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What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]
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With the Factory pattern, you produce instances of implementations (Apple, Banana, Cherry, etc.) of a particular interface -- say, IFruit.
With the Abstract Factory pattern, you provide a way for anyone to provide their own f...
How do I add an existing directory tree to a project in Visual Studio?
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edited Apr 8 '16 at 17:04
Maria Ines Parnisari
13.5k66 gold badges6767 silver badges107107 bronze badges
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Is there a NumPy function to return the first index of something in an array?
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Yes, here is the answer given a NumPy array, array, and a value, item, to search for:
itemindex = numpy.where(array==item)
The result is a tuple with first all the row indices, then all the column indices.
For example, if an array is two dimensions and it contained your item at two loc...
Test whether a list contains a specific value in Clojure
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Ah, contains?... supposedly one of the top five FAQs re: Clojure.
It does not check whether a collection contains a value; it checks whether an item could be retrieved with get or, in other words, whether a collection contains a key. This makes sense for sets (which can be thought of as mak...
How to duplicate object properties in another object?
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edited Oct 11 '19 at 21:49
Zoltán Matók
3,68122 gold badges2626 silver badges5151 bronze badges
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Why does Python pep-8 strongly recommend spaces over tabs for indentation?
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The answer was given right there in the PEP [ed: this passage has been edited out in 2013]. I quote:
The most popular way of indenting Python is with spaces only.
What other underlying reason do you need?
To put it less bluntly: Consider also the scope of the PEP as stated in the very first...
Python read-only property
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Generally, Python programs should be written with the assumption that all users are consenting adults, and thus are responsible for using things correctly themselves. However, in the rare instance where it just does not make sense for an attribute to be settable ...
Why is 1/1/1970 the “epoch time”?
...ns of unix measured system time in 1/60 s intervals. This meant that a 32-bit unsigned integer could only represent a span of time less than 829 days. For this reason, the time represented by the number 0 (called the epoch) had to be set in the very recent past. As this was in the early 1970s, the e...
What is a Maven artifact?
What is an artifact and why does Maven need it?
9 Answers
9
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How to get the directory of the currently running file?
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This should do it:
import (
"fmt"
"log"
"os"
"path/filepath"
)
func main() {
dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
if err != nil {
log.Fatal(err)
}
fmt.Println(dir)
}
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