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How to get the name of the calling method?
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edited Apr 25 '19 at 21:32
Bryan Ash
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Validating IPv4 addresses with regexp
I've been trying to get an efficient regex for IPv4 validation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
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Wildcards in jQuery selectors
...trying to use a wildcard to get the id of all the elements whose id begin with "jander". I tried $('#jander*') , $('#jander%') but it doesn't work..
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Get User's Current Location / Coordinates
....location?.coordinate else { return }
print("locations = \(locValue.latitude) \(locValue.longitude)")
}
In the info.plist you will have to add NSLocationAlwaysUsageDescription
and your custom alert message like; AppName(Demo App) would like to use your current location.
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What are C++ functors and their uses?
...)(int y) const { return x + y; }
private:
int x;
};
// Now you can use it like this:
add_x add42(42); // create an instance of the functor class
int i = add42(8); // and "call" it
assert(i == 50); // and it added 42 to its argument
std::vector<int> in; // assume this contains a bunch of v...
In Mongoose, how do I sort by date? (node.js)
...ort: {date: -1}}, function(err, docs) { ... });
For an ascending sort, omit the - prefix on the string version or use values of 1, asc, or ascending.
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JSON serialization of Google App Engine models
I've been searching for quite a while with no success. My project isn't using Django, is there a simple way to serialize App Engine models (google.appengine.ext.db.Model) into JSON or do I need to write my own serializer?
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Maven Install on Mac OS X
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OS X prior to Mavericks (10.9) actually comes with Maven 3 built in.
If you're on OS X Lion, you won't have java installed by default. Just run java by itself and it'll prompt you to install it.
Assuming qualifications are met, run mvn -version and see some output li...
What is the canonical way to determine commandline vs. http execution of a PHP script?
I have a PHP script that needs to determine if it's been executed via the command-line or via HTTP, primarily for output-formatting purposes. What's the canonical way of doing this? I had thought it was to inspect SERVER['argc'] , but it turns out this is populated, even when using the 'Apache 2.0 ...
get dictionary value by key
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It's as simple as this:
String xmlfile = Data_Array["XML_File"];
Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue...