Vote count: 0 I hope you can help me with my problem. What is the situation: I'm working on a C# WPF application with the MVVM patte . I'm using Calibu .Micro and MahApps.Metro. I have a list of ViewModels in ViewModelA: ObservableCollection<ViewModelB> ViewModelList { get; set; } // short version T...

Vote count: 0 I'm new to MongoDB and I'm creating my first DB using this guide. There are tons of SO articles already on you and why you can't use "." or "$" in one's keys like this, this, and this. In most cases, people are indeed trying to store keys with periods in them and are trying to find a w...

Vote count: 0 I'm writing a simple program in C, trying to teach myself the language for the first time and also lea ing to use my (Mac) Terminal for the first time. However, I keep getting a segmentation fault error when I try to enter a variable (ssn) into scanf() to be saved. I changed the variab...

Vote count: 0 Whenever i try to build and run the code in codeblocks, sometimes it displays error that says ca ot open outputfile. If the error is displayed, then if i wait for few seconds and then run the program again, the program runs, the console opens up but it remains blank for few seconds and...

Vote count: 0 I'm loading images using NSImage class in my application like that. if let image = NSImage(contentsOfURL: openPanel.URL!) { ... } It works fine with most of images. I then convert it to CGImage and use like I want. But with some images it simply glitches and I cant understand why. For ...

Vote count: 0 I request a page with requests, but when I use it with BeautifulSoup, structure changes and I ca ot find what I want to find in document. Let me explain. This is the the page I am trying to analyze. I am trying to get elements with this CSS selector: .chosen-select option. An Example C...

Vote count: 0 How do I write such constraints in CPLEX (linear-programming) ? forall(p in P, x in X, y in Y) if ((remx[p,x] <= 0) OR (remy[p,y] <= 0)) then pbl[p,x,y] == 0 else pbl[p,x,y] == 1 where pbl is a decision variable (matrix), remx and remy is a normal matrix variable and p,x,y are indices....

Vote count: 0 i am trying to count how many numbers are greater than zero in a data frame. the data frame has a labels like "xx", which are characters; and the original data frame looks like: dataframe "xx" 13,NA,9,NA,NA,NA "xx" 2,1,NA,NA,NA,NA "cc" NA,NA,NA,NA,NA,NA "cc" 59,50,2,5,1,NA "xx" 20,10,1...

Vote count: 0 I have recently installed Ubuntu 13 alongside Windows 7 and everything is okay. The only problem I have is I was having only one partition on my PC and the installer didn't provide where I could create new partition. I seem to have a partion where Ubuntu was installled when I check my ...

Vote count: 0 I have the following issue. I know that when using Objective-C to export a Manager method you can use the RCT_EXPORT_METHOD and you can get the UIView associated with the reactTag like so: RCT_EXPORT_METHOD(scrollTo:(no ull NSNumber *)reactTag offsetX:(CGFloat)x offsetY:(CGFloat)y anim...

Vote count: 0 I tried to use the code found here : https://developer.xamarin.com/api/type/Xamarin.Forms.OpenGLView/ using Xamarin.Forms; using OpenTK.Graphics.ES30; But When Debug starts, a Window opens (image attached) : "Find Source" And looks for the following file : UncaughtExceptionHandler.cs h...

Vote count: -2 I'm currently lea ing ASP.NET MVC, and I came to a subject called "federated authentication". Could anyone tell me with example what it is and why to use it? Thank you! :) asked 1 min agoMr.Hurricane Let's block ads! (Why?)

Vote count: 0 How search tokens can be generated for conjunctive keywords. How do search tokens work on attributes asked 1 min agoRachel Nallathamby Let's block ads! (Why?)

Vote count: 0 I want to use the remove_file and template methods from the Thor toolkit in the create action of a rails controller. pages_controller.rb (although it makes no sense) class PagesController < ApplicationController .... def create @page = Page.new(page_params) respond_to do |format| if @p...

Vote count: 0 I have compiled successfully but encounted a runtime error when I import google maps to my proj, below is my proj and the fail log. Any help will be much appreciated. my proj [fail log]: 05-21 12:28:13.303: E/AndroidRuntime(30336): Process: com.iceskysl.iTracks, PID: 30336 05-21 12:28:...

Vote count: 0 installation with all the privileges: c:work>gp --install online.cap --default --terminate -sdomain [main] WARN pro.javacard.gp.GlobalPlatform - Unknown/unhandled tag in FCI propri etary data: 9F6E06479100783300 Exception in thread "main" java.lang.IllegalArgumentException: apdu must b...

Vote count: 0 Is there any simple function for get this output. SELECT Title FROM Table WHERE Id = 1 ---- My title Desire function or etc ... SELECT MYBASE64ENCODE(Title) FROM Table WHERE Id = 1 ---- TXkgdGl0bGU= I need the function for ecnode string to base64. asked 1 min agosweb Let's block ads! (...

Vote count: 0 How can i count the number of uploaded files? This is my form: <div id="dragAndDropFiles" class="uploadArea"> <h1>Drop Images Here</h1> </div> <form id="sfmFiler" class="sfmform" method="post" enctype="multipart/form-data"> <input type="file" name="file" id="file" multiple /> <input ty...

Vote count: 0 I want to use getRelativeTimeSpanString to show a date.but I couldn`t set Locale for my date! how can I custom this class? is it possible to add locale as a parameter to this class? asked 31 secs agoZahra.HY Let's block ads! (Why?)

Vote count: 0 I try to build a web application based on multiple maven modules. One of the modules is called "web" and is solely responsible to package a war which should be deployed to a tomcat using the tomcat7-maven-plugin. I have following modules defined in my parent.pom: common persistence per...