Android Studio and android.support.v4.app.Fragment: cannot resolve symbol

Android Studio and android.support.v4.app.Fragment: cannot resolve symbol

I am tryng out Android Studio instead of Eclipse. I install it and then start a completely new project and follow the wizard. I add no code of my own.Then, I right-click to create a new component, a new Fragment:and choose a new fragment:an

Get and update json using angular.js

Get and update json using angular.js

I am very new to angular.js and am having some trouble with a seemingly simple task.I need to get the json below from a json file on a website, then place the keys (english, spanish, etc.) inside label tags in my html file, then load their

Animate nav bar title text change

Animate nav bar title text change

In my app, I have a page view controller that allows the user to swipe between different "sections" of the app, and at the top in the nav bar I change the title text to the new section the user has swiped to via pageViewController:didFinish

Can I suspend redrawing of a form until I have performed all updates?

Can I suspend redrawing of a form until I have performed all updates?

Using C# and .Net 2.0, I'm using an irregularly shaped form (TransparencyKey, FormBorderStyle = None, etc...) and want to allow "normal" bordered mode. I change the back colour to default from LimeI change FormBorderStyle to FixedSingleI ch

Update a data frame in shiny server.R without restarting the App

Update a data frame in shiny server.R without restarting the App

Any ideas on how to update a data frame that shiny is using without stopping and restarting the application?I tried putting a load(file = "my_data_frame.RData", envir = .GlobalEnv) inside a reactive function but so far no luck. The data fra

What is the 'standard' content of .gitignore for an iPhone (Xcode) project?

What is the 'standard' content of .gitignore for an iPhone (Xcode) project?

What is considered the 'standard' content of .gitignore file for an iPhone (Xcode) project?PS: not sure if this needs to be a CW. 1:build/.DS_Store**/*.pbxuser*.mode2v3*.mode1v3**/*.perspectivev*This is a good start.updated with Dave's s

How to convert x,y coordinates to an angle?

How to convert x,y coordinates to an angle?

Microsoft provide an excellent SVG gradient maker so IE9 can also have "CSS3" gradients (click Custom).I currently utilise their logic for my Fireworks and Dreamweaver extensions to convert gradients to SVG, but I only know how to do it for

Spring Scheduler stops unexpectedly

Spring Scheduler stops unexpectedly

We have a Spring 3 web application on Tomcat 6 that uses several scheduled services via @Scheduled (mainly for jobs that run every night). Now it appears that sometimes (rarely, perhaps once in two months or so) the scheduler thread stops w

Check whether specific radio button is checked

Check whether specific radio button is checked

I'm having trouble after looking at the jQuery docs. I'm just trying to return true/false in one my my jquery methods depending on the check of a certain radiobutton and if it's selected or notI've tried several things but have not been ab

Multiple files upload with Rails 3 and paperclip on heroku

Multiple files upload with Rails 3 and paperclip on heroku

I need an interface on my Rails 3 app to upload multiple files to Amazon S3 (because i'm on heroku), possibly with progress bars.I've easily managed how to set up paperclip and upload single files, but i'm really lost now on how to go ahead

Postgresql socket error on OSX 10.7.3 when running Django's syncdb

Postgresql socket error on OSX 10.7.3 when running Django's syncdb

Since upgrading OSX to version 10.7.3, when I attempt to run a Django "syncdb" command, I receive the following psycopg2 error from Postgresql 8.4.2:psycopg2.OperationalError: could not connect to server: No such file or directory Is the

Pre-Populate a WTforms in flask, with data from a SQLAlchemy object

Pre-Populate a WTforms in flask, with data from a SQLAlchemy object

I am fairly new to flask framework and was creating an edit profile page for a webportal. I am stuck at a point and am unable to autofill a form.Here is my form class : class EditProfile(Form): username = TextField('Username', [Required(

How to create on-change directive for AngularJS?

How to create on-change directive for AngularJS?

Normally ng-model updates bound model each time user pushes the key:This works great in almost every case.But I need it to update when onchange event occurs instead when onkeyup/onkeydown event.In older versions of angular there was a ng-mo

Non-renewing Subscriptions: Removed From Receipt?

Non-renewing Subscriptions: Removed From Receipt?

I'm implementing in-app purchases for my app (to be released), and providing support for iOS6 and iOS7. My question has to do with differences between non-renewing subscription mechanisms across iOS6 and iOS7, and more specifically about ho

Implementing retry logic for deadlock exceptions

Implementing retry logic for deadlock exceptions

I've implemented a generic repository and was wondering if there is a smart way to implement a retry logic in case of a deadlock exception?The approach should be the same for all repository methods. So is there anyway I can avoid writing 't

Why to use sqlite Database in Android?

Why to use sqlite Database in Android?

Why do we use the sqlite data base in android.I am developing an android application where the data is to be fetched from the server and do some data calculation and show it on the UI.Is it good for me to fetch the data into the sqlite DB

Setting view value an input field in a unit test of an angular form directive

Setting view value an input field in a unit test of an angular form directive

I have a directive that builds a form:app.directive('config', function() { return { restrict: 'E', scope: { data: '=' }, template: '', controller: 'ConfigDirectiveController', };});What I want to do is validate via a u

How to open a jQuery Mobile Dialog from javascript?

How to open a jQuery Mobile Dialog from javascript?

I have a dialog page and am trying to open it and display results from an AJAX POST.Here is my jQuery success event:success: function(resp) { $("#dialog").dialog(); $("#text").html('SPAM and EGGS!')} M

Update single value in item array | react redux

Update single value in item array | react redux

I have a todo list and want to set the state of that item in the array to "complete" if the user clicks on "complete".Here is my action: export function completeTodo(id) { return { type: "COMPLETE_TASK", completed: true,

Pre-initializing a pool of worker threads to reuse connection objects (sockets)

Pre-initializing a pool of worker threads to reuse connection objects (sockets)

I need to build a pool of workers in Java where each worker has its own connected socket; when the worker thread runs, it uses the socket but keeps it open to reuse later. We decided on this approach because the overhead associated with cre

How to branch and merge in TFS

How to branch and merge in TFS

This question is a derivative of a previous question: How to version resources that are shared across projectsI have a project that contains code that is consumed by many other projects. Specifically, one folder in this parent project has

jQuery match multiple attributes

jQuery match multiple attributes

I have the following markup, and I want to make the All radio button checked. All New Removed UpdatedI'd like to match via attribute, but I need to match on 2 attributes, @name='Foo' and @value='All'.Something like this:$("input

What is the best way to handle FBOs in OpenGL?

What is the best way to handle FBOs in OpenGL?

I wonder since a long time what would be the best way to handle OpenGL FrameBuffer Objects (FBO).Switching FBOs can be costly but defining new attachments too.How do you do it fast ?I hesitate between these 3:1 FBO for everything, change at

Can font size of UILabel be changed with smooth animation on iPhone?

Can font size of UILabel be changed with smooth animation on iPhone?

I want a UILabel to swell slightly when selected like in some game menu screens. To get smooth resizing I presume I should put some change to the label's properties in an animation block.The obvious thing to try is to change the label.font.

Why is this simple AngularJS ng-show not working?

Why is this simple AngularJS ng-show not working?

I cannot figure out why my simple AngularJS app not working as intended. "Loading..." is supposed to be hidden, and "Done!" should be shown after 1 second.html: Loading... Done! Javas