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How to get the name of a function in Go?
...lect"
"runtime"
)
func foo() {
}
func GetFunctionName(i interface{}) string {
return runtime.FuncForPC(reflect.ValueOf(i).Pointer()).Name()
}
func main() {
// This will print "name: main.foo"
fmt.Println("name:", GetFunctionName(foo))
}
...
typeof for RegExp
...vital methods or properties, or by its internal class value (by using {}.toString.call(instaceOfMyObject)).
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How can I efficiently download a large file using Go?
....
import (
"os"
"net/http"
"io"
)
func downloadFile(filepath string, url string) (err error) {
// Create the file
out, err := os.Create(filepath)
if err != nil {
return err
}
defer out.Close()
// Get the data
resp, err := http.Get(url)
if err != nil {
return ...
How to save all the variables in the current python session?
I want to save all the variables in my current python environment. It seems one option is to use the 'pickle' module. However, I don't want to do this for 2 reasons:
...
The model backing the context has changed since the database was created
...you or anyone get the Invalid object name 'dbo.Table check your connection string attachDbFilename and initial catalog
– benscabbia
Jan 12 '17 at 7:28
...
How to detect the OS from a Bash script?
...
From a quick glance, the backticks could resemble a string.
– Harrison Powers
Mar 31 '14 at 0:53
...
deleting rows in numpy array
...tected. In this case, the short-circuiting should be a draw, but doing the extra not should make it slower in my opinion.
– Justin Peel
Oct 11 '10 at 2:28
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...
In Python, how do I create a string of n characters in one line of code?
I need to generate a string with n characters in Python. Is there a one line answer to achieve this with the existing Python library? For instance, I need a string of 10 letters:
...
What is JSON and why would I use it?
..."646 555-4567"
]
}
JSON in JavaScript
JSON (in Javascript) is a string!
People often assume all Javascript objects are JSON and that JSON is a Javascript object. This is incorrect.
In Javascript var x = {x:y} is not JSON, this is a Javascript object. The two are not the same thing. The ...
__getattr__ on a module
...
A while ago, Guido declared that all special method lookups on
new-style classes bypass __getattr__ and __getattribute__. Dunder methods had previously worked on modules - you could, for example, use a module as a context manager simply by defining __enter__...