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E731 do not assign a lambda expression, use a def
...o:
f = lambda x: 2*x
The first form means that the name of the resulting
function object is specifically 'f' instead of the generic '<lambda>'.
This is more useful for tracebacks and string representations in
general. The use of the assignment statement eliminates the sole
bene...
In Angular, I need to search objects in an array
...kout the jsFiddle ;)
http://jsfiddle.net/migontech/gbW8Z/5/
Created a filter that you also can use in 'ng-repeat'
app.filter('getById', function() {
return function(input, id) {
var i=0, len=input.length;
for (; i<len; i++) {
if (+input[i].id == +id) {
return input[i];...
What is the difference between a URI, a URL and a URN?
... Is "earth128:Edward-de-Leau/6000000000569063853" (the unique me over multiple multiverse) a URN, a URL or a URI?
– edelwater
Sep 20 '14 at 3:06
7
...
What does “Object reference not set to an instance of an object” mean? [duplicate]
...erit from System.ValueType). Boolean variables, when declared, have a default value:
bool mybool;
//mybool == false
Reference types, when declared, do not have a default value:
class ExampleClass
{
}
ExampleClass exampleClass; //== null
If you try to access a member of a class instance using ...
Looping through localStorage in HTML5 and JavaScript
...on-defined but constant until you add or remove keys).
for (var i = 0; i < localStorage.length; i++){
$('body').append(localStorage.getItem(localStorage.key(i)));
}
If the order matters, you could store a JSON-serialized array:
localStorage.setItem("words", JSON.stringify(["Lorem", "Ipsum...
What does O(log n) mean exactly?
...t the end of the phone number. Take some white-out and remove each zero." <-- this is not order N squared. N is defined as the size of the input. The size of the input is the number of phone numbers, which is the number of numbers per book times the number of books. That's still a linear time ope...
Do fragments really need an empty constructor?
I have a Fragment with a constructor that takes multiple arguments. My app worked fine during development, but in production my users sometimes see this crash:
...
How to delete a whole folder and content?
...Directory())
{
String[] children = dir.list();
for (int i = 0; i < children.length; i++)
{
new File(dir, children[i]).delete();
}
}
share
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Domain Driven Design: Domain Service, Application Service
... as getUsers() would be an application service??
– filthy_wizard
Oct 11 '16 at 11:07
...
How can bcrypt have built-in salts?
...
This is bcrypt:
Generate a random salt. A "cost" factor has been pre-configured. Collect a password.
Derive an encryption key from the password using the salt and cost factor. Use it to encrypt a well-known string. Store the cost, salt, and cipher text. Becaus...