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How can I extract the folder path from file path in Python?
....path.split(os.path.abspath(existGDBPath))
('T:\\Data\\DBDesign', 'DBDesign_93_v141b.mdb')
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Does a view exist in ASP.NET MVC?
... aside: one of our engineers (since moved on) built a custom view engine (called MultiTenantViewEngine, so you get a sense of its purpose) that implements FindView to throw a HttpException (404) if it can't find the given view. Is this good practice? I have no idea. But wouldn't be surprised if t...
Meaning of 'const' last in a function declaration of a class?
...e that is often broken and easily broken.
foobar& fbNonConst = const_cast<foobar&>(fb1);
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Rotation methods deprecated, equivalent of 'didRotateFromInterfaceOrientation'?
... new viewWillTransitionToSize method which has been introduced in iOS 8 (all other rotation methods have been deprecated). I'd like to know what the equivalent of didRotateFromInterfaceOrientation is now as there are a number of clean up tasks we need to perform and I can't see a block that we c...
in_array() and multidimensional array
...sive (hence the _r, analogous to print_r(), for example). It descends into all nested arrays to search for the value until there are no more arrays to be found. This way, you can search through arrays of arbitrary complexity instead of just two levels deep.
– jwueller
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Multiple aggregations of the same column using pandas GroupBy.agg()
... functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times?
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Random “Element is no longer attached to the DOM” StaleElementReferenceException
...r valid. It's close to impossible for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives control to you, who as the test/app author should know exactly what may or may not happen. What you want to do is explicitly wait until the DOM is in...
UITableViewCell with UITextView height in iOS 7?
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First of all, it is very important to note, that there is a big difference between UITextView and UILabel when it comes to how text is rendered. Not only does UITextView have insets on all borders, but also the text layout inside it i...
Will strlen be calculated multiple times if used in a loop condition?
...optimiser might be able to deduce that the value won't change, but I personally wouldn't rely on that.
I'd do something like
for (int i = 0, n = strlen(ss); i < n; ++i)
or possibly
for (int i = 0; ss[i]; ++i)
as long as the string isn't going to change length during the iteration. If it mi...
How to correctly implement custom iterators and const_iterators?
...e, std::iterator with random_access_iterator_tag.These base classes define all type definitions required by STL and do other work.
To avoid code duplication iterator class should be a template class and be parametrized by "value type", "pointer type", "reference type" or all of them (depends on impl...