Why does barrier synchronize shared memory when memoryBarrier doesn't?

Why does barrier synchronize shared memory when memoryBarrier doesn't?

The following GLSL compute shader simply copies inImage to outImage. It is derived from a more complex post-processing pass. In the first several lines of main(), a single thread loads 64 pixels of data into the shared array. Then, after sy

How to make ASP.Net MVC model binder treat incoming date as UTC?

How to make ASP.Net MVC model binder treat incoming date as UTC?

I'm posting an object to an MVC controller. The object contains a field called StartDt and on the client it is a javascript Date object in local time.When I call JSON.stringify on the object and POST it to the server using jQuery's ajax met

IE z-index relative/absolute bug in list

IE z-index relative/absolute bug in list

I have the following navigation where .topNav has position:relative and subnav has position:absolute. I cant get the sublist to appear over the main list due to z-index problems. This seems to be a known problem.About Us Subsection ASubsect

Efficient way to normalize a Scipy Sparse Matrix

Efficient way to normalize a Scipy Sparse Matrix

I'd like to write a function that normalizes the rows of a large sparse matrix (such that they sum to one).from pylab import *import scipy.sparse as spdef normalize(W): z = W.sum(0) z[z However this gives the following exception:File

When should one use intval and when int [duplicate]

When should one use intval and when int [duplicate]

This question already has an answer here: Is there any particular difference between intval and casting to int - `(int) X`? 7 answers What is the bette

Find process id by window's handle

Find process id by window's handle

i have a problem with getting a specific PID of a process, the problem with this process is that it's a hidden process, it's not showing on task manager / powershell, completely hidden.what i have do far is the main window handle of this pr

Why is there no 64-bit version of VS2013?

Why is there no 64-bit version of VS2013?

I downloaded Visual Studio 2013 from DreamSpark but it's the 32-bit version and I couldn't find any 64-bit version. Is there none, and if so why is there no 64-bit version of Visual Studio? 1:First, there is a 64-bit C++ compiler that co

DelegatingHandler for response in WebApi

DelegatingHandler for response in WebApi

I am currently using several delegation handlers (classes derived from DelegatingHandler) to work on the request before it is sent, for things like validating a signature etc. This is all very nice, because I don't have to duplicate signat

How does one use Resources.getFraction()?

How does one use Resources.getFraction()?

How do I store a fractional value like 3.1416 in resources? What to write in the XML and how to retrieve it in Java code?The documentation for getFraction() states: public float getFraction (int id, int base, int pbase) Retrieve a fract

Django styling login forms and adding additional spans

Django styling login forms and adding additional spans

I have two questions in form-styling.For my login, I am using Django's default auth features and haven't written any views or forms manually. urls.pyurlpatterns += patterns( 'django.contrib.auth.views', url(r'^login/$','login', {'t

Best Practice of Repository and Unit of Work Pattern with Multiple DbContext

Best Practice of Repository and Unit of Work Pattern with Multiple DbContext

I plan to develop a web application using ASP.NET MVC with Entity Framework 6 (Code First / POCO). I also want to use generic Repository and Unit of Work Pattern in my application. This application connects to more than two databases so, I

What is the difference between an Array Data Structure and an Array Data-type in the context of a pr

What is the difference between an Array Data Structure and an Array Data-type in the context of a pr

Wikipedia differentiates an Array Data Structure and an Array Data-type.What is the difference between an Array Data Structure and an Array Data-type in the context of a programming language like C?What is this : int array[]={1, 2, 3, 4, 5}

Calculate resulting RGB from 2 colors, one is transparent

Calculate resulting RGB from 2 colors, one is transparent

I'm looking for a formula to convert them.I know to convert a general transparency it is alpha * new + ( 1 - alpha ) * oldI have:Color A : RGB( 85, 113, 135 )Color B : RGB( 43, 169, 225 )Color A has 90% opacity and is laid on top of Color B

Extract part of string between two different patterns

Extract part of string between two different patterns

I try to use stringr package to extract part of a string, which is between two particular patterns.For example, I have: my.string and by the use of str_extract(string, pattern) function (where pattern is defined by a POSIX regular expressio

Force graphviz to preserve node positions

Force graphviz to preserve node positions

I have a graph that changes over time (normally, new nodes are added). I need to regenerate the graph several times, and want all of the nodes to stick where they have been. This partially works when using graphviz with the fdp-algorithm, s

Proof that the height of a balanced binary-search tree is log(n)

Proof that the height of a balanced binary-search tree is log(n)

The binary-search algorithm takes log(n) time, because of the fact that the height of the tree (with n nodes) would be log(n).How would you prove this? 1:Let's assume at first that the tree is complete - it has 2^N leaf nodes. We try to

Conditionally validating portions of an ASP.NET MVC Model with DataAnnotations?

Conditionally validating portions of an ASP.NET MVC Model with DataAnnotations?

I have certain panels on my page that are hidden under certain circumstances.For instance I might have a 'billing address' and 'shipping address' and I dont want to validate 'shipping address' if a 'ShippingSameAsBilling' checkbox is checke

How to define listview templates in code

How to define listview templates in code

I am writing a Composite control, which contains a listview to display a table of items. Normally when using a ListView in Asp.NET I would define the templates in the code-forward.

Compressing with Java Decompressing with PHP

Compressing with Java Decompressing with PHP

I have a situation where a servlet is providing compressed data to a PHP script. I compress the data on the Java side no problem, but PHP seems unable to decompress. Here is the relevent code snippets Java Side: OutputStream o=response.ge

Testing iOS 6 apps on device running iOS7

Testing iOS 6 apps on device running iOS7

I have an iPhone 4s. I receive iOS 7 update in my phone. So the question is: can I run iOS 6 apps from Xcode on my iOS 7 device?NOTE: I haven't got XCode 5, so that's the reason I would like to know about running iOS 6 apps from XCode 4.6.

Bootstrap buttons get “stuck” down on mobile devices

Bootstrap buttons get “stuck” down on mobile devices

Whenever I click a button with my mobile device (android) on a twitter boostrap button but button gets odd styling like the mouse is still over and doesn't release until I click another element. This is not the active class being applied to

What is ViewState? How is it encoded? Is it encrypted? Who uses ViewState?

What is ViewState? How is it encoded? Is it encrypted? Who uses ViewState?

What is ViewState? How is it encoded? Is it encrypted? Who uses ViewState? 1:If you really want to understand ViewState (not just what it is used for), then you may want to read this fabulous article (which I, unfortunately, am not the

How to decode sprop-parameter-sets in a H264 SDP?

How to decode sprop-parameter-sets in a H264 SDP?

What is the meaning of Base64 decoded bytes in sprop-parameter-sets in SDP for a h264 stream? How can I know the video size from this example?SDP example: sprop-parameter-sets=Z0IAKeNQFAe2AtwEBAaQeJEV,aM48gA==First part decoded from Base64

Is there an attribute I can add to a class so it will be edited as code, not in the designer?

Is there an attribute I can add to a class so it will be edited as code, not in the designer?

I've made a class which inherits from UserControl, but which I only want to use as a base for subclasses. Is there a way I can stop VS2008 from trying to edit it in the designer, that won't stop the subclasses from being edited in the desi

How to create method interface with variable parameters / different method signatures?

How to create method interface with variable parameters / different method signatures?

I'm trying to create an interface to a common class, but the implementation classes can have different parameters.e.g.public interface IViewModel{ //... void ResetReferences(); }// and then, in my class implementations, something like