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Why does C# not provide the C++ style 'friend' keyword? [closed]
...ly.
Typically, a designer desires to expose only a few private methods to selected few other classes. For example, in a class factory pattern it may be desired that class C1 is instantiated only by class factory CF1. Therefore class C1 may have a protected constructor and a friend class factory C...
Find unique rows in numpy.array
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As of NumPy 1.13, one can simply choose the axis for selection of unique values in any N-dim array. To get unique rows, one can do:
unique_rows = np.unique(original_array, axis=0)
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Toggle input disabled attribute using jQuery
... .prop() method accepts two arguments:
Property name (disabled, checked, selected) anything that is either true or false
Property value, can be:
(empty) - returns the current value.
boolean (true/false) - sets the property value.
function - Is executed for each found element, the returned value i...
App Inventor 2 网络摄像头调用教程 - 通过API查看实时监控画面 · App Inventor 2 中文网
...getWebViewString();
if(msg && msg.startsWith("URL:")){
document.querySelector('img').src = msg.substring(4);
window.AppInventor.setWebViewString("");
}
},100);
when 按钮_切换摄像头.Click() {
Web浏览器_摄像头.WebViewString = "URL:http://192.168.1.101:8080/video"
}
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How to add an Access-Control-Allow-Origin header
...for the file
scroll down to the file
click the cog icon
click Edit Headers
select Access-Control-Allow-Origin
add the single character '*' (without the quotes)
hit enter
repeat for the other files
If you need to continue and do #2, then you'll need a command line with CURL
curl -D - --header "X-A...
How can I make Visual Studio's build be very verbose?
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In Visual Studio go to your project and right click on it and select properties. In Linker there is a command line option. There you have all the options and you can add your custom ones. Add /VERBOSE and when linking Visual Studio will show a lot more information.
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Finding a branch point with Git?
...ed from master):
or here (as viewed from topic):
in both cases, I've selected the commit that is B in my graph. Once you click on it, its full SHA is presented in a text input field just below the graph.
2. visually, but from the terminal:
git log --graph --oneline --all
(Edit/side-note:...
What does [:] mean?
...pulation[:] they default to 0 and length(population) respectively, thereby selecting the entire list. Hence this is a common idiom to make a copy of a list.
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When applying a patch is there any way to resolve conflicts?
... You can also right drag patches on a working tree folder and select "Apply patch serial" (for patches like 0001-xxx.patch, ... 0002-xxy.patch) or "Apply single patch file".
– MrTux
Sep 6 '15 at 19:24
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Why aren't my breakpoints working?
...e Xcode Debugging preferences.
Make sure that "Load Symbols lazily" is NOT selected.
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