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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I'm trying to figure out how I can call a function from another one of my classes. I'm using a RootViewController to setup one of my views as lets say AnotherViewController So in my AnotherViewController im going to add in on the .h file @class RootViewController And in the .m file im going to import the View #import "RootViewController.h" I have a function called: -(void)toggleView { //do something } And then in my AnotherViewController I have a button assigned out as: -(void)buttonAction { //} In the buttonAction I would like to be able to

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Current Location: ProjectName/src Classes Location: ProjectName/Factory Modules/Factory Classes Try 1: from FactoryClass1 import FactoryClass1 Try 2: import sys sys.path.append(path_to_classes_folder) from FactoryClass1 import FactoryClass1 However I keep getting 'ImportError: No module named PointSet'. How should the import statement be written in order to be able on using the functions in the classes? 回答1: You may try something like: import os.path, sys # Add current dir to search path. sys.path.insert(0, "dir_or_path") # Add module from

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Error: Invalid drawable added to LayerDrawable! Drawable already belongs to another owner but does not expose a constant state. I suddenly noticed this error today, and I'm not sure if it was because I just updated my testing device to Android 8.0. The error message clearly states there's something wrong with setting the ripple effect on the floating action button, and indeed there is no ripple effect when the button is pressed. However, I'm not sure what is causing this problem. Actually, the exact same bug is thrown twice in a row. Any

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Here is the hello world of rapidjson. How can I change key "hello" to "goodbye" and get string from the json? I mean I want to parse json, change some keys and get json string back like {"goodbye" : "world"} . const char json[] = "{ \"hello\" : \"world\" }"; rapidjson::Document d; d.Parse<0>(json); 回答1: const char *json = R"({"hello": "world"})"; rapidjson::Document d; d.Parse<0> (json); rapidjson::Value::Member* hello = d.FindMember ("hello"); if (hello) { d.AddMember ("goodbye", hello->value, d.GetAllocator()); d.RemoveMember ("hello"); }

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: TL;DR : How does one fork a process that is located outside of the current running process? I'm trying to use child_process of Nodejs in order to start another nodejs process on the parent's process exit. I successfully executed the process with the exec but I need the child process be independent of the parent, so the parent can exit without waiting for the child, hence I tried using spawn with the detached: true, stdio: 'ignore' option and unref() ing the process: setting options.detached to true makes it possible for the child process to

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have two STL maps std::map<int, int> foo = {{1, 0}, {2, 0}, {3, 0}, {4, 0}, {5, 0}, {6, 0}}; and std::map<int, int> bar = {{2, 0}, {4, 0}, {5, 0}}; I want to find if bar is a subset of foo. Since the elements are sorted in map, I would think to find the first element from bar in foo, and then find consecutive elements from bar in foo from that location. The problem here is I'm not able to figure out a way to do that with STL maps in cpp. Can I reduce the search range in map for every find from a location in map to the end of the map? I

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I want to use the same table view cell layout in several storyboard scenes. Can I design the prototype cell in one of the scenes and somehow access it (i.e. dequeueReusableCellWithIdentifier) in another table view controller? 回答1: This is not possible, but you can copy the prototype cell from source table view to destination one inside storyboard and you can easily reuse it. 回答2: You can design your prototype cell in a .xib file and import that into multiple UITableViewController subclasses. Just make sure to keep the identifier in synch

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have an ubuntu headless server with JavaFX and Xfvb up and running. Now I have a very similar Ubuntu server and try to get my JavaFX App running with Xvfb. But I allways get an exception thrown: Prism ES2 Error - nInitialize: glXChooseFBConfig failed Xlib: extension "RANDR" missing on display ":99". Usually I could solve xrandr exception by exporting LD_LIBRARY_PATH=/usr/lib/x86_64-linux-gnu/ But not this time. I really have no idea what is wrong ... This is how I usually start the server: xvfb-run -a java -cp build/classes:lib/*:/usr/lib

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am copying .exe file form a separate to my main project's folder on prebuild event but I need to build that project before build my main project so i want to build that project on prebuild event of my main project. 回答1: Not that this is the best solution, but it will definately work for what you want to do: Put the below into your pre-build event "$(VS100COMNTOOLS)..\IDE\devenv" " csproj location OR sln location " /Rebuild " configuration required if you have more than configuration ex: Debug|x64 " 文章来源: Build another project by prebuild

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: Is there a way to open one app from another app in Air? Example: I open app A which contains a button that opens app B when clicked. Suppose both A and B are separated apps that are installed in the device and that this device could be a PlayBook, an Ipad or an Android tablet. Thanks. 回答1: You'd have to go the Air Native Extension(ANE) route. Either create one ANE solution for iOS and Android each, or one ANE that abtracts the functionality into one solution. How to launch app A from app B on Android is not the same as on iOS. See this