dont, i use the idea behind the answer, to cast the functional to tell the compile what type it is and it worked.
– Ivan Perales M.
Nov 27 '18 at 15:30
...