Why is WeakReference to a WeakRef object not recovered?

While trying out some examples with WeakReferences,I just came across the below scenario. I am creating a hashmap and filled it with a weak reference on Employee object.Now I have two strong references, employee & weakReference . I have made both to

Pool Billiards AI

Im implementing a pool billiard game in Java and it all works fine. It is a multiplayer game, but nevertheless, it should also be possible to play it alone. For this purpose I'm trying to implement a simple KI. At the moment, the KI choose just rando

Groovy ArrayList merges for a channel

I am seeing some confusing behavior from this code. def fileArrayMeta = newFile.readLines() def file3 = fileArrayMeta.collect{ line -> line.split("\\s+") } println file3[0] println file3[0].getClass() The expected result of this operation sho

Why & lt; A & gt; Is there a form type submission?

I'm simply curious, as to why HTML has an anchor tag used to preform GET requests specifically without ability to change HTTP request type, or otherwise why not use the form submission convention, as we may have the possibility of get-variables anywa

Angular $ uibmodal resolve with synchronization

I have a service that gets data from a server. After retrieving data successfully, I would pass to a $uimodal in a directive. My code is described below Problem is when I run my app first time, console log shows consequence like debug sizeList outsid

Changing the size of the check box with CSS

This question already has an answer here: Checkbox size in HTML/CSS 10 answers How can I change check box sizes (globaly) without class and id? Is it possible to do this in a way different from: input[type=checkbox] { zoom: 1.5; } input fields can be

Order the tableview cell by subtitle

i'm getting the distance of 2 points like this [userLocation distanceFromLocation: annotationLocation] / 1000; and setting this to the subtitle of a tableview like the image bellow screenshot http://i41.tinypic.com/ruxv74.png the question is, can i o

Follow user on my site

I Know that this might be a very silly question to ask, but please keep in mind that this is my first project in web development and programming I'm designing a CV maker website I've done this interface using the help of a predefined template: and on

MySQL Cache Subset Queries

I am attempting to make a query run on a large database in acceptable time. I'm looking at optimizing the query itself (e.g. Clarification of join order for creation of temporary tables), which took me from not being able to complete the query at all

preg_match_all [200932]

I want to preg_match [200932] this from a string. I tryied some pattern but didnt help, any idea?Your question is very vague but I think you probably forgot to escape the square brackets. They denote a character class in RegEx. preg_match('/\[200932\

Integration of ASP.NET and ASP NET MVC applications

I have two applications. One of them using asp.net 2.0. The second is written using asp.net mvc 3. Objective is to integrate these applications. Data exchange between applications is not a problem and it works perfect. Problem is to make two sites to

100% height div between header and footer

I am trying to create a webpage layout with a header/footer (100% width, 145px height), a 'main area' between the header/footer (100% width, dynamic height), and a container around the content that is a unique background color (860px width, dynamic h

How to Recall a List Using Shared Preferences

I have managed to reload the list item in a list when the activity call's it's onStop() method. Here I want to store what's generated by pressing a button. If you have read my previous few posts you will know what's happening but this is a different

Linaro ARM toolchain binaries pre-built in 64-bit OS

I have an Ubuntu 14.04 Trusty 64 bit machine. My OS and kernel are all 64 bit uname -a Linux --- 3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux I downloaded the pre-built tool-chain binaries from Linaro as

What is the maximum size of the texture (Andengine)

What is maximum size of texture that should be used in andengine. I used this.diamondTexture = new Texture(2048, 512, TextureOptions.BILINEAR_PREMULTIPLYALPHA); When loading in device(HTC G1 T-Mobile) it shows blank screen. After reducing the image s

php generates json array then javascript the poster

i am working with JSON to send data to and from my server , but normally i work with sending one data at a time , now i want to : retrieve all the rows from a table (mysql database) --> php put it in a JSON array + callback ---> javascript retrives

How to set the size of the Libgdx bitmap font?

I'm rendering on screen the game fps using bitmap font but there are no methods for the size. This is a problem for me because my camera viewport size is very small so the text when rendered is huge and pixelated. font.draw(batch, Float.toString(Gdx.

Viewing Tomorrow's Name (ie Monday)

Is there a simple way to display the name of the day of the week of tomorrow? So far I have been able to do this in PHP (See below) and for today in Javascript but I am having trouble with tomorrow? Javascript for Today var days = ["Sunday", &qu

Same view in several tabs

My app has a UITabBar with four tabs... each with its own custom UIViewController. Three of them have a map plus other UI elements in common, in the same place on the screen.. in two of these views the map is initially hidden. It seems like it would

angularjs makes a simple countdown

I would like make a countDown with Angular js. this is my code: Html File <div ng-app ng-controller = "countController"> {{countDown}} <div>​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

GWT Datagrid does not show the data, but contains it

I'm trying to convert a cellTable into adatagrid, because I want to add a search handler later and therefor I need fixed column headers. At the moment I extend the celltable/datagrid class and put the widget into a simplelayoutpanel and add this to m