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Finding out whether a string is numeric or not
How can we check if a string is made up of numbers only. I am taking out a substring from a string and want to check if it is a numeric substring or not.
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How to find the type of an object in Go?
...ariables.
The following snippet will print out the reflection type of a string, integer and float.
package main
import (
"fmt"
"reflect"
)
func main() {
tst := "string"
tst2 := 10
tst3 := 1.2
fmt.Println(reflect.TypeOf(tst))
fmt.Println(reflect.TypeOf(tst2))
f...
Random strings in Python
How do you create a random string in Python?
13 Answers
13
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Parse DateTime string in JavaScript
Does anyone know how to parse date string in required format dd.mm.yyyy ?
9 Answers
9...
how to convert array values from string to int?
...e this by following code,
$integerIDs = array_map('intval', explode(',', $string));
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Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the La
...en bugging me again.
The simple truth is, atob doesn't really handle UTF8-strings - it's ASCII only.
Also, I wouldn't use bloatware like js-base64.
But webtoolkit does have a small, nice and very maintainable implementation:
/**
*
* Base64 encode / decode
* http://www.webtoolkit.info
*
**/
var...
Switch statement for string matching in JavaScript
...
You can't do it in a switch unless you're doing full string matching; that's doing substring matching. (This isn't quite true, as Sean points out in the comments. See note at the end.)
If you're happy that your regex at the top is stripping away everything that you don't want ...
Check to see if a string is serialized?
What's the best way to determine whether or not a string is the result of the serialize() function?
10 Answers
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Any reason not to use '+' to concatenate two strings?
A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
Get file name from URL
In Java, given a java.net.URL or a String in the form of http://www.example.com/some/path/to/a/file.xml , what is the easiest way to get the file name, minus the extension? So, in this example, I'm looking for something that returns "file" .
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