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C#: Assign same value to multiple variables in single statement
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If you want to test it, try Console.WriteLine(num = 5);. (Disclaimer: I haven't yet)
– Arlen Beiler
May 9 '13 at 19:36
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Twitter Bootstrap 3 Sticky Footer
I have been using the twitter bootstrap framework for quite a while now and they recently updated to version 3!
25 Answers
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iPhone UITextField - Change placeholder text color
...iOS 6, it's possible to assign a color to the placeholder text like this:
if ([textField respondsToSelector:@selector(setAttributedPlaceholder:)]) {
UIColor *color = [UIColor blackColor];
textField.attributedPlaceholder = [[NSAttributedString alloc] initWithString:placeholderText attributes:@{N...
What is the meaning and difference between subject, user and principal?
...ncipal , of which I have not been able to find a clear definition and the difference between them.
7 Answers
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How to exit a function in bash
How would you exit out of a function if a condition is true without killing the whole script, just return back to before you called the function.
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CSS transition shorthand with multiple properties?
...ay property.
Edit: previously listed here were the compatibilities and known issues regarding transition. Removed for readability.
Bottom-line: just use it. The nature of this property is non-breaking for all applications and compatibility is now well above 94% globally.
If you still want to be...
Android: View.setID(int id) programmatically - how to avoid ID conflicts?
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According to View documentation
The identifier does not have to be unique in this view's hierarchy. The identifier should be a positive number.
So you can use any positive integer you like, but in this case there can be some views with equivalent id's. If you want...
Cosine Similarity between 2 Number Lists
...sed on numpy only
from numpy import dot
from numpy.linalg import norm
cos_sim = dot(a, b)/(norm(a)*norm(b))
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can we use xpath with BeautifulSoup?
... Martijn's code no longer works properly (it is 4+ years old by now...), the etree.parse() line prints to the console and doesn't assign the value to the tree variable. That's quite a claim. I certainly can't reproduce that, and it would not make any sense. Are you sure you are using Pyth...
How to check whether a file or directory exists?
...s
func exists(path string) (bool, error) {
_, err := os.Stat(path)
if err == nil { return true, nil }
if os.IsNotExist(err) { return false, nil }
return false, err
}
Edited to add error handling.
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