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Instance attribute attribute_name defined outside __init__
...ach child class may override, and in this function use function setattr in order to define the class-unique instance variables. May be this is not too aesthetic as well, but it eliminates the here-discussed linting warning.
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UICollectionView Set number of columns
...h Swift 5 and iOS 12.3, you can use one the 4 following implementations in order to set the number of items per row in your UICollectionView while managing insets and size changes (including rotation).
#1. Subclassing UICollectionViewFlowLayout and using UICollectionViewFlowLayout's itemSize prop...
SignalR - Sending a message to a specific user using (IUserIdProvider) *NEW 2.0.0*
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This is how use SignarR in order to target a specific user (without using any provider):
private static ConcurrentDictionary<string, string> clients = new ConcurrentDictionary<string, string>();
public string Login(string username)
{
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Adding a regression line on a ggplot
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And so you never worry about ordering of your formulas or just adding a +0 you can use names. data.lm$coefficients[['(Intercept)']] and data.lm$coefficients[['DepDelay']].
– Ufos
May 14 '19 at 16:56
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How to make a div with no content have a width?
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a div usually needs at least a non-breaking space (&nbsp;) in order to have a width.
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NumPy: function for simultaneous max() and min()
... as the fastest C-compiled library (at least we are talking about the same order of magnitude), which is impressive taking into account that we wrote nothing else than pure Python code, don't you agree? ^^
– Peque
Mar 14 '17 at 8:26
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What is external linkage and internal linkage?
...e to control when it is constructed due to issues with global construction order and can't dynamically allocate it using new while more in-depth initialization schemes may be beyond what is necessary for the object in question; by implication, this is mainly an issue on embedded systems that use C++...
Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
... On Windows 7, I had to do this on git bash command prompt in order to run ssh-keygen. thanks.
– Rots
Jun 27 '13 at 9:47
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Macro vs Function in C
...ator though... overlooked that... But it might still be less readable.)
Order of Operations: (courtesy of @ouah)
#define min(a,b) (a < b ? a : b)
min(x & 0xFF, 42)
gets expanded to:
(x & 0xFF < 42 ? x & 0xFF : 42)
But & has lower precedence than <. So 0xFF < 42 ...
How to make a Bootstrap accordion collapse when clicking the header div?
...ions/19866172/… it needs to be <a> (since it requires the href) in order for it to be collapsible on iphone... any ideas?
– minovsky
Mar 20 '14 at 4:03
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