Question Mark in JavaScript

Question Mark in JavaScript

I came across the following linehsb.s = max != 0 ? 255 * delta / max : 0;What do the ? and : mean in this context? 1:It is called the Conditional Operator (which is a ternary operator).It has the form of: condition ? value-if-true : valu

What is the equivalent to 'play stop' for Play Framework 2.1?

What is the equivalent to 'play stop' for Play Framework 2.1?

What is the equivalent of play stop for Play 2.1?If I did play start, how do I cleanly terminate the process? 1:As stated in the doc: When you run the start command, Play forks a new JVM and runs the default Netty HTTP server. The stand

Recommended two-way encryption gems for Ruby? [closed]

Recommended two-way encryption gems for Ruby? [closed]

I'm in need of a two-way encryption solution for Ruby, such as Blowfish, Rijndael (AES) or other. The problem, however, is that I can't find an appropriate gem for it. I would like for the library to support several different encryption alg

Android emulator screen fills up only some fraction part of actual android emulator screen

Android emulator screen fills up only some fraction part of actual android emulator screen

First thing first,Using Android Studio 2.3.3Problem:My emulator screen is covering the only partial amount of screen available for emulator, i.e top left of the emulator and rest part is just a black screen.See the pic I have attached.Thing

Unwanted double quotes in generated csv file

Unwanted double quotes in generated csv file

I have created a CSV file using the Java code below:String csv = rs.getString("UPLOAD_FOLDER_PATH")+".csv";CSVWriter writer = new CSVWriter(new FileWriter(csv));String [] filevalues = new String[filevaluesarray.size()];filevalues=filevalues

How to use variant arrays in Delphi

How to use variant arrays in Delphi

I have two Delphi7 programs: a COM automation server (EXE) and the other program which is using the automation server.I need to pass an array of bytes from one program to the other.After some searching I've found that using variant arrays i

Facebook debugger: why complaining about app_id missing

Facebook debugger: why complaining about app_id missing

While using the facebook debugger, it complains: Warning fb:app_id hasn't been included in the meta tags. Specify the app ID so that stories shared to Facebook will be properly attributed to the app. Alternatively, app_id can be set in ur

Android - how to make a scrollable constraintlayout?

Android - how to make a scrollable constraintlayout?

I want to make a layout that lets me scroll down using constraint layout, but I dont know how to go about it. should the scrollview be the parent of the constraintlayout like this?Or the other way around? maybe someone can point me to a goo

Import a sequence of .svg files into FontForge as glyphs and output a font file

Import a sequence of .svg files into FontForge as glyphs and output a font file

I want to create a font with a large volume of glyphs. Think Japanese kanji, in the thousands. So there will definitely be some scripting / batch processing required. Luckily FontForge supports python scripting! Unluckily I haven't been abl

Application.Current.Shutdown() doesn't

Application.Current.Shutdown() doesn't

Title's about it. WPF app with some WCF stuff for IPC. I call Application.Current.Shutdown() and the app continues on happily. I thought Shutdown was supposed to be unstoppable.Perhaps because it's being called from a background thread?

Scrolling with Collapsing Toolbar and Tabs

Scrolling with Collapsing Toolbar and Tabs

I'm trying to make a layout with a CollapsingToolbarLayout which has scroll|exitUntilCollapsed flag, and a TabLayout which has scroll|enterAlways scrollFlag property. Basically I want my toolbar to be pinned and show and hide the tabs while

Trigger Google Places Autocomplete

Trigger Google Places Autocomplete

I am trying to attach a virtual keyboard to bind to a Google places autocomplete input.If I physically type in a letter in the input, a Google-powered dropdown displays the autocomplete predictions based on where the map is centered. If I c

Is Donut Caching working properly with ASP.NET MVC?

Is Donut Caching working properly with ASP.NET MVC?

And by donut caching, I'm refering to Scott Guthrie's blog post which is awesome.Does anyone know if that works properly? 1:Yes, you can donut cache by following the steps in this blog post. 2:Note that this technique no longer works

Matching exactly 10 digits in Javascript

Matching exactly 10 digits in Javascript

I've tried other questions on SO but they don't seem to provide a solution to my problem:I have the following simplified Validate functionfunction Validate() { var pattern = new RegExp("([^\d])\d{10}([^\d])"); if (pattern.test(documen

AutoMapper — inheritance mapping not working, same source, multiple destinations

AutoMapper — inheritance mapping not working, same source, multiple destinations

Can I use inheritance mapping in AutoMapper (v2.2) for maps with the same Source type but different Destination types?I have this basic situation (the real classes have many more properties):public abstract class BaseViewModel{ public in

How to get the global_step when restoring checkpoints in Tensorflow?

How to get the global_step when restoring checkpoints in Tensorflow?

I'm saving my session state like so:self._saver = tf.saver()self._saver.save(self._session, '/network', global_step=self._time)When I later restore I want to get the value of the global_step for the checkpoint I restore from. This is in ord

Why pass an empty object to jQuery's extend method?

Why pass an empty object to jQuery's extend method?

jQuery has a very neat extend method, which merges 2 objects into one.On the jQuery Plugins authoring page they show an example as follows:var settings = $.extend({ 'location' : 'top', 'background-color' : 'blue'}, options);Ho

Issue getting Doxygen to document an enum in C

Issue getting Doxygen to document an enum in C

I have a rather odd problem with Doxygen (1.6.1 on Mac OS X Snow Leopard) in that it does not seem to document my enums no matter what I do. I am programming in C and have followed the instructions in the manual. Here is my code:/** * \enum

Eclipse 'loading descriptor' takes ages

Eclipse 'loading descriptor' takes ages

We have a Java Spring MVC based project using Eclipse (Juno - the latest build), using the latest JVM 1.7 and Tomcat 7. Eclipse is pretty fast, and everything is set to default settings. Once it is all loaded up, it is lightning fast, which

How to fix date format in ASP .NET BoundField (DataFormatString)?

How to fix date format in ASP .NET BoundField (DataFormatString)?

I have a dynamic BoundField (for a DetailsView) with the following code:BoundField bf1 = new BoundField();bf1.DataField = "CreateDate";bf1.DataFormatString = "{0:dd/MM/yyyy}";bf1.HtmlEncode = false;bf1.HeaderText = "Sample Header 2";dv.Fiel

Mocking vs. Test DB?

Mocking vs. Test DB?

Earlier I asked this question How to correctly unit test my DAL?, one thing left unanswered for me is if to really test my DAL is to have a Test DB, then what is the role of mocking vs. a testing DB?To add on this, another person suggested

Insert HTML markup using Meteor

Insert HTML markup using Meteor

How can I display marked up string data in a Meteor template?I need to display a string from my database that contains some basic HTML tags such that the resulting text is properly formatted. It currently just displays the markup text.Here

Android, how to stop reading getView() function again, if the content is already downloaded in the L

Android, how to stop reading getView() function again, if the content is already downloaded in the L

I am a newbie Android guy. I have a ListView displaying images on every element of the ListView, It works fine... but when I start to scrolling I have realized my image is downloaded again if it is displayed in the screen of my phone device

JQuery UI Tabs - Spinner Background Image

JQuery UI Tabs - Spinner Background Image

All,I am using JQuery UI tabs. When a tab is clicked, I want the tab to show the tab title along with a spinner animated gif next to it. When the tab is loaded, the image should hide. How can I achieve this? Thanks 1:Add spinner option t

Recover Hibernate connection

Recover Hibernate connection

Does anybody know a way to reestablish/retry again hibernate connection. I mean for example: the remote DB is down and I start my application. Hibernate is not able to establish a connection. it fails. But the application is not closed. Is