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Why should we typedef a struct so often in C?
...keystrokes, it also can make the code cleaner since it provides a smidgen more abstraction.
Stuff like
typedef struct {
int x, y;
} Point;
Point point_new(int x, int y)
{
Point a;
a.x = x;
a.y = y;
return a;
}
becomes cleaner when you don't need to see the "struct" keyword all over th...
When should I write the keyword 'inline' for a function/method?
When should I write the keyword inline for a function/method in C++?
15 Answers
15
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Pass correct “this” context to setTimeout callback?
...that.tip.destroy() }, 1000);
}
In the ES5 spec, just released a year before that time, it introduced the bind method, this wasn't suggested in the original answer because it wasn't yet widely supported and you needed polyfills to use it but now it's everywhere:
if (this.options.destroyOnHide) {
...
How do I see if Wi-Fi is connected on Android?
...he state of the Wi-Fi adapter. From there you can check if it is connected or even available.
ConnectivityManager connManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (mWifi.isConnected...
String variable interpolation Java [duplicate]
String building in Java confounds me. I abhore doing things like:
5 Answers
5
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How to easily resize/optimize an image size with iOS?
My application is downloading a set of image files from the network, and saving them to the local iPhone disk. Some of those images are pretty big in size (widths larger than 500 pixels, for instance). Since the iPhone doesn't even have a big enough display to show the image in its original size, I'...
How to Deal with Temporary NSManagedObject instances?
...e NSManagedObject instances, do some stuff with them and then trash them or store to sqlite db. The problem is, I cannot create instances of NSManagedObject unconnected to NSManagedObjectContext and this means I have to clear up somehow after I decide that I don't need some of the objects in ...
Best way to find the intersection of multiple sets?
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@RadioControlled For a one liner that works when setlist is empty, use u = set.intersection(*setlist) if setlist else set()
– proteome
Jul 13 at 6:24
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Git: See my last commit
...d in the last commit exactly as I saw the list when I did git commit . Unfortunately searching for
14 Answers
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What do
I can see in the API docs for Predef that they're subclasses of a generic function type (From) => To, but that's all it says. Um, what? Maybe there's documentation somewhere, but search engines don't handle "names" like "
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