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How can I wait for a thread to finish with .NET?
...from .NET 4 this sample can help you:
class Program
{
static void Main(string[] args)
{
Task task1 = Task.Factory.StartNew(() => doStuff());
Task task2 = Task.Factory.StartNew(() => doStuff());
Task task3 = Task.Factory.StartNew(() => doStuff());
Task...
Interfaces with static fields in java for sharing 'constants'
...ittenConstants
{
private KittenConstants() {}
public static final String KITTEN_SOUND = "meow";
public static final double KITTEN_CUTENESS_FACTOR = 1;
}
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Create tap-able “links” in the NSAttributedString of a UILabel?
...st one is easy. Starting from iOS 6 UILabel supports display of attributed strings. All you need to do is to create and configure an instance of NSMutableAttributedString:
NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:@"String with a link" attribute...
Label encoding across multiple columns in scikit-learn
...ing to use scikit-learn's LabelEncoder to encode a pandas DataFrame of string labels. As the dataframe has many (50+) columns, I want to avoid creating a LabelEncoder object for each column; I'd rather just have one big LabelEncoder objects that works across all my columns of data.
...
Javascript - removing undefined fields from an object [duplicate]
...
To remove undefined props in an object we use like this
JSON.parse(JSON.stringify(obj));
Output: {a: 1, c: 3}
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Extract substring in Bash
...ut -d'_' -f 2
More generic:
INPUT='someletters_12345_moreleters.ext'
SUBSTRING=$(echo $INPUT| cut -d'_' -f 2)
echo $SUBSTRING
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Getters \ setters for dummies
...s when a property is accessed, like keeping numbers in range, reformatting strings, triggering value-has-changed events, updating relational data, providing access to private properties, and more.
The examples below show the basic syntax, though they simply get and set the internal object value wit...
How to redirect cin and cout to files?
...rks fine.
#include <iostream>
#include <fstream>
#include <string>
void f()
{
std::string line;
while(std::getline(std::cin, line)) //input from the file in.txt
{
std::cout << line << "\n"; //output to the file out.txt
}
}
int main()
{
s...
Using switch statement with a range of value in each case?
... ternary operators.
public class Solution {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int num = Integer.parseInt(sc.nextLine());
switch ((1 <= num && num <= 5 ) ? 0 :
(6 <= num && num <= 1...
Scala equivalent of Java java.lang.Class Object
...:
scala> "foo".getClass
res0: java.lang.Class[_ <: java.lang.String] = class java.lang.String
)
Back in 2009:
It would be useful if Scala were to treat the return from getClass() as a java.lang.Class[T] forSome { val T : C } where C is something like the erasure of the static type of...