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A semantics for Bash scripts?
...ion to Bash as a programming language. For example: What is the evaluation order? what are the scoping rules? What is the typing discipline, e.g. is everything a string? What is the state of the program -- is it a key-value assignment of strings to variable names; is there more than that, e.g. the s...
Short description of the scoping rules?
...e5
x()
The for loop does not have its own namespace. In LEGB order, the scopes would be
L: Local in def spam (in code3, code4, and code5)
E: Any enclosing functions (if the whole example were in another def)
G: Were there any x declared globally in the module (in code1)?
B: Any buil...
How do I limit the number of rows returned by an Oracle query after ordering?
...answer the original question, here's the query:
SELECT *
FROM sometable
ORDER BY name
OFFSET 20 ROWS FETCH NEXT 10 ROWS ONLY;
(For earlier Oracle versions, please refer to other answers in this question)
Examples:
Following examples were quoted from linked page, in the hope of preventing link r...
Algorithm to randomly generate an aesthetically-pleasing color palette [closed]
...olden angle (137,5 degrees)
http://en.wikipedia.org/wiki/Golden_angle
in order to get different colours each time that do not overlap.
Adjusting the brightness for the color wheel you could get also different bright/dark color combinations.
I've found this blog post that explains really well th...
Is there a standard naming convention for git tags? [closed]
... Prefixing 'v' is also quite useful when sorting tags in alphabetical order. Other tags may also exist; whether officially in a master repository or to track a developer's work locally. With 'v' prefixes the release tags form their own group, instead of being scattered all over the rest of the ...
What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
...f these, you want to know some specific information about how they work in order to use them most effectively. What I've outlined here are some good guidelines.
– Brendan Enrick
May 14 '13 at 19:21
...
How do I make CMake output into a 'bin' dir?
...s. Absolutely nothing was working until coming to the realization that the order of these commands is very relevant.
– arthropod
Dec 28 '19 at 0:06
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How does python numpy.where() work?
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Grab a segment of an array in Java without creating a new array on heap
...rious primitive types and helps manage slicing, position, conversion, byte ordering, etc.
If your bytes originate from a Stream, the NIO Buffers can use "direct mode" which creates a buffer backed by native resources. This can improve performance in a lot of cases.
...
Can you break from a Groovy “each” closure?
...tution of the closure in question with one of Groovy's (conceptual) higher order functions. The following example:
for ( i in 1..10) { if (i < 5) println i; else return}
becomes
(1..10).each{if (it < 5) println it}
becomes
(1..10).findAll{it < 5}.each{println it}
which also helps ...