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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...
How do I get the find command to print out the file size with the file name?
...ust the h extra from jer.drab.org's reply. saves time converting to MB mentally ;)
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How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
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You are so close! All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields:
SELECT tt.*
FROM topten tt
INNER JOIN
(SELECT home, MAX(datetime) AS MaxDateTime
FROM topten
GR...
How to detect if a variable is an array
...ng() (this is guaranteed to work by ECMA-262):
Object.prototype.toString.call(obj) === '[object Array]'
Both methods will only work for actual arrays and not array-like objects like the arguments object or node lists. As all array-like objects must have a numeric length property, I'd check for th...
JUnit vs TestNG [closed]
...e been keeping an eye on TestNG for a while now. What experiences have you all had with either JUnit 4 or TestNG, and which seems to work better for very large numbers of tests? Having flexibility in writing tests is also important to us since our functional tests cover a wide aspect and need to be ...
How to specify an area name in an action link?
... This is a very good tip! But it gives not expected results with MVC 2.. Small correction - Html.ActionLink("home", "Index", new { area = "", controller = "Home" })
– Alexander Beletsky
Nov 20 '10 at 10:36
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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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Am I immoral for using a variable name that differs from its type only by case?
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What is the reasoning of those telling you this is bad? I do this all the time. It is the simplest, expressive way to name a single variable of a type. If you needed two Person objects then you could prefix person with meaningful adjectives like
fastPerson
slowPerson
otherwise just
pe...
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...
cscope or ctags why choose one over the other? [closed]
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ctags enables two features: allowing you to jump from function calls to their definitions, and omni completion. The first means that when you are over a call to a method, hitting g] or CTRL-] will jump to the place where that method is defined or implem...