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Scala: what is the best way to append an element to an Array?
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You can use :+ to append element to array and +: to prepend it:
0 +: array :+ 4
should produce:
res3: Array[Int] = Array(0, 1, 2, 3, 4)
It's the same as with any other implementation of Seq.
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How do I get the MIN() of two fields in Postgres?
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LEAST(a, b):
The GREATEST and LEAST functions select the largest or smallest value from a list of any number of expressions. The expressions must all be convertible to a common data type, which will be the type of the result (see Section 10.5 for details). NULL ...
Real-world applications of zygohistomorphic prepromorphisms
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Sharon Curtis and Shin-Cheng Mu have a Functional Pearl using zygomorphisms to find maximally dense segments (a generalization of maximum segment sums). Zygomorphisms are seemingly a good fit for sliding window problems once you are ...
Is there a way to use two CSS3 box shadows on one element?
I'm trying to replicate a button style in a Photoshop mock-up that has two shadows on it. The first shadow is an inner lighter box shadow (2px), and the second is a drop shadow outside the button (5px) itself.
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How can one see content of stack with GDB?
I am new to GDB, so I have some questions:
3 Answers
3
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Select second last element with css
I already know of :last-child. But is there a way to select the div:
2 Answers
2
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how to view the contents of a .pem certificate
I am using Java keytool . I have exported a self-signed .pem certificate from my keystore. Is there a command to view the certificate details directly from the .pem file (not of the certificate in the keystore)?
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Properly escape a double quote in CSV
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Use 2 quotes:
"Samsung U600 24"""
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How to know the size of the string in bytes?
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You can use encoding like ASCII to get a character per byte by using the System.Text.Encoding class.
or try this
System.Text.ASCIIEncoding.Unicode.GetByteCount(string);
System.Text.ASCIIEncoding.ASCII.GetByteCount(string)...
PHP namespaces and “use”
I am having a little trouble with namespaces and the use statements.
2 Answers
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