Python multiprocessing load balancer

Short question: Is it possible to have N work processes and a balancer process that will find worker that does nothing at this time and pass UnitOfWork to it? Long question: Imagine class like...

What could cause global Tomcat/JVM slowdown?

I'm experiencing a strange but severe problem running several (about 15) instances of a Java EE-ish web applications (Hibernate 4+Spring+Quartz+JSF+Facelets+Richfaces) on Tomcat 7/Java 7. The...

Bittorrent implementation in java && need some info on swarm behaviour

I'm developing a bitTorrent client in Java. I know there are a lot of libraries out there, online, but I can't help it; I want my own. Anyway, I noticed some weird behaviors and maybe you guys...

iOS app runtime crash only in iOS 6 release but runs fine with iOS 6 debug and iOS 7 debug and release

The error log is: dyld: lazy symbol binding failed: Symbol not found: ___sincos_stret Referenced from: /var/mobile/Applications/A40285D5-6B3E-4DE1-8B75-A1D5841A0/*.app/* Expected in:...

Can ES6 template literals be substituted at runtime (or reused)?

tl;dr: Is it possible to make a reusable template literal? I've been trying to use template literals but I guess I just don't get it and now I'm getting frustrated. I mean, I think I get it, but...

Proper way to mark up HTML to allow for right click "open in a new tab" option in context menu

I have searched around but no question seems to address this concern. I have the following markup: <li> <div class="box-brochure-slide"...

Can't Share Tweet containing quote & author (FCC Random Quote Machine)

jQuery on click function to tweet current quote doesn't want to work. I have to build random quote machine and tweet current quote for Free Code Camp. I can generate a new quote but I am not able...

adapter pattern : support underlying data that can be const or non-const, elegantly

How to make an adapter class to support both const and non-const underlying data appropriately? Concrete Example RigidBody is a class describing physic property of object. Here is its very...

iOS lazy var UIBarButtonItem target issue

I found this UIBarButtonItem target issue unconsciously when using lazy var initialization. class ViewController: UIViewController { lazy var barButtonItem1 =...

How do I handle multiple calls in one thunk function?

I don’t know if everybody has read this: https://medium.com/@stowball/a-dummys-guide-to-redux-and-thunk-in-react-d8904a7005d3?source=linkShare-36723b3116b2-1502668727 but it basically teaches...

Using an obervable in Angular4 to use both for "initial request" and "subsequent updates"

Background I feel like this is a very basic question, but I keep wondering if I'm missing something basic. Here is the scenario. On page load, I do an http request to load the initial model. I...

primefaces schedule crazy lazy load parameters

I'm using the primefaces schedule component to create a schedule where the timezone is fixed to UTC. So, event times should appear in UTC no matter where the client browser happens to be, and no...

Unable to open ModalController with lazy loading ionic3

I'm implementing lazy loading in my ionic 3/angular5 app in order to boost performance. But I'm unable to open a modal using it and it drives me crazy. I have a page (Journal in red) where I load...

some uwsgi processes do not reload django application (ansible, nginx, supervisor, uwsgi, django)

Situation: I would like to deploy our Django project's code changes to the stage or production server. For this we have an ansible deployment script, that pulls the django project's code from...

How to pre-process rdd elements on driver machine and transform ready elements on executors concurrently

I have a Spark application with logic flow as below: val conf = new SparkConf() val sc = new SparkContext(conf) val begin = 1 val end = 100 val arr = begin.until(end).toArray val obj_arr = for(e...

Solve all 2d string vector combinations without using recursion? (C++ )

The problem is: Create a function that computes all combinations of an array of arrays of strings, e.g.: { { "red", "wooden", "gate" }, { "lazy", "little", "man" }, { "what", "where", "who", "why"...

unity member modifier public must precede

I already about fixed this issue, but right when things got crazier I realized how stupid it was to try and accomplish this since it clearly in the end has no benefit.## ##Feel free to look over...

Dynamic Components and Lazy Loading, can Angular Elements help me?

I am using Dynamic Components and I am re-writing this to try to better explain. AppModule My App Module contains an entryComponents array which contains these 2...

Why does looping over a large amount of data in another thread cause an overactive GC, and prevent some data from being freed?

I'm writing code that takes some lazy results produced by pmap, and draws them onto a BufferedImage. For three days now I've been trying to figure out why the drawing suddenly starts freezing and...

Forcing Postgresql to use Merge Append

Say I have the following tables and indices: create table inbound_messages(id int, user_id int, received_at timestamp); create table outbound_messages(id int, user_id int, sent_at timestamp); ...

Rollup with React vendor splitting

I'm experimenting with using Rollup as a React toolset. I've got a working prototype when I can use lazy loading in react. I'm just working with just ES6 Modules, I'll integrate SystemJS for older...

Lazy Loading Angular / Ionic 3 Component AOT "is not a known element: Error"

This is driving me crazy, hopefully someone can shed some light on the problem. I am Lazy loading my Ionic components everything works fine in development, however when I go to compile AOT throws...

How to fix the "LazyInitializationException" I'm encountering?

Hope you'll be able to help me stop hitting my head against a wall. Here's my problem, after plenty days of research on many forums, I didn't found any compatible answer with the problem I'm...

Why does my lazy filtered list in scheme consume so much memory?

I'm currently learning to use some slightly more advanced features of scheme, and I've hit a road-block with lazy lists. Basically, I'm trying to create an infinite, lazily generated list, and...

FutureBuilder is not working when i use timer

These are my two different methods. The method getCommunitiesList is working, it will show circleProgressBar and then the result. The function getCommunitiesList_old is not working it is still...

Flutter's puzzling stream behaviour: setState called but not rebuilding widget tree

Trying to grasp the usage of streams in Flutter, I followed the interesting example found here https://github.com/tensor-programming/flutter_streams, which shows how to get data from an http call,...

Widget constantly reloads on device screen

I am using widget with CoreData and iCloud. They share the same App Group container. Everything works fine for a little, but spontaneously widget starts constantly reload and block itself on the...

Copy decimal into byte array without allocations

The Dream I'm looking for a way to copy a decimal value into a byte array buffer and then be able to read those bytes back into a decimal without any heap allocations. Ideally this wouldn't...

Blazor proj from scratch+nuget: "There was no runtime pack for Microsoft.AspNetCore.App available for the specified RuntimeIdentifier 'browser-wasm'"

[Final update 07.12.2020 23:50 --> for everyone seeking for the anwser] You are probably adding some nuget package which has in fields DEPENDENCIES .NET Core 3.1. For example Serilog.AspNetCore...

Numpy vs Eigen vs Xtensor Linear Algebra Benchmark Oddity

I recently was trying to compare different python and C++ matrix libraries against each other for their linear algebra performance in order to see which one(s) to use in an upcoming project. ...