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New to unit testing, how to write great tests? [closed]
...idea that, when you make a code change, in the moment you may not consider down the line how that change impacts all of the prescribed uses of the code – the test defends against a change that does not satisfy all intended use cases.
– Greenstick
Dec 6 '19 at...
Using Linq to get the last N elements of a collection?
...
.NET Core 2.0+ provides the LINQ method TakeLast():
https://docs.microsoft.com/en-us/dotnet/api/system.linq.enumerable.takelast
example:
Enumerable
.Range(1, 10)
.TakeLast(3) // <--- takes last 3 items
.ToList()
.ForEach(i => System.Console.WriteLine(i)...
What is unit testing and how do you do it? [duplicate]
...g to evolve naturally into your code.
The most obvious benefit is knowing down the road that when a change is made, no other individual units of code were affected by it if they all pass the tests.
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What is the difference between lock and Mutex?
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What is the most ridiculous pessimization you've seen? [closed]
...
Hah, I think every DBA must have gone down the union with archive table route at some point. It always seem so reasonable at the time.
– Cruachan
Mar 26 '09 at 19:39
...
Inline SVG in CSS
...might complain about invalid characters in the string), you can simply use https://www.base64encode.org/.
Example to set a div background:
var mySVG = "<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><linearGradient id='gradient'><stop offset='10%' stop-color='#F0...
How to design a product table for many kinds of product where each product has many parameters
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Database Design for Revisions?
...able with an IsCurrent discriminator attribute. This just causes problems down the line, requires surrogate keys and all sorts of other problems.
Design 2 does have problems with schema changes. If you change the Employees table you have to change the EmployeeHistories table and all the related sp...
Remove warning messages in PHP
... This just hides the error, it's still happening. Errors make PHP slow down so it's best to fix the error if at all possible. Using @ even slows down the code when there is not an error. vega.rd.no/articles/php-performance-error-suppression
– dprevite
Jan 1...
How can I ensure that a division of integers is always rounded up?
...er? And third, if not, was the integer quotient computed by rounding up or down?
Now that we have a specification and a design, we can start writing code.
public static int DivRoundUp(int dividend, int divisor)
{
if (divisor == 0 ) throw ...
if (divisor == -1 && dividend == Int32.MinVa...