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What are the rules for calling the superclass constructor?
...n list.
{
// do something with bar
}
};
More info on the constructor's initialization list here and here.
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Append a NumPy array to a NumPy array
...sage says it all: NumPy arrays do not have an append() method. There's a free function numpy.append() however:
numpy.append(M, a)
This will create a new array instead of mutating M in place. Note that using numpy.append() involves copying both arrays. You will get better performing code if yo...
How to play a notification sound on websites?
....
Audio-sprites support included.
No dependecies (jQuery not required).
25 free sounds included.
Set up plugin:
// set up config
ion.sound({
sounds: [
{
name: "my_cool_sound"
},
{
name: "notify_sound",
volume: 0.2
},
...
What is the purpose of double curly braces in React's JSX syntax?
... Great, thank you! Unfortunately I'm out in California these days but feel free to drop by the #reactjs IRC room on freenode and I'd be happy to answer questions.
– Sophie Alpert
Mar 27 '14 at 4:39
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Renaming xcode 4 project and the actual folder
...d. There will typically be two of them, oldfolder/prefix.pch and oldfolder/info.plist, but there may be others.
All done!
EDIT: this option is still there in Xcode 5, but is helpfully hidden by default. To show it, click the thin "Identity and Type" header in the inspector above the "Text Setti...
How to make a SPA SEO crawlable?
...retty URL generated by google's seach engine. The 'store' route takes the info in the 'fragment' property and makes the AJAX call to get the data, display it, and change the URL locally. In my application, I don't load a different page for every such call; I only change the part of the page where ...
C++ Returning reference to local variable
...
}
The second version does work because the variable is allocated on the free store, which is not bound to the lifetime of the function call. However, you are responsible for deleteing the allocated int.
int* func2()
{
int* p;
p = new int;
*p = 1;
return p;
}
int main()
{
int...
Contains method for a slice
...nt to add an element. Just try it, and if you encounter any problems, feel free to ask. You can also use Mostafa's solution if that's easier for you to understand (unless you have huge amounts of data).
– tux21b
May 7 '12 at 17:43
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Working with README.md on github.com [closed]
...down as you edit it. See https://atom.io/
I'm not sure whether it will be free (as in beer) in the long term.
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Is it possible to use Visual Studio on macOS?
...ou install Visual Studio Code and .NET Core on a Mac in OS X you can quite freely edit and compile and run and debug and share your code with Visual Studio 2017 on a PC.
– DavidMWilliams
Feb 2 '17 at 5:16
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