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For loop for HTMLCollection elements
...bed above.
Update for ES6 in 2015
Added to ES6 is Array.from() that will convert an array-like structure to an actual array. That allows one to enumerate a list directly like this:
"use strict";
Array.from(document.getElementsByClassName("events")).forEach(function(item) {
console.log(item.i...
decimal vs double! - Which one should I use and when? [duplicate]
... some base 10 numbers are corrupted because they are an infinite series if converted to a base 2 exp, in binary float math 0.1 * 0.1 != 0.01 because 0.1 cannot be represented exactly. Math operations also lead to drift - add and subtract with dollars and cents and you can get numbers like 0.99999999...
How can I generate an ObjectId with mongoose?
...nerate a new new ObjectId
const newId2 = new mongoose.Types.ObjectId();
// Convert string to ObjectId
const newId = new mongoose.Types.ObjectId('56cb91bdc3464f14678934ca');
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What does the 'static' keyword do in a class?
...n the example given, main does not know which instance of the Hello class (and therefore which instance of the Clock class) it should refer to. static members can only refer to static members. Instance members can, of course access static members.
Side note: Of course, static members can access ins...
ViewModel Best Practices
... called ViewModels in my MVC Web project. I name them after the controller and action (or view) they represent. So if I need to pass data to the SignUp view on the Membership controller I create a MembershipSignUpViewModel.cs class and put it in the ViewModels folder.
Then I add the necessary prope...
java.lang.IllegalArgumentException: View not attached to window manager
I have an activity that starts AsyncTask and shows progress dialog for the duration of operation. The activity is declared NOT be recreated by rotation or keyboard slide.
...
Fragment Inside Fragment
...ing a problem on pressing back button. Application Main screen
has buttons and pressing on each button view replace with new
fragment(and that fragment contain inside another fragment),
dynamically adding/replacing fragment is working fine, by pressing
button1 fragment replaced, same happens when pr...
Hibernate Criteria returns children multiple times with FetchType.EAGER
I have an Order class that has a list of OrderTransactions and I mapped it with a one-to-many Hibernate mapping like so:
...
Java 8 method references: provide a Supplier capable of supplying a parameterized result
...hrow. Otherwise you will get an error message like MyException cannot be converted to java.lang.RuntimeException
Update:- This was an issue with an older version of JDK. I don't see this issue with the latest versions.
...
What does the constant 0.0039215689 represent?
...
This multiplication by 0.0039215689f converts an integer valued color intensity in the range 0 to 255 to a real valued color intensity in the range 0 to 1.
As Ilmari Karonen points out, even if this is an optimisation it's a rather badly expressed one. It would...