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Using python “with” statement with try-except block
...:
in case opening the file fails you
will get a second exception in the
finally clause because f is not
bound.
The equivalent old style code would be:
try:
f = open("file", "r")
try:
line = f.readline()
finally:
f.close()
except IOError:
<whatever>
As you c...
Python Requests library redirect new url
...is myself, I hope it might be useful for someone else.
If you want to use allow_redirects=False and get directly to the first redirect object, rather than following a chain of them, and you just want to get the redirect location directly out of the 302 response object, then r.url won't work. Inste...
How to know what the 'errno' means?
When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
15 Answers
...
UITableView + Add content offset at top
...t similarly to above by making custom views for the section headers, especially if you just have one section, this could give you the look of a permanent offset.
I can post sample code if it sounds like either of those are what you are looking for.
...
Is List a subclass of List? Why are Java generics not implicitly polymorphic?
...l> - you can add any animal to it... including a cat. Now, can you logically add a cat to a litter of puppies? Absolutely not.
// Illegal code - because otherwise life would be Bad
List<Dog> dogs = new ArrayList<Dog>(); // ArrayList implements List
List<Animal> animals = dogs; ...
How do you clone a BufferedImage
...which has many bufferedimages in it, I want to create a new object copying all the bufferedimages into the new object, but these new images may be altered and i don't want the original object images to be altered by altering the new objects images.
...
What is the difference between linear regression and logistic regression?
...e, and greater than 1 whereas probability can not. As regression might actually
produce probabilities that could be less than 0, or even bigger than
1, logistic regression was introduced.
Source: http://gerardnico.com/wiki/data_mining/simple_logistic_regression
Outcome
In linear regression, the...
how to add script src inside a View when using Layout
...
BTW, sections are essentially your contentplaceholders you were referring to. See the default MVC web project and how they place a heading on the page.
– Brad Christie
Jan 11 '13 at 18:57
...
Close and Dispose - which to call?
...and Dispose in the case of SqlConnectionObject is:
An application can call Close more
than one time. No exception is
generated.
If you called Dispose method
SqlConnection object state will be
reset. If you try to call any
method on disposed SqlConnection
object, you will receive...
How do I show multiple recaptchas on a single page?
...ave 2 forms on a single page. One of the forms has a recaptcha displaying all the time. The other should display a recaptcha only after a certain event such as maxing out login attempts. So there are times when I would need 2 recaptchas to appear on the same page. Is this possible? I know I cou...