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How can I include a YAML file inside another?
So I have two YAML files, "A" and "B" and I want the contents of A to be inserted inside B, either spliced into the existing data structure, like an array, or as a child of an element, like the value for a certain hash key.
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SQL Query Where Field DOES NOT Contain $x
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What kind of field is this? The IN operator cannot be used with a single field, but is meant to be used in subqueries or with predefined lists:
-- subquery
SELECT a FROM x WHERE x.b NOT IN (SELECT b FROM y);
-- predefined list
SELECT a FROM x WHERE x.b NOT IN (1, 2, 3, 6);
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`from … import` vs `import .` [duplicate]
I'm wondering if there's any difference between the code fragment
6 Answers
6
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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]
Two questions about using a question mark "?" and colon ":" operator within the parentheses of a print function: What do they do? Also, does anyone know the standard term for them or where I can find more information on their use? I've read that they are similar to an 'if' 'else' statement.
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
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General numeric sort compares the numbers as floats, this allows scientific notation eg 1.234E10 but is slower and subject to rounding error (1.2345678 could come after 1.2345679), numeric sort is just a regular alphabetic sort that knows 10 comes after 9.
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Can overridden methods differ in return type?
...re specific return type. That is, as long as the new return type is assignable to the return type of the method you are overriding, it's allowed.
For example:
class ShapeBuilder {
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public Shape build() {
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}
class CircleBuilder extends ShapeBuilder{
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@Override
pub...
How to get the filename without the extension from a path in Python?
...xt.zip.asc")[0])
Prints:
/path/to/some/file.txt.zip
See other answers below if you need to handle that case.
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It is more efficient to use if-return-return or if-else-return?
...nt function, the two forms are equivalent (although the second one is arguably more readable than the first).
The efficiency of both forms is comparable, the underlying machine code has to perform a jump if the if condition is false anyway.
Note that Python supports a syntax that allows you to use...
Copy file remotely with PowerShell
...hell script that I want to run from Server A.
I want to connect to Server B and copy a file to Server A as a backup.
5 Ans...
Can someone explain the traverse function in Haskell?
I am trying and failing to grok the traverse function from Data.Traversable . I am unable to see its point. Since I come from an imperative background, can someone please explain it to me in terms of an imperative loop? Pseudo-code would be much appreciated. Thanks.
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