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Objective-C class -> string like: [NSArray className] -> @“NSArray”

I am trying to get a string name of a class from the class object itself. 3 Answers 3 ...
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Remove the last character from a string [duplicate]

What is fastest way to remove the last character from a string? 4 Answers 4 ...
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How to schedule a function to run every hour on Flask?

...h curl) I like this in that it's easy to test the job manually, it has no extra dependencies and as there isn't anything special going on it is easy to understand. Security If you'd like to password protect your cron job, you can pip install Flask-BasicAuth, and then add the credentials to your a...
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Generate random 5 characters string

I want to create exact 5 random characters string with least possibility of getting duplicated. What would be the best way to do it? Thanks. ...
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A quick and easy way to join array elements with a separator (the opposite of split) in Java [duplic

... Using Java 8 you can do this in a very clean way: String.join(delimiter, elements); This works in three ways: 1) directly specifying the elements String joined1 = String.join(",", "a", "b", "c"); 2) using arrays String[] array = new String[] { "a", "b", "c" }; String ...
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Android - Launcher Icon Size

...ractices/screens_support.html. Search on the page for, "180x180 (3.0x) for extra-extra-high-density". However, I've seen 144 a few places. – 1.21 gigawatts Jan 25 '15 at 5:13 ...
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Peak-finding algorithm for Python/SciPy

...ers width, threshold, distance and above all prominence to get a good peak extraction. According to my tests and the documentation, the concept of prominence is "the useful concept" to keep the good peaks, and discard the noisy peaks. What is (topographic) prominence? It is "the minimum height nec...
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Using Java 8's Optional with Stream::flatMap

...de() { return optional.hashCode(); } @Override public String toString() { return optional.toString(); } } You will see that I added flatStream(), as here: public Stream<T> flatStream() { if (!optional.isPresent()) { return Stream.empty(); } ...
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How do I edit an existing tag message in git?

... > }' | # extract all the dates from the info > tail -2 | head -1)" `# get the second to last date, as the last one is the commit date` \ > git tag tag1 tag1^{} -a -f ...
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How do I delete an exported environment variable?

... @RodrigoGurgel using echo won't show existing variable set to empty string or nul. to your point, though, a proper way to test for variable would be env | grep -e '^VARNAME='. – Thomas Feb 1 '19 at 14:22 ...