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How to validate an e-mail address in swift?
... edited Dec 30 '19 at 7:17
Zandor Smith
34833 silver badges1717 bronze badges
answered Aug 24 '14 at 11:20
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Using os.walk() to recursively traverse directories in Python
I want to navigate from the root directory to all other directories within and print the same.
13 Answers
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How do I concatenate or merge arrays in Swift?
... Khunshan: AnyObject indicates an object, which as I understand means something that is instantiated from a class type. CGFloat is not an object, it is a scalar value. As I understand it, arrays can contain scalars, unless it is defined as containing AnyObject or are further refined. ...
Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?
..., which has a number of fields, but I'm most concerned about author (a standard CharField).
13 Answers
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Google Chrome Extensions - Can't load local images with CSS
... @Salem It would be inconvenient to develop as unpacked extension id and uploaded to the gallery one have different ids. It's not the end of the world, just inconvenience and sort of bad practice, just like hardcoding absolute file pathes in the code for example.
– serg
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Checking images for similarity with OpenCV
... entire research magazines.
I will outline the most common such techniques and their results.
Comparing histograms
One of the simplest & fastest methods. Proposed decades ago as a means to find picture simmilarities. The idea is that a forest will have a lot of green, and a human face a lot of p...
How to log a method's execution time exactly in milliseconds?
...Since(methodStart)
print("Execution time: \(executionTime)")
Easy to use and has sub-millisecond precision.
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Default filter in Django admin
...ve a field named as status which has three values: activate , pending and rejected . When I use list_filter in Django admin, the filter is by default set to 'All' but I want to set it to pending by default.
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Convert any object to a byte[]
I am writing a prototype TCP connection and I am having some trouble homogenizing the data to be sent.
13 Answers
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What are the rules about using an underscore in a C++ identifier?
...e allowed to add template specializations, though.)
From the 2003 C++ Standard:
17.4.3.1.2 Global names [lib.global.names]
Certain sets of names and function signatures are always reserved to the implementation:
Each name that contains a double underscore (__) or begins with an u...