How to refresh Android listview?

How to refresh Android listview?

How to refresh an Android ListView after adding/deleting dynamic data? 1:Call notifyDataSetChanged() on your Adapter object once you've modified the data in that adapter. Some additional specifics on how/when to call notifyDataSetChanged

How do I round a decimal value to 2 decimal places (for output on a page)

How do I round a decimal value to 2 decimal places (for output on a page)

When displaying the value of a decimal currently with .ToString(), it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 decimal places. Do I use a variation of .ToStr

Why does parseInt yield NaN with Array#map?

Why does parseInt yield NaN with Array#map?

From the Mozilla Developer Network:[1,4,9].map(Math.sqrt)will yield:[1,2,3]Why then does this:['1','2','3'].map(parseInt)yield this:[1, NaN, NaN]I have tested in Firefox 3.0.1 and Chrome 0.3 and just as a disclaimer, I know this is not cros

Java EE web development, where do I start and what skills do I need? [closed]

Java EE web development, where do I start and what skills do I need? [closed]

I want to learn, at least at a basic level, how to build Java web applications (coming from a .NET background). I would like to be able to build, deploy a simple CMS type application from the ground up.What exactly do I need to learn?Tomcat

Best way to remove an event handler in jQuery?

Best way to remove an event handler in jQuery?

I have an input type="image". This acts like the cell notes in Microsoft Excel. If someone enters a number into the text box that this input-image is paired with, I setup an event handler for the input-image. Then when the user clicks the i

How to navigate in JSF? How to make URL reflect current page (and not previous one)

How to navigate in JSF? How to make URL reflect current page (and not previous one)

I am currently learning JSF and was rather amazed and puzzled when I realized that whenever we use , the standard behavior of JSF is to always show me the URL of the previous page in the browser, as opposed to the URL of the current

Quickly reading very large tables as dataframes in R

Quickly reading very large tables as dataframes in R

I have very large tables (30 million rows) that I would like to load as a dataframes in R. read.table() has a lot of convenient features, but it seems like there is a lot of logic in the implementation that would slow things down. In my c

What is the difference between re.search and re.match?

What is the difference between re.search and re.match?

What is the difference between the search() and match() functions in the Python re module?I've read the documentation (current documentation), but I never seem to remember it. I keep having to look it up and re-learn it. I'm hoping that s

Changing the order of maven plugin execution

Changing the order of maven plugin execution

Hi I am very new to maven. I would like to change the order of maven plug-in execution.In my pom.xml I have maven-assembly plug-in and maven ant plug-in .I used maven assembly plug-in for creating zip file and maven ant plug-in for copying

Authentication and privileges on Relay/GraphQL

Authentication and privileges on Relay/GraphQL

Facebook does not mention authentication for their GraphQL library.Suppose I have a users table fetchable from GraphQL and I do not wish to disclose users information to anybody who demands it except the logged in user, at what level should

AngularJS set button text based on condition in ng-repeat

AngularJS set button text based on condition in ng-repeat

I'm trying to learn Angular by converting a piece of working jQuery/AJAX code. It's an activity viewer inside a table that basically displays a message with a button to 'Mark Read' or 'Mark Unread' based on the condition. I'm having trouble

mysqli_free_result necessary?

mysqli_free_result necessary?

I was looking through my code and read that it was recommened to use mysqli_free_result when your result object is not needed anymore. But after seeing that each query is outputed to the $result variable repeatedly throughout the script, I

SQL Server 2008 - HashBytes computed column

SQL Server 2008 - HashBytes computed column

I'm using SQL Server 2008.I have a NVARCHAR(MAX) column called Title and i want to add an unique index for it.Because the column is bigger than 900bytes , I decided to create a HashBytes computed column (based on recommendation on StackOve

Keep x number of files and delete all others - Powershell

Keep x number of files and delete all others - Powershell

I am trying to write a script that will look through a set of folders and keep only the last 10 files. The files in each folder could be created daily, weekly or monthly. I need the script to keep the 10 most recent copies regardless of the

Is there a public Google API to access reminders set in Google Now or Google Keep?

Is there a public Google API to access reminders set in Google Now or Google Keep?

The time and location-based reminders in Google Now and Google Keep are different from Google Calendar event reminders. Is there a public API to access these event reminders in Now and Keep? 1:There's no public API for either of these Go

Spring Boot and @ComponentScan between two jars

Spring Boot and @ComponentScan between two jars

I have 2 projects.One is a DAL project that does CRUD operations on a neo4j DB using spring neo4j APIs . This project is packaged as a jar and included in project #2.Project #2 Is a Spring restful services project that uses spring boot to p

Dotless failing to compile ; in Bootstrap 3 less source

Dotless failing to compile ; in Bootstrap 3 less source

I use dotless 1.3.1.0 compiling less-files. This worked fine with bootstrap 2.x, but after switching to bootstrap 3.0.0 (downloaded the source from here: http://getbootstrap.com/getting-started/), I suddenly get this error: Expected ')' bu

How about Haskell's GC performance for soft realtime application like games?

How about Haskell's GC performance for soft realtime application like games?

Because I realized game rule logic should handle huge complexity, I'm considering using of non-typical language in game field as in-game logic script language. The reason of in-game script is representing complex logic with less code. So ex

Where is the bluetooth/bluetooth.h located in Linux?

Where is the bluetooth/bluetooth.h located in Linux?

I want to build a c file based on BlueZ but seems no bluetooth.h file in my system.fatal error: bluetooth/bluetooth.h: No such file or directoryI am sure the bluetooth dongle is running correctly and I have built Bluez successfully.UpdateFo

height style property doesn't work in div elements

height style property doesn't work in div elements

I'm setting a height of 20px on a , though when it renders in the browser, its only 14px high.Any ideas?My Text Here 1:You cannot set height and width for elements with display:inline;. Use display:inline-block; instead.From the CSS2 sp

Autocomplete text input for HTML5

Autocomplete text input for HTML5

I know there are a lot of javascript solutions, but is there an HTML5 method of having a text input with autocomplete? The datalist element is almost what im after, except it allows you to enter custom values rather than limiting you to wha

PuTTY: Change default SSH login directory [closed]

PuTTY: Change default SSH login directory [closed]

On Windows I use PuTTY to log in a remote server via SSH. Is is possible to change the default directory entry point I get to after I connect and login? (That would be a nice time safer)e.g. from server/home/ to server/home/subdir/subdirfor

Java SE 8 TemporalAccessor.from issues when used with a java.time.Instant object

Java SE 8 TemporalAccessor.from issues when used with a java.time.Instant object

java.time has an Instant class which encapsulates a position (or 'moment') on the timeline. While I understand that this is a seconds/nanoseconds value so not directly related to time zones or times offsets, its toString returns a date and

How does continue work?

How does continue work?

I am trying to understand how "continue" works. I understood the concept of the keyword but when I run different programs, it works differently :-/Let me show you few examples:If I run this program : int j = 0;int i = 0;LABEL1: for (; i The

Is there a “String.Format” that can accept named input parameters instead of index placeholders? [du

Is there a “String.Format” that can accept named input parameters instead of index placeholders? [du

This question already has an answer here: C# variables in strings 4 answers Whats a good way of doing string templating in .NET?