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Avoiding memory leaks with Scalaz 7 zipWithIndex/group enumeratees
...ess1.chunk(4)
pipe process1.fold(0L) {
(c, vs) => c + vs.map(_._1.length.toLong).sum
}).runLast.run
This should work with any value for the n parameter (provided you're willing to wait long enough) -- I tested with 2^14 32MiB arrays (i.e., a total of half a TiB of memory allocated ...
.NET WebAPI Serialization k_BackingField Nastiness
...ializable]
[DataContract]
public class Error
{
[DataMember]
public string Status { get; set; }
[DataMember]
public string Message { get; set; }
[DataMember]
public string ErrorReferenceCode { get; set; }
[DataMember]
public List<FriendlyError> Errors { get; set;...
How do I set environment variables from Java?
...r out a method
void setUpEnvironment(ProcessBuilder builder) {
Map<String, String> env = builder.environment();
// blah blah
}
and pass any ProcessBuilders through it before starting them.
Also, you probably already know this, but you can start more than one process with the same P...
Was PreferenceFragment intentionally excluded from the compatibility package?
...cated methods are deprecated as of Android 3.0. They are perfectly fine on all versions of Android, but the direction is to use PreferenceFragment on Android 3.0 and higher.
Can anyone tell me whether this was intentional?
My guess is it's a question of engineering time, but that's just a gue...
Cell spacing in UICollectionView
...
This is a much better answer. Take a look at the callbacks you can adjust in the UICollectionViewDelegateFlowLayout and you can see how this can be tweaked.
– cynistersix
Dec 17 '14 at 2:52
...
Why are global variables evil? [closed]
...rtant thing) changes there affect the entire interpreter. It is not like a string that you create instances... is like modifying all the string instances. Monkey patching smell.
– graffic
Mar 21 '14 at 6:18
...
In C#, how do I calculate someone's age based on a DateTime type birthday?
...Drop the last 4 digits = 28.
C# Code:
int now = int.Parse(DateTime.Now.ToString("yyyyMMdd"));
int dob = int.Parse(dateOfBirth.ToString("yyyyMMdd"));
int age = (now - dob) / 10000;
Or alternatively without all the type conversion in the form of an extension method. Error checking omitted:
public...
Serializing to JSON in jQuery [duplicate]
...
JSON-js - JSON in JavaScript.
To convert an object to a string, use JSON.stringify:
var json_text = JSON.stringify(your_object, null, 2);
To convert a JSON string to object, use JSON.parse:
var your_object = JSON.parse(json_text);
It was recently recommended by John Resig:
...
Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent
...
Thank you! I was initialising my List as List<String> list = new ArrayList<>();. Changing it to List<String> list = null; fixed the problem :)
– Radical
Feb 28 '18 at 8:45
...
How to find index of list item in Swift?
...B = arr.indexOf("b") // 1
let indexOfD = arr.indexOf("d") // nil
Additionally, finding the first element in an array fulfilling a predicate is supported by another extension of CollectionType:
let arr2 = [1,2,3,4,5,6,7,8,9,10]
let indexOfFirstGreaterThanFive = arr2.indexOf({$0 > 5}) // 5
let i...