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How can I increment a char?
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I came from PHP, where you can increment char (A to B, Z to AA, AA to AB etc.) using ++ operator. I made a simple function which does the same in Python. You can also change list of chars to whatever (lowercase, uppercase, etc.) is your ...
Laravel Eloquent Sum of relation's column
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Select something that has more/less than x character
...Oracle documentation:
http://www.techonthenet.com/oracle/functions/length.php
And here is the mySQL Documentation of Length(string):
http://dev.mysql.com/doc/refman/5.1/en/string-functions.html#function_length
For PostgreSQL, you can use length(string) or char_length(string). Here is the Postgre...
What would cause an algorithm to have O(log n) complexity?
...s assume you have, say, a list of N elements that are sorted in increasing order. You want to find out if some given number exists in that list. One way to do that which is not a binary search is to just scan each element of the list and see if it's your target number. You might get lucky and fin...
How to pass arguments to addEventListener listener function?
... i dont like the idea of having to name the curried function in order to remove the listener cuz then ur dealing with 2 diff namespaces that u gotta keep track of
– oldboy
Nov 19 '19 at 0:24
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How to log cron jobs?
... @Danijel serverfault.com/a/117365/193377 0 0 * * * /some/path/to/a/file.php > $HOME/date +\%Y\%m\%d\%H\%M\%S-cron.log 2>&1
– AnneTheAgile
Oct 11 '17 at 22:11
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ToList()— does it create a new list?
...Enumerable<T> you get is the result of combining multiple filtering, ordering, and/or projection operations. Extension methods like ToList() and ToArray() allow you to convert the computed sequence into a standard collection.
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Order a List (C#) by many fields? [duplicate]
I want to order a List of objects in C# by many fields, not just by one. For example, let's suppose I have a class called X with two Attributes, A and B, and I have the following objects, in that order:
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Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
In order to make a simple game, I used a template that draws a canvas with bitmaps like this:
18 Answers
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Returning 'IList' vs 'ICollection' vs 'Collection'
...erface.
IList<T> is essentially an ICollection<T> with random order-based access.
In this case you should decide whether or not your results require list semantics such as order based indexing (then use IList<T>) or whether you just need to return an unordered "bag" of results (t...