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How to get the type of T from a member of a generic class or method?
...abc.GetType().GetGenericArguments()[0];
Another option is to look at the indexer:
Type type = abc.GetType().GetProperty("Item").PropertyType;
Using new TypeInfo:
using System.Reflection;
// ...
var type = abc.GetType().GetTypeInfo().GenericTypeArguments[0];
...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...ith something like map or collect would be built in, and nobody has to see all the hoops the compiler has to go through to make them work smoothly. In Scala, it's all in a library, and therefore out in the open.
In fact the functionality of map that's supported by its complicated type is pretty adv...
How to print register values in GDB?
...
info registers shows all the registers; info registers eax shows just the register eax. The command can be abbreviated as i r
share
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improve th...
How to saveHTML of DOMDocument without HTML wrapper?
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All of these answers are now wrong, because as of PHP 5.4 and Libxml 2.6 loadHTML now has a $option parameter which instructs Libxml about how it should parse the content.
Therefore, if we load the HTML with these options
...
What is difference between Collection.stream().forEach() and Collection.forEach()?
... for:each 53 171 1262 11164 111005
for with index 39 112 920 8577 89212
iterable.stream.forEach 255 324 1030 8519 88419
If you repeat the experiment, I posted the full source code. Please do edit this answer and add you results with a notation ...
Static methods in Python?
... print(" {}".format(dog))
else:
print("The dog indexed at {} is {}.".format(n, Dog.dogs[n]))
fido = Dog("Fido")
fido.bark(3)
Dog.rollCall(-1)
rex = Dog("Rex")
Dog.rollCall(0)
In this code, the "rollCall" method assumes that the first argument is not an instance (as it ...
How to escape single quotes within single quoted strings
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If you really want to use single quotes in the outermost layer, remember that you can glue both kinds of quotation. Example:
alias rxvt='urxvt -fg '"'"'#111111'"'"' -bg '"'"'#111111'"'"
# ^^^^^ ^^^^^ ^...
When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
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Nice Explanation from
http://www.programmerinterview.com/index.php/data-structures/dfs-vs-bfs/
An example of BFS
Here’s an example of what a BFS would look like. This is something like Level Order Tree Traversal where we will use QUEUE with ITERATIVE approach (Mostly RECURS...
Android getting value from selected radiobutton
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For anyone who is populating programmatically and looking to get an index, you might notice that the checkedId changes as you return to the activity/fragment and you re-add those radio buttons. One way to get around that is to set a tag with the index:
for(int i = 0; i < myNames.leng...
通信连接组件 · App Inventor 2 中文网
...glat
调用百度地图的uri参考地址：https://lbsyun.baidu.com/index.php?title=uri/api/web
打开系统照相机（比照相机组件打开的界面会丰富一些）
Action: android.media.action.STILL_IMAGE_CAMERA
可选取多个文件（图片、音频、...