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How to correct TypeError: Unicode-objects must be encoded before hashing?
...
import hashlib
string_to_hash = '123'
hash_object = hashlib.sha256(str(string_to_hash).encode('utf-8'))
print('Hash', hash_object.hexdigest())
share
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How to construct a REST API that takes an array of id's for the resources
...cate query parameters will be combined into an array. With the above query string, PHP happens to tell you that id equals [1, 2, 3], but Ruby on Rails tells you it equals 3, and other frameworks may also act differently, e.g. saying id equals 1. URLs like …?id=1,2,3 avoid this potential for confus...
Get JSF managed bean by name in any Servlet related class
...follows:
@SuppressWarnings("unchecked")
public static <T> T findBean(String beanName) {
FacesContext context = FacesContext.getCurrentInstance();
return (T) context.getApplication().evaluateExpressionGet(context, "#{" + beanName + "}", Object.class);
}
and can be used as follows:
Bean...
Launching Google Maps Directions via an intent on Android
...mments made here, hopefully it's helpful to others viewing this question.
String uri = String.format(Locale.ENGLISH, "http://maps.google.com/maps?saddr=%f,%f(%s)&daddr=%f,%f (%s)", sourceLatitude, sourceLongitude, "Home Sweet Home", destinationLatitude, destinationLongitude, "Where the party is...
What is the meaning of addToBackStack with null parameter?
... null parameter to addToBackStack?
It don't need to be null, it can be a string. If you don't want, just pass null.
public abstract FragmentTransaction addToBackStack (String name)
Added in API level 11
Add this transaction to the back stack. This means that the transaction will be r...
How to add ID property to Html.BeginForm() in asp.net mvc?
...
{
public static MvcForm BeginForm(this HtmlHelper htmlHelper, string formId)
{
return htmlHelper.BeginForm(null, null, FormMethod.Post, new { id = formId });
}
public static MvcForm BeginForm(this HtmlHelper htmlHelper, string formId, FormMethod meth...
How to change a field name in JSON using Jackson
...ed using @JsonProperty?
@Entity
public class City {
@id
Long id;
String name;
@JsonProperty("label")
public String getName() { return name; }
public void setName(String name){ this.name = name; }
@JsonProperty("value")
public Long getId() { return id; }
public void se...
What's wrong with overridable method calls in constructors?
...rate:
public class ConstructorCallsOverride {
public static void main(String[] args) {
abstract class Base {
Base() {
overrideMe();
}
abstract void overrideMe();
}
class Child extends Base {
final int x;...
Joining two lists together
If I have two lists of type string (or any other type), what is a quick way of joining the two lists?
15 Answers
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What is the difference between a static and a non-static initialization code block
...nside Static Initializer.");
// fruits array
ArrayList<String> fruits = new ArrayList<>();
fruits.add("Apple");
fruits.add("Orange");
fruits.add("Pear");
// print fruits
for (String fruit : fruits) {
System.out.println...