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Kotlin secondary constructor
...1. (solves your case) Define a factory method next to your class
fun C(s: String) = C(s.length)
class C(a: Int) { ... }
usage:
val c1 = C(1) // constructor
val c2 = C("str") // factory method
Technique 2. (may also be useful) Define default values for parameters
class C(name: String? = null) ...
String to LocalDate
How can i convert a string to a LocalDate ?
5 Answers
5
...
Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...ue, stdout=subprocess.PIPE).communicate()[0])
As for the b preceding the string it indicates that it is a byte sequence which is equivalent to a normal string in Python 2.6+
http://docs.python.org/3/reference/lexical_analysis.html#literals
...
Why git can't remember my passphrase under Windows
...
One extra solution 5 years, 8 months and 6 days after the question was posted wouldn't be a bad idea so here goes.
NOTE: Assumes you are using a windows computer.
Download the git-credential-winstore.
Run it! If you have GIT i...
How do I copy items from list to list without foreach?
...
For a list of elements
List<string> lstTest = new List<string>();
lstTest.Add("test1");
lstTest.Add("test2");
lstTest.Add("test3");
lstTest.Add("test4");
lstTest.Add("test5");
lstTest.Add("test6");
If you want to copy all the elements
List&...
Favorite Visual Studio keyboard shortcuts [closed]
...and keeps you in search mode (which means you can add or change the search string). The search box is for suckers!
– Aardvark
Oct 4 '08 at 19:59
9
...
Check if a folder exist in a directory and create them using C#
...
This should help:
using System.IO;
...
string path = @"C:\MP_Upload";
if(!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
share
|
improve this a...
Android: upgrading DB version and adding new table
...ldVersion, int newVersion) {
switch (oldVersion) {
case 1:
String sql = "ALTER TABLE " + TABLE_SECRET + " ADD COLUMN " + "name_of_column_to_be_added" + " INTEGER";
db.execSQL(sql);
break;
case 2:
String sql = "SOME_QUERY";
db.execSQL(sql);
...
How can you integrate a custom file browser/uploader with CKEditor?
...ard alert dialog, such as "illegal file" or something. Set url to an empty string if the third parameter is an error message.
CKEditor's "upload" tab will submit a file in the field "upload" - in PHP, that goes to $_FILES['upload']. What CKEditor wants your server to output is a complete JavaScript...
Spring Boot - inject map from application.yml
...ionProperties
public class MapBindingSample {
public static void main(String[] args) throws Exception {
System.out.println(SpringApplication.run(MapBindingSample.class, args)
.getBean(Test.class).getInfo());
}
@Bean
@ConfigurationProperties
public Test t...