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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
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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 ...
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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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...
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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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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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?
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> }' | # 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 ...
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...
How do I directly modify a Google Chrome Extension File? (.CRX)
...w.
2.) The sub folder containing the extension is a random alpha-numeric string named after the extension's ID, which can be found on Chrome's extension page if Developer flag is set to true. (Upper right hand checkbox on the extensions page)
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