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ArrayList vs List in C#
...face and can be used easily in LINQ (without requiring any Cast or OfType call).
ArrayList belongs to the days that C# didn't have generics. It's deprecated in favor of List<T>. You shouldn't use ArrayList in new code that targets .NET >= 2.0 unless you have to interface with an old API t...
Find element's index in pandas Series
... The trouble here is it assumes the element being searched for is actually in the list. It's a bummer pandas doesn't seem to have a built in find operation.
– jxramos
Aug 23 '17 at 17:16
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Search code inside a Github project
...e when using the default search selector "Everything":)
(I suppose we can all than Tim Pease, which had in one of his objectives "hacking on improved search experiences for all GitHub properties", and I did mention this Stack Overflow question at the time ;) )
Here is an illustration of a grep wit...
Finding element's position relative to the document
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No it does not, when any parent (especially html element!!!) has margins, paddings or borders.
– Flash Thunder
Nov 20 '14 at 15:10
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How do you get the index of the current iteration of a foreach loop?
...or iterating over collections that implement IEnumerable. It does this by calling GetEnumerator on the collection, which will return an Enumerator.
This Enumerator has a method and a property:
MoveNext()
Current
Current returns the object that Enumerator is currently on, MoveNext updates Current t...
Which Eclipse version should I use for an Android app?
... to download the Android SDK bundle:
http://developer.android.com/sdk/installing/bundle.html
The ADT Bundle provides everything you need to start developing apps,
including a version of the Eclipse IDE with built-in ADT (Android
Developer Tools) to streamline your Android app development.
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Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of
...[Help 1]
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Had maven 3.0.5, eclipse Kepler with JBoss Dev Studio 7 installed. Computer sitting on internal network with proxy to the internet. Here's what I did.
0. Check the maven repositiory server is up
1. Check Proxy is set up and working
First I thought it was a proxy problem, I made sur...
Convert a String representation of a Dictionary to a dictionary?
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Starting in Python 2.6 you can use the built-in ast.literal_eval:
>>> import ast
>>> ast.literal_eval("{'muffin' : 'lolz', 'foo' : 'kitty'}")
{'muffin': 'lolz', 'foo': 'kitty'}
This is safer than using eval. As its own docs say:
>>> help(ast.literal_e...
Grab a segment of an array in Java without creating a new array on heap
...wer by @unique72 is correct. Imma let this edit sit for a bit and then I shall delete this answer.)
I don't know of a way to do this directly with arrays without additional heap allocation, but the other answers using a sub-list wrapper have additional allocation for the wrapper only – but not...
Why should the “PIMPL” idiom be used? [duplicate]
...() to be able to use private members of CatImpl. Cat::Purr() would not be allowed such an access without a friend declaration.
Because you then don't mix responsibilities: one class implements, one class forwards.
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