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问题 I'm running Eclipse Neon. Whenever I click on any of my projects and try to click clean or build it doesn't allow me to - it is greyed out. It doesn't matter if I make any changes to the code or do anything else, it never gives me the option to clean/build. 回答1: It seems you have only general projects without builders: right-click on a project and choose Properties . In the Properties for ... dialog, in Builders look if there any builder listed. Without builders, your projects are probably

问题 I am fairly new to OCaml but I have this project that i'm working on, I don't really understand the concept of immutable objects and was wondering if i could get some help, I am doing this through a text editor and have tried String.iter and explode but still can't manage to figure it out. Description: You are given a DNA sequence: a string that contains only characters 'A', 'C', 'G', and 'T'. Your task is to calculate the number of substrings of sequence, in which each of the symbols appears

问题 I'm trying to build a project which includes a few open source third party libraries, but I want to bundle my distribution with said libraries - because I expect my users to want to use my project without an Internet connection. Additionally, I'd like to leave their code 100% untouched and even leave their directory structure untouched if I can. My approach so far has been to extract the tarballs and place the entire folder in MyProject/lib , but I've had to put __init__.py in every sub

问题 I have had this Warning lingering around the background of my project for quite a while now and I was told not to worry about it. However now I have other issues I figure now is probably the best time to enquire about it. (The best time was probably when I first occurred, but hey, too late for that now.) There was a mismatch between the processor architecture of the project being built "MSIL" and the processor architecture of the reference "C:\Users\Benjamin\Documents\Visual Studio 2010

问题 I have created some Crystal Reports for my Windows Project. They function fine when I run them on Visual Studio. (I am using VS 2010). But they wont work after I created the setup project and install the software on the Client PC. I get the following errors: http://tistus.srilanka-erickson.com/errors.html Following displayed is the button click event code that I have used to Load the crystal Report: First try clause has been used to register custom inputs to the Report, meanwhile the second

问题 I have a project contains two sub projects: A. a common library for external api B. a program depends on above library They are inside same directory. How I made B refer to A with maven? 回答1: Normally you will always share through a maven repository. That is mavens way to ensure a consistent and correct solution and a solution shareable by all developers. You should search for a public maven repository with project A (e.g. http://search.maven.org or http://mvnrepository.com) and include in

问题 I have not been able to try the alpha and beta versions of Vaadin 8. ➥ What exactly do I need to do to change a working Vaadin 8.5.2 project to use Vaadin 8.6.0beta1 ? Scenario I am using IntelliJ 2018.3, configured to use external Maven 3.5.4. I followed the instructions seen at: https://vaadin.com/framework/releases/8.6.0.beta1 Actually, my POM already had the pair of <id>vaadin-prereleases</id> entries as shown on that page: <repositories> <!-- ... --> <repository> <id>vaadin-prereleases<

问题 How can I create a Maven project with some properties and dependencies set? E.g. when creating a project via: mvn archetype:generate \ -DarchetypeGroupId=org.apache.maven.archetypes \ -DgroupId=com.mycompany.app \ -DartifactId=my-app \ -DinteractiveMode=false how can I add <properties> <maven.compiler.source>1.7</maven.compiler.source> <maven.compiler.target>1.7</maven.compiler.target> </properties> ... <dependency> <groupId>org.json</groupId> <artifactId>json</artifactId> <version>20090211<

问题 I'm new in Haskell and try to solve 3 problem from http://projecteuler.net/. The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? My solution: import Data.List getD :: Int -> Int getD x = -- find deviders let deriveList = filter (\y -> (x `mod` y) == 0) [1 .. x] filteredList = filter isSimpleNumber deriveList in maximum filteredList -- Check is nmber simple isSimpleNumber :: Int -> Bool isSimpleNumber x = let deriveList = map (\y -> (x

问题 I currently have an Xcode project which has a remote in the organizer for a Bithucket repository. I want to start the project over with a fresh template. However I do not want to lose all my previous commits I just want a brand new project in Xcode but to Bitbucket it should just be like another commit. How do I go about in doing this? I would like instructions on what I do in Xcode and what I do in Bitbucket. Thanks in advance! 回答1: I've never used the built in git client in XCode, but one