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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 am trying to use a C++ library in Java with JNA. In the header file of the library I have the following method declaration: extern "C" void foo(const char** bar); The paramterer bar should be passed to foo empty, and foo vill assign it a value that I want to retreive in Java. How should the corresponding Java method declaration be set up (e.g. what Java type should I map bar to), and how can I use it? I have tried the following Java declarations: void foo(String bar); void foo(String[] bar); void foo(Pointer bar); They all result in the

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): 由 翻译 强力驱动 问题: I copy files then my application is finish launching from resource to caches directory. but I want to update my progress bar during copying the files. I copy the file with the code below: -( BOOL ) copyDirectory :( NSString *) source toDirectory :( NSString *) targat { BOOL retVal = YES ; NSFileManager * fileManager = [[ NSFileManager alloc ] init ]; NSError * error ; if ([ fileManager fileExistsAtPath : targat ] == YES ) { NSError * error = nil ; [ fileManager removeItemAtPath : targat error :& error ]; } if (![ fileManager

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 trying to create a simple panel for Openbox in Arch Linux using c++, but I cannot figure out how to remove the title bar from a window. I am creating the window with XCreateWindow(...) , and that gives a window with the correct size, but it contains a title bar, and the window also opens in the top-left corner of the screen, no matter what offset coordinates I specify. I read here that both of these problems are probably caused by the window manager (Openbox), which overrides the window attributes I specified in XCreateWindow(...,

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 used progress bar in my application..my application is working fine but the progress bar is blank..it does not show the working progress what is wrong?? 回答1: Probably you are performing the work in the main GUI thread. This causes all GUI events to be delayed until the task is finished. Use a BackgroundWorker instead and use its ProgressChanged event to update the progress bar. Also remember to set WorkerReportsProgress to true on your background worker. 回答2: Refer this question of StackOverflow: Updating DataGrid From a

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 return a vector from a function but the compiler gives me the following error message: expected `Foo<T>`, found `Foo<&str>` (expected type parameter, found &-ptr) [E0308] What am I missing here? struct Foo<T> { bar: T, } fn foos<T>() -> Vec<Foo<T>> { vec![ Foo { bar: "x" }, Foo { bar: 1 }, ] } fn main() { let my_foos: Vec<_> = foos(); println!("{}", my_foos[0].bar); } 回答1: The compiler is giving you a good error message here: expected `Foo<T>`, found `Foo<&str>` That is, you aren't returning some generic T , you are returning a

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: In my application, I have applied following theme in my manifest file: android:theme="@android:style/Theme.NoTitleBar.Fullscreen" and it is working fine. But when I call someone from my app as per application requirement, and come back again in my application after call end, title bar appears in app again. I am not getting that what is the problem. Please help me out. I don't want a title bar in my application at all. 回答1: This looks like a known issue : Sounds like the following will fix it: getWindow().setFlags(WindowManager.LayoutParams

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: Having Trouble with Entity Framework. I have been populating EntityReferences with an EntityKey inorder to eliminate the need for querying the database ever time I add an Entity Reference. Now I want to do the same thing for an Association (EntityCollection) but im not sure where to start. below are the details of what I am trying to do Tables CREATE TABLE [dbo].[Foo]( [FooId] [int] IDENTITY(1,1) NOT NULL, [FooName] [nvarchar](50) NOT NULL, ) CREATE TABLE [dbo].[Bar]( [BarId] [int] IDENTITY(1,1) NOT NULL, [BarName] [nvarchar](50) NOT NULL,

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 found many links for Status Bar issue in iOS 7 bt none of them helped much. The issue is my application runs well in iOS6 but when I try to run it on iOS7, I want the iOS7 look and feel. The status bar gels nicely with a UIViewController like below : But for UINavigationController it goes black like below : I managed to change the text-color of the statusBar using the following code in AppDelegate : if ([[UIView appearance] respondsToSelector:@selector(setTintColor:)]) { [[UIView appearance] setTintColor:[UIColor whiteColor]]; } Also,

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: How do you plot the bars of a bar plot different colors only using the pandas dataframe plot method? If I have this DataFrame: df = pd.DataFrame({'count': {0: 3372, 1: 68855, 2: 17948, 3: 708, 4: 9117}}).reset_index() index count 0 0 3372 1 1 68855 2 2 17948 3 3 708 4 4 9117 What df.plot() arguments do I need to set so each bar in the plot: Uses the 'Paired' colormap Plots each bar a different color What I am attempting: df.plot(x='index', y='count', kind='bar', label='index', colormap='Paired', use_index=False) The result: What I already

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: Request: VBA code for mini scroll bar which shift sheet left or right using VBA or ActiveX scroll bar? I have created a trainer skills matrix which has trainer names listed down the side (in cells 'B7' through 'B86') and Skill disciplines listed along the top (in cells E6 through 'AJ6'). Where the trainers name and a skill intersect I have a dropdown list stating ‘Y’ for has skill, ‘N’ does not skill and ‘n\a’. if the skill is not appropriate for that trainer. I have frozen the header rows (in cells E6 to 'AJ6') and trainer names (in cells