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Create a custom event in Java
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As java.util.Observer got deprecated from Java 9 would there be any better option in implementing custom event?
– Udaya Shankara Gandhi Thalabat
Jun 16 at 20:51
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Difference between app.use and app.get in express.js
..., but nobody does a great job of explaining how they function differently. From what I can gather, all .use handlers run first, and .use matches any path that begins with the specified path (i.e. .use('/', ...) and .get('/*', ...) would match the same paths). For me it's easier to understand the ove...
What is the easiest way to remove all packages installed by pip?
...you need to exclude those lines and remove the packages manually (elevated from the comments below):
pip freeze | grep -v "^-e" | xargs pip uninstall -y
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Sorting a list using Lambda/Linq to objects
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I think it's more likely because it's coming from a sort control on a web page that passes the sort column back as a string parameter. That would be my use case, anyway.
– tvanfosson
Apr 6 '09 at 20:31
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How do I choose a HTTP status code in REST API for “Not Ready Yet, Try Again Later”? [closed]
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I suggest 202 - Accepted. From the documentation:
The request has been accepted for processing, but the processing has not been completed. [...]
Its purpose is to allow a server to accept a request for some other process (perhaps a batch-orient...
What do people think of the fossil DVCS? [closed]
... extremely robust, even on large projects. I wouldn't expect anything else from the guys who wrote sqlite. No crashes, no corruption, no funny business.
4) I'm actually very, very happy with performance. Not as fast as git on huge trees, but not much slower either. I make up any lost time by not ha...
How to convert Nonetype to int or string?
... figure out how you're getting None when you expect a number and stop that from happening.
If it's someone else's code, find out the conditions under which it gives None and determine a sensible value to use for that, with the usual conditional code:
result = could_return_none(x)
if result is Non...
Unpacking array into separate variables in JavaScript
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You should really use var to prevent the variables from polluting the global scope.
– Mathias Bynens
Aug 6 '10 at 9:25
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How do you round a floating point number in Perl?
...ternally it
uses the Math::Complex module and some functions can break out from the
real axis into the complex plane, for example the inverse sine of 2.
Rounding in financial applications can have serious implications, and
the rounding method used should be specified precisely. In these
cases, it ...
Order of items in classes: Fields, Properties, Constructors, Methods
...hat you may or may not have read before? Fields? Properties? I've realized from experience that almost invariably I go hunting for the constructors, because the most basic thing to understand is how this object is constructed.
Therefore, I've started putting constructors first in class files, and t...