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package android.support.v4.app does not exist ; in Android studio 0.8

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问题 I've recently updated the android studio IDE to 0.8 to work with the new android L SDK. To start I imported a finished android project that receives no errors in the older version of android studio. In version 0.8 i lines such as import android.support.v4.app.Fragment; get: Support cannot be resolved causing the rest of the code to have errors. The logcat returns 101 instances of Error:(8, 30) error: package android.support.v4.app does not exist 1 for each time I call the support library in

package android.support.v4.app does not exist ; in Android studio 0.8

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D3D11CreateDeviceAndSwapChain(…) was not declared in this scope

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问题 I am trying to make a simple Engine using c++ and DirectX 11. I am using Geany. This makes things worse for me because linking the d311 library was difficult, but I have to use it for 2 reasons: I want to make it without any IDE help, more to-root possible, and Because we use it at school. While I was following some tutorials and books I got stuck because my IDE doesn't recognize the method. How can I solve that? Update:i found out that the D310CreateDeviceAnsSwapChain(..) works but Idk what

Spyder does not run Python scripts after matplotlib upgrade

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问题 I was coding in Python 2.7 with Spyder 2.1.9 , using matplotlib 1.1 . The operating system is Linux Ubuntu 12.04 LTS. I requested the upgrade of matplotlib with sudo pip --upgrade python-matplotlib . The upgrade went well: the end message is successfully installed matplotlib numpy foos bars . Now, if I open an interpreter in the terminal and type import matplotlib print(matplotlib.__version__) the answer is 1.5.1 . This version of matplotlib is installed in /usr/local/lib/python2.7/dist

How to plot in a new window in Spyder-IDE(Python)

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问题 My Spyder-IDE prints the plots in it's ipython console . How can I change the settings to do plotting on a new pop-up window? 回答1: You need to go to the menu Tools > Preferences > IPython console > Graphics > Graphics Backend and select the option called Automatic there. After doing that you need to restart either Spyder or the console kernel for this change to take effect. 来源： https://stackoverflow.com/questions/54840619/how-to-plot-in-a-new-window-in-spyder-idepython

Why does NetBeans recreate “old” packages' folders on deploy?

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问题 Working with a java web application in NetBeans I've refactored my packages several times. Now when the IDE builds the project, I find empty folders with the names of "old" packages in build\web\WEB-INF\classes\ . Saying "old" I mean those packages I have already deleted, moved or renamed. I've looked through all the files in the application folder, searching for these "old" names, but failed to find any occurance at all. Where does NetBeans take it from? I should add, that these folders are

Free compiler + IDE for writing Windows App in C++ (for students) [closed]

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问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . I will be teaching middle school and high school students C++ over this summer vacation. I went to a bookstore, browsed through some of recommended C++ books such as C++ Primer, The C++ Programming Language, Thinking in C++ and I have strong confidence that my students will lose interest quickly when they read

拒绝Bug，Java开发利器IntelliJ IDEA最新版本2019.3重磅更新

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自IntelliJ IDEA2019.2推出以来，不少用户反映这个版本Bug太多，用起来实在是不太省心。为此 IntelliJ IDEA 2019.3更专注于IDE的性能和整体质量。IntelliJ IDEA团队与其他几个JetBrains开发人员团队一起集会，专门致力于完善IDE，并进行性能改进，UI响应修复，可用性增强，现有功能的改进等。除此之外IntelliJ IDEA研发团队还正在进行一些正在进行的项目，例如对新的微服务框架的支持，例如Micronaut，Quarkus和Helidon，以及人们期待已久的对MongoDB的支持。希望这些努力对使用IntelliJ IDEA进行开发变得更加愉快！更好的性能我们一直在努力提高IntelliJ IDEA的性能，并取得了以下成果：更快的IDE启动总体上更好的UI响应能力，更少的UI和编辑器冻结减少内存消耗，特别是在Gradle项目导入上今年，我们的主要优先任务之一是增加启动时间。为了实现此目标，我们在IntelliJ平台中引入了许多重大更改，并行化了一些按顺序运行的流程，以一种使初始类加载更快的方式重组了这些类，优化了macOS上的字体加载，以及更多。改善UI响应能力是我们关注的另一个重要领域。我们已经努力解决了IntelliJ IDEA各个部分中发生的UI冻结问题，因为当用户界面不响应时，没人喜欢它

Java开发人员请注意！IntelliJ IDEA 2020.1平台路线图您知道吗

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IntelliJ IDEA 2019.3 提供了重大的性能和可用性改进，包括更快的启动，主题和键盘映射插件的安装更容易，增强的VCS工作流以及增加了对微服务框架，MongoDB等的支持。但是，这远远不够！我们想介绍一下我们当前在改进IntelliJ IDEA和基于IntelliJ平台的其他IDE方面所做的一些工作。这些努力的结果将在明年发布，其中一些将在**2020.1春季发布。它们围绕两个主要主题：性能和对现代开发工作流的支持。性能索引表现与我们的IDE的性能有关的两个主要痛点是启动性能（索引耗时较长的工具被认为是重量级的）。在今年，我们做了很多工作来加快启动速度，明年，我们将注意力转向索引性能。我们针对此问题采取了多管齐下的方法。首先，我们使使用预建的索引块成为可能，这样星球上的每个IntelliJ实例都不必执行相同的索引java.lang.String类的工作。我们计划在这一年中逐步提供支持，从JDK开始，然后涵盖Maven Central的库以及其他IDE中的解释器和包。我们还在研究支持团队或企业内项目源代码的索引块共享的方法，但是目前我们还没有任何具体计划。其次，我们计划通过在编制索引期间提供更多的IDE操作来减少编制索引的破坏性。第三，我们将检测并通知您有关索引异常的信息，包括索引花费时间太长的文件，索引重新建立频率太高的文件以及异常导致的索引重建

Usable IDE for Android? [closed]

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问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . I'm trying to wrap my head around this whole new mobile paradigm. So I've decided to order a cheap Chinese Android based netbook, and go full immersion into Android as a full time environment for web development. Only one snag. At least from what I can tell, there don't seem to be any mature tools for web

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