Vote count: 0 I'd like to know whether it is possible to access the HDFS from the driver in a Spark application. That means, how to read/write a file from/to HDFS in the driver program. One possible solution is to read a file as a RDD (sc.textFile) and then collect it in the driver. However, this is...

Vote count: 0 The blog post on error handling in go establishes the following guideline: In Go, error handling is important. The language's design and conventions encourage you to explicitly check for errors where they occur (as distinct from the convention in other languages of throwing exceptions ...

Vote count: 0 I know the basics of swift.I understand concepts and programs very well when I'm practicing them on the playground in the Xcode. But when I begin building the apps by watching the tutorials, I don't really understand how the things work. Im trying very hard but not in the right way.Ive...

Vote count: 0 I've been using Renci.SshNet in C# to check some info about a server using an SSH co ection. I am trying to use the command: sshClient.RunCommand("show ports").Result; to generate a string and check if all the ports on a server are enabled. The RunCommand().Result method has worked per...

Vote count: 0 I have a combo box on a jsp page. And i have few anchor tags with href. I want to modify the href by updating href value based on combo box selected value. How to approach this? Jsp Page is below with sortselect combobox and hres of prevLink, nextLink, numLink have to be modified. <%@ ...

Vote count: 0 How can I have the group summary (when grouping rows in Excel for Mac) to be at the top instead of the bottom? I know there is an option to do this on Excel for Windows, but I can't seem to find this option on Excel for Mac. asked 38 secs agoSean Be ardino Let's block ads! (Why?)

Vote count: 0 I pick a random color in a foreach loop, how do i make sure that the chosen color isnt the last color that was chosen? This is an example of my current code: $array = array('a', 'b', 'c', 'd', 'e'); $colors = array('#61AE24', '#EAE672', '#00A1CB', '#E54028', '#E59B28', '#28E4E5', '#DB2...

Vote count: 0 In MVC 5 with EF 6.1 for migration i did below steps to update my database: in PMC Enable-Migrations -ContextTypeName [SiteDbContext] ( i have two DbContext in my project) Set AutomaticMigrationsEnabled to true in Configuration file in migration folder. Modifying my class from [Require...

Vote count: 0 I need to obtain pearson correlation coefficients for pairs of text documents using library("lsa"). I've done it once, and want to do it again for all my documents. Currently, I have sorted the pairs of documents in folders but I have to do this manually: #set directory for files dirs ...

Vote count: 0 i'm working with python 2.7 on a linux environment, my app working with the ebay trading api with the sdk: ebaysdk-python. My goal is to list a fixedpriceitem, i didn't found a correct way to do it ... It seems the example on the ebay website for the developer isn't working also. Someo...

Vote count: 0 In javascript, there's the common patte of creating an anonymous function and immediately invoking it (usually this is called a self-executing anonymous function or an immediately-invoked function expression). With Java 8 lambdas, is there a standard way to replicate this behaviour? So...

Vote count: 0 Weirdly enough, the tooltip documentation on my Visual Studio 2015 Community Edition when using Xamarin 6.1.1 (and I think the previous version as well) doesn't appear correctly. They all written as "To be added", even on the common C# method like int.TryParse(). If I'm working differe...

Vote count: 0 How can the attributes be transparently translated from wrapper component to nested one? Considering that there is const FIRST_PARTY_OWN_INPUTS = [...]; const FIRST_PARTY_PASSTHROUGH_INPUTS = ['all', 'attrs', 'are', 'passed']; @Component({ selector: ['first-party'], inputs: [...FIRST_P...

Vote count: -1 Okay so my friend asked me to make a small program for an sports event. Here are the things he wants the program to do. User should be able to make as many objects as he/she wants (each object is representing a sports group) with values x and y which are integers. x = number of people...

Vote count: 0 When I click "open code by browser(chrome)"(I'm not sure if it is right translation. I use Korean version) button in "file" tab, a dialog pops up and says "Can't complete the operation. Class is not applied"(either I'm not sure about this English expression) and don't work. How can I f...

Vote count: 0 i don't know how to handle the request in my controller in symfony in the php code. So im creating a new model in my collection with collection.create() method but I don't know how to handle it in symfony php code. Can anyone help me? Collection.create() code: save: function() { this.c...

Vote count: 0 Suppose i have an Excel file with two sheets one containing the values LENDER_NAME STATE_CODE 1st Business Bank CA Allied Bank of Texas Dallas TX and another file containing the values SLNO NAME STATE 1 1st Business BK CA 2 Allied BK of Texas TX 3 Allied Texas Bank TX i need to compare...

Vote count: 0 I have a form in controller Authentication.scala: package controllers import javax.inject._ import play.api._ import play.api.mvc._ import play.api.data._ import play.api.data.Forms._ import play.api.i18n.Messages.Implicits._ import play.api.libs.concurrent.Execution.Implicits.defaultC...

Vote count: 0 I am messing around some with the google awareness api and now my understanding of RxJava is limiting me. What I want to achieve in the end: I want to get a Weather and a Location from the Api, and merge them into one object that I can pass on to my view for update. However, I'm not su...

Vote count: 0 I have a webview control and request some search in Youtube. There are lot's of result videos. Users click one of them. How to get the video URL playing? asked 46 secs agoRonaldo.K Let's block ads! (Why?)