Once for all, how to correctly save instance state of Fragments in back stack?

Once for all, how to correctly save instance state of Fragments in back stack?

I have found many instances of a similar question on SO but no answer unfortunately meets my requirements.I have different layouts for portrait and landscape and I am using back stack, which both prevents me from using setRetainState() and

generate days from date range

generate days from date range

I would like to run a query likeselect ... as days where `date` is between '2010-01-20' and '2010-01-24'And return data like: days----------2010-01-202010-01-212010-01-222010-01-232010-01-24 1:This solution uses no loops, procedures, or

How do you do polymorphism in Ruby?

How do you do polymorphism in Ruby?

In C#, I can do this:class Program{ static void Main(string[] args) { List animals = new List(); animals.Add(new Dog()); animals.Add(new Cat()); foreach (Animal a in animals) {

A more elegant way of escaping dynamic SQL?

A more elegant way of escaping dynamic SQL?

OK, so I've got this line of code in a search stored procedure:SET @where = 'job_code = ''' + REPLACE(@job_code, '''', '''''') + ''''and there are basically two operations I'd like to streamline -the first being surrounding the concate

Missing makecert.exe

Missing makecert.exe

For some reason I am missing makecert.exe on my system. I searched the whole hard drive and it's not there. In particular, it's not in C:\Program Files\Microsoft SDKs\Windows\v6.0A\bin where I believe it's supposed to be. I haven't found an

super respondsToSelector: returns true but actually calling super (selector) gives “unrecognized sel

super respondsToSelector: returns true but actually calling super (selector) gives “unrecognized sel

OK, I am a little confused.I have a subclass of UIScrollView, which is my attempt at a horizontally scrolling "table view" like UI element. UIScrollView itself sets up UIGestureRecognizers it uses internally, and it appears to set itself u

how to generate Html.ActionLink with icon

how to generate Html.ActionLink with icon

I'm starting to learn ASP.NET MVC, and have a problem, how generate code with Html.ActionLink like this: Create please. 1:Html.ActionLink() only supports plain-text links.You should use for more-complex lin

What are the good Scala IDEs at the start of 2010?

What are the good Scala IDEs at the start of 2010?

I know this is an exact duplicate, but a year has gone by and Scala seems to be a fast moving thing, so I figure it might be acceptable to ask again:What is the best IDE for Scala development right now? 1:I know the Eclipse plugin is a w

Response.Redirect results in “Object moved to here”

Response.Redirect results in “Object moved to here”

I'm working on a C# ASP.NET page that normally ends up redirecting to a "file:" URL. This seems to work fine the majority of the time, in the majority of circumstances, but occasionally (and, on my test system, apparently always) instead of

Is there a way to create a folder-specific readme file in github?

Is there a way to create a folder-specific readme file in github?

Github parses and displays a readme.txt or readme.md file at the root of the repository.I would like to create a similar readme file for a particular folder. Is there a way to accomplish this?One ugly hack I thought of was to name the file

Drag and drop images in gridview in android

Drag and drop images in gridview in android

I'am developing a sample android application to learn about drag & drop in android. On start of the app, i'am displaying few images on a grid view. Now i need to drag one image at a time over to the place of another. After dropping an imag

JSON to PHP Associative array

JSON to PHP Associative array

would any of you know a good way to put this into an associative array . I have tried json_decode but found it to not be much help.This is the data i need to put into an associative array: { "data": [ { "name":

Finding all subsets of a multiset

Finding all subsets of a multiset

Suppose I have a bag which contains 6 balls (3 white and 3 black). I want to find all possible subsets of a given length, disregarding the order. In the case above, there are only 4 combinations of 3 balls I can draw from the bag:2 white an

Array interpolation

Array interpolation

Before I start, please accept my apologies that I'm not a mathematician and don't really know the proper names for what I'm trying to do... ;) Pointers to any plain-English explanations that might help would be most appreciated (as I'm pure

Bootstrap: Aligning two buttons on the same row

Bootstrap: Aligning two buttons on the same row

Basically what I'm attempting to do it to get two buttons on the opposite side of the website but on the same row. Here's what it looks like: And here's the code for what I have:

Android textAllCaps in Theme

Android textAllCaps in Theme

I have a theme where on wanted all textviews on activities to be capitalized. So I set textAllCaps in a style and then applied it to textViewStyle in my theme like the below ?android:attr/textAppearanceSmall true @style/Widget.Apex.Text

Creating a dateRange Scala, Joda, Java

Creating a dateRange Scala, Joda, Java

I have spent hours trying to make this next piece of code work.import org.joda.time.{DateTime, Period}def dateRange(from: DateTime, to: DateTime, step: Period): Iterator[DateTime] =Iterator.iterate(from)(_.plus(step)).takeWhile(!_.isAf

'System.Web.Webpages.Html.Htmlhelper' does not contain a definition for 'Sitecore

'System.Web.Webpages.Html.Htmlhelper' does not contain a definition for 'Sitecore

I'm getting this error in Visual Studio, when I use @Html.Sitecore: 'System.Web.Webpages.Html.Htmlhelper' does not contain a definition for 'Sitecore' and the best extension methods overload 'Sitecore.Mvc.HtmlHelperExtensions.Sitecore(Syst

Rolling Mean on pandas on a specific column

Rolling Mean on pandas on a specific column

I have a data frame like this which is imported from a CSV. stock popDate2016-01-04 325.316 822016-01-11 320.036 832016-01-18 299.169 792016-01-25 296.579 842016-02-01 295.334 822016-02-08 309.777 812016-02-1

Angular UI Grid click row

Angular UI Grid click row

I have a list of items in an Angular UI Grid. When I click a row, I want to be taken to a different page. (In other words, each row in the grid will be a link.)I imagine this must be a very common desire, although I haven't really seen any

OpenCV Stitcher Class with Overlapping Stationary Cameras

OpenCV Stitcher Class with Overlapping Stationary Cameras

I'm trying to use the OpenCV stitcher class to stitch multiple frames from a stereo setup, in which neither camera moves. I'm getting poor stitching results when running across multiple frames. I've tried a few different ways, which I'll tr

Abstract class as functional interface

Abstract class as functional interface

In java 8, an abstract class with only one abstract method is not a functional interface (JSR 335).This interface is a functional interface:public interface MyFunctionalInterface { public abstract void myAbstractMethod(); public defau

How to determine whether a character is a letter in Java?

How to determine whether a character is a letter in Java?

How do you check if a one-character String is a letter - including any letters with accents?I had to work this out recently, so I'll answer it myself, after the recent VB6 question reminded me. 1:Character.isLetter() is much faster than

Testflight: Cannot upload build, cannot download SDK

Testflight: Cannot upload build, cannot download SDK

I'm having difficulties with TestFlight today. I've tried to upload ipa for the new app but getting this error: Sorry, we are no longer accepting any new builds that use the TestFlight SDK. Please remove the SDK and re-upload. Learn More.L

.htaccess php_value auto_prepend_file makes 500 error. How can I fix this?

.htaccess php_value auto_prepend_file makes 500 error. How can I fix this?

My .htaccess is as follows:Options +FollowSymLinksRewriteEngine OnRewriteBase /schoolRewriteRule ^([a-zA-Z0-9]+)/$ index.php?page=$1RewriteRule ^([a-zA-Z0-9]+)$ index.php?page=$1php_value auto_prepend_file ./inc/library.phpErrorDocument 404