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Intelligent way of removing items from a List while enumerating in C#
...est method might be to just keep track of the elements you want to remove, and then remove them all at once after. Something like this:
List<int> toRemove = new List<int>();
foreach (var elem in myList)
{
// Do some stuff
// Check for removal
if (needToRemoveAnElement)
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How to determine the number of days in a month in SQL Server?
...SQL Server 2014: case when datediff(m, dateadd(day, 1-day(@date), @date), convert(date, convert(datetime, 2958463))) > 0 then datediff(day, dateadd(day, 1-day(@date), @date), dateadd(month, 1, dateadd(day, 1-day(@date), @date))) else 31 end
– bradwilder31415
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SQL SELECT speed int vs varchar
I'm in the process of creating a table and it made me wonder.
9 Answers
9
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Increment value in mysql update query
... in this query uses an arithmetic operator (the plus symbol +), MySQL will convert any strings in the expression to numbers.
To demonstrate, the following will produce the result 6:
SELECT ' 05.05 '+'.95';
String concatenation in MySQL requires the CONCAT() function so there is no ambiguity here...
Synchronise ScrollView scroll positions - android
I have 2 ScrollViews in my android layout. How can I synchronise their scroll positions?
4 Answers
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Pass Method as Parameter using C#
I have several methods all with the same parameter types and return values but different names and blocks. I want to pass the name of the method to run to another method that will invoke the passed method.
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How to pick an image from gallery (SD Card) for my app?
This question was originally asked for Android 1.6.
10 Answers
10
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Get class name of object as string in Swift
...me // = "Foo"
Foo.typeName // = "Foo"
Tested with class, struct and enum.
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Creating an array of objects in Java
I am new to Java and for the time created an array of objects in Java.
8 Answers
8
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Best practices for circular shift (rotate) operations in C++
Left and right shift operators (>) are already available in C++.
However, I couldn't find out how I could perform circular shift or rotate operations.
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