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Test if executable exists in Python?
...hing to do here. Neither Windows nor POSIX appear to encourage quoted PATH items.
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Cost of storing AMI
... @michal Zalewski, the url is the same for the two links in the first item. I think for understand what are snapshots and how they are billed we should check aws.amazon.com/premiumsupport/knowledge-center/…
– Pedro
Jun 1 '17 at 16:28
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How best to determine if an argument is not sent to the JavaScript function
... there's more than one optional argument.
The test for undefined is next 'best' - it only 'fails' if the function is explicitly called with an undefined value, which in all likelyhood should be treated the same way as omitting the argument.
The use of the || operator might trigger usage of the def...
What's the best free C++ profiler for Windows? [closed]
I'm looking for a profiler in order to find the bottleneck in my C++ code. I'd like to find a free, non-intrusive, and good profiling tool. I'm a game developer, and I use PIX for Xbox 360 and found it very good, but it's not free. I know the Intel VTune , but it's not free either.
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REST API Best practice: How to accept list of parameter values as input [closed]
We are launching a new REST API and I wanted some community input on best practices around how we should have input parameters formatted:
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
...ut in addition to setting the readonly attribute on the form field:
class ItemForm(ModelForm):
def __init__(self, *args, **kwargs):
super(ItemForm, self).__init__(*args, **kwargs)
instance = getattr(self, 'instance', None)
if instance and instance.pk:
self.fi...
Best practices for adding .gitignore file for Python projects? [closed]
I'm trying to collect some of my default settings, and one thing I realized I don't have a standard for is .gitignore files. There's a great thread showing a good .gitignore for Visual Studio projects , but I don't see many recommendations for Python and related tools (PyGTK, Django).
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What is a good use case for static import of methods?
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Effective Java, Second Edition, at the end of Item 19 notes that you can use static imports if you find yourself heavily using constants from a utility class. I think this principle would apply to static imports of both constants and methods.
import static com.example.U...
Looping over a list in Python
...ode checks for a length of 2 rather than of 3...
The code only prints one item per value of x - and x is iterating over the elements of values, which are the sublists. So it will only print each sublist once.
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C# equivalent to Java's charAt()?
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you can use LINQ
string abc = "abc";
char getresult = abc.Where((item, index) => index == 2).Single();
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