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Retrieve the position (X,Y) of an HTML element relative to the browser window
I want to know how to get the X and Y position of HTML elements such as img and div in JavaScript relative to the browser window.
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if A vs if A is not None:
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The statement
if A:
will call A.__nonzero__() (see Special method names documentation) and use the return value of that function. Here's the summary:
object.__nonzero__(self)
Called to implement truth value testing and the...
preferredStatusBarStyle isn't called
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Possible root cause
I had the same problem, and figured out it was happening because I wasn't setting the root view controller in my application window.
The UIViewController in which I had implemented the preferredStatusBarStyle was used in a UITabBarCont...
Cookie blocked/not saved in IFRAME in Internet Explorer
...nd anotherexample.net .
On anotherexample.net/page.html , I have an IFRAME SRC="http://example.com/someform.asp" . That IFRAME displays a form for the user to fill out and submit to http://example.com/process.asp . When I open the form (" someform.asp ") in its own browser window, all works well...
Git: can I suppress listing of 'modified content'/dirty submodule entries in status, diff, etc?
Somewhen (around the 1.6.x releases, I think) git became aware of changes inside submodules. That only serves to annoy me:
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Haskell Type vs Data Constructor
...; Int -> Colour
RGB is a data constructor that is a function taking some values as its arguments, and then uses those to construct a new value. If you have done any object-oriented programming, you should recognise this. In OOP, constructors also take some values as arguments and return a new v...
Check if Python Package is installed
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If you mean a python script, just do something like this:
Python 3.3+ use sys.modules and find_spec:
import importlib.util
import sys
# For illustrative purposes.
name = 'itertools'
if name in sys.modules:
print(f"{name!r} alr...
ERROR: Error installing capybara-webkit:
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Worked for me on os x Yosemite
– Kariem Muhammed
Oct 20 '14 at 11:23
1
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Java Naming Convention with Acronyms [closed]
What is the correct name for the following Java class:
DVDPlayer or DvdPlayer ?
10 Answers
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Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
...ttribute("login", new Login());
Like this:
@RequestMapping(value = "/", method = RequestMethod.GET)
public String displayLogin(Model model) {
model.addAttribute("login", new Login());
return "login";
}
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