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Python 2022-03-05 19:25:11
python insert on a specific line from file
f = open("path_to_file", "r") contents = f.readlines() f.close() contents.insert(index, value) f = open("path_to_file", "w") contents = "".join(contents) f.write(contents) f.close() Add solution -
C# 2022-03-05 08:35:43
convert string to int c#
using System; public class Example { public static void Main() { string[] strings = new string[] {"1", "2", "3"}; int[] ints = Array.ConvertAll(strings, s => int.Parse(s)); Console.WriteLine(String.Join(",&q... Add solution -
Javascript 2022-03-03 23:15:28
nodejs array write to lines file
let arr = ["a", "b", "c", "d", "e", "f"]; console.log(arr); // [ 'a', 'b', 'c', 'd', 'e', 'f' ] console.log(arr.join('\n')); // a // b // c // d // e // f let text = arr.join('\n'); fs.writeF... Add solution -
Python 2022-03-03 06:30:02
shared list in multiprocessing python
import multiprocessing manager = multiprocessing.Manager() shared_list = manager.list() def worker1(l): l.append(1) def worker2(l): l.append(2) process1 = multiprocessing.Process( target=worker1, args=[shared_list]) process2 = multiprocessi... Add solution -
Other 2022-03-02 17:20:17
dplyr::lef_join
# "Mutating" joins combine variables from the LHS and RHS band_members %>% inner_join(band_instruments)#> Joining, by = "name"#> # A tibble: 2 x 3 #> name band plays #> <chr> <chr> <chr> #&g... Add solution -
Python 2022-03-02 15:00:12
split and join in python
>>> a = "this is a string" >>> a = a.split(" ") # a is converted to a list of strings. >>> print a ['this', 'is', 'a', 'string'] >>> a = "-".join(a) >>> print a this-is-a-string Add solution
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