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Java: Detect duplicates in ArrayList?
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Simplest: dump the whole collection into a Set (using the Set(Collection) constructor or Set.addAll), then see if the Set has the same size as the ArrayList.
List<Integer> list = ...;
Set<Integer> set = new HashSet<Integer>(list);
if(set.size() <...
Why doesn't std::queue::pop return value.?
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Programmatically get the version number of a DLL
Is it possible to get the version number programmatically from any .NET DLL?
10 Answers
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Java Set retain order?
Does a Java Set retain order? A method is returning a Set to me and supposedly the data is ordered but iterating over the Set, the data is unordered. Is there a better way to manage this? Does the method need to be changed to return something other than a Set?
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When should I use cross apply over inner join?
What is the main purpose of using CROSS APPLY ?
13 Answers
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SET NAMES utf8 in MySQL?
...ode.html in case you aren't aware how Unicode works.
Read Whether to use "SET NAMES" to see SET NAMES alternatives and what exactly is it about.
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Differences between lodash and underscore [closed]
...rays, strings, objects, and arguments objects1. It has since become a superset of Underscore, providing more consistent API behavior, more features (like AMD support, deep clone, and deep merge), more thorough documentation and unit tests (tests which run in Node, Ringo, Rhino, Narwhal, PhantomJS, a...
Iterate two Lists or Arrays with one ForEach statement in C#
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Django DB Settings 'Improperly Configured' Error
... of these things:
Use python manage.py shell
Use django-admin.py shell --settings=mysite.settings (or whatever settings module you use)
Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings
(This is removed in Django 1.6) Use setup_environ in the python interpreter:
from d...