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Equation for testing if a point is inside a circle
... x, 2) + Math.Pow(center_y - y, 2))
return D <= radius
that's in C#...convert for use in python...
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Java: splitting a comma-separated string but ignoring commas in quotes
... library for reading (and possibly writing) CSV files?
Java lib or app to convert CSV to XML file?
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why does DateTime.ToString(“dd/MM/yyyy”) give me dd-MM-yyyy?
I want my datetime to be converted to a string that is in format "dd/MM/yyyy"
5 Answers
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Why does the is operator return false when given null?
...'t need other types of conversion here) conversion exists; (2) null can be converted to any reference type. Therefore (null is T), where T is a reference type should return true. But no, here we have that explicit exception, which is what seems confusing to me.
– Gebb
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The backend version is not supported to design database diagrams or tables
...se the version designed for your database version. You can use the command select @@version to check which version of sql server you are actually using. This version is reported in a way that is easier to interpret than that shown in the Help About in SSMS.
Using a newer version of SSMS than your...
What does the * * CSS selector do?
...
Just like any other time you put two selectors one after another (for example li a), you get the descendant combinator. So * * is any element that is a descendant of any other element — in other words, any element that isn't the root element of the whole docum...
Swift native base class or NSObject
...error in testIncorrect_CompilerShouldSpot,
reporting "... 'MyClass' is not convertible to 'MirrorDisposition'"
class MyClass {
let mString = "Test"
func getAsString() -> String {
return mString
}
func testIncorrect_CompilerShouldSpot() {
var myString = "Compare to me"
var...
How can I use NSError in my iPhone App?
...rname or password.";
"1004" = "Failed to parse FNID."
2) Add macros to convert integer codes to localized error messages. I've used 2 macros in my Constants+Macros.h file. I always include this file in the prefix header (MyApp-Prefix.pch) for convenience.
Constants+Macros.h
// error handling ....
What is The difference between ListBox and ListView
...ew, but you can easily create your own.
Another difference is the default selection mode: it's Single for a ListBox, but Extended for a ListView
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Debugging iframes with Chrome developer tools
...ools in Chrome, there is a bar along the top, called the Execution Context Selector (h/t felipe-sabino), just under the Elements, Network, Sources... tabs, that changes depending on the context of the current tab. When in the Console tab there is a dropdown in that bar that allows you to select the...