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C# switch on type [duplicate]
... If you want a solution that works with sub-types, then at some point IsAssignableFrom will have to be used to make the comparison. This answer supports sub-types but its ussage is a little verbose
– sparebytes
Sep 17 '13 at 16:28
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What does the Ellipsis object do?
...hat can appear in slice notation. For example:
myList[1:2, ..., 0]
Its interpretation is purely up to whatever implements the __getitem__ function and sees Ellipsis objects there, but its main (and intended) use is in the numpy third-party library, which adds a multidimensional array type. Sinc...
Exporting functions from a DLL with dllexport
...l the C++isms (namespaces etc...). You can compile your code as C by going into your project settings under C/C++->Advanced, there is an option "Compile As" which corresponds to the compiler switches /TP and /TC.
If you still want to use C++ to write the internals of your lib but export some func...
Android notification is not showing
...k:
.setSmallIcon(R.drawable.icon)
Android Oreo (8.0) and above
Android 8 introduced a new requirement of setting the channelId property by using a NotificationChannel.
private NotificationManager mNotificationManager;
NotificationCompat.Builder mBuilder =
new NotificationCompat.Builder(mConte...
What are the differences between “generic” types in C++ and Java?
...ig difference between them. In C++ you don't have to specify a class or an interface for the generic type. That's why you can create truly generic functions and classes, with the caveat of a looser typing.
template <typename T> T sum(T a, T b) { return a + b; }
The method above adds two obj...
What is the best way to implement constants in Java? [closed]
...ue;
I highly recommend NOT putting your constants in their own classes or interfaces.
As a side note: Variables that are declared final and are mutable can still be changed; however, the variable can never point at a different object.
For example:
public static final Point ORIGIN = new Point(0...
Get Android .apk file VersionName or VersionCode WITHOUT installing apk
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What is platformBuildVersionName that gets printed when I use this command and why is it empty?
– Sevastyan Savanyuk
Mar 21 '18 at 11:57
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How to declare a variable in MySQL?
...
User variables can be assigned a value from a limited set of data
types: integer, decimal, floating-point, binary or nonbinary string,
or NULL value.
User-defined variables are session-specific. That is, a user
variable defined by one client cannot be seen or used by other
clients.
They can be u...
right click context menu for datagridview
...enuItem("Copy"));
m.MenuItems.Add(new MenuItem("Paste"));
int currentMouseOverRow = dataGridView1.HitTest(e.X,e.Y).RowIndex;
if (currentMouseOverRow >= 0)
{
m.MenuItems.Add(new MenuItem(string.Format("Do something to row {0}", currentMouseOverRow.ToSt...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...re any downsides to passing structs by value in C, rather than passing a pointer?
10 Answers
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