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Mastering Development

ggplot: How to add labels to stat_summary_bin? [duplicate]

I’m able to create a stat_summary_bin with each x bin showing the avg value of y like below. How can I add y value labels, showing the avg y value per bin above each bin? ggplot(diamonds, aes(x=price, y=carat)) + stat_summary_bin(fun.y = "mean", geom="bar", binwidth=5000 ) The answer here using stat_summary() doesn’t resolve my question.

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Mastering Development

Weird Java multithreading behaviour

I’m working in an application consisting of a REST API that exposes several endpoints, one of them is kind of an initialization operation that loads the system data and can be called several times during the application lifecycle, removing the existing data and loading the new one. The rest of the endpoints perform certain operations […]

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Mastering Development

How do I access class init variables on the lowest scaffold level of the class? [closed]

I have a simple class here in which i want to pass a variable that I add at init to dynamodb.Table(). However, I can not seem to work out how to do so without an error. I have tried both self.{} and object.{} but neither work. Shouldn’t be hard to find what’s wrong though. class […]

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Mastering Development

c# how to create vectors and adding an object to it ( is it really possible to create vectors in c# )

can you please explain how to declare a vector in c# and how to add objects to it i already installed system numeric Vectors Package but i have a problem declaring a vector and what’s the difference between vectors and a List

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Mastering Development

How to split string on ‘~|~’ separator in Java?

I have input String ‘~|~’ as the delimiter. For example: String s = "1~|~Vijay~|~25~|~Pune"; when I am splitting it with ‘~\\|~’ in Java it is working fine. String sa[] = s.split("~\\|~", -1); for(String str : sa) { System.out.println(str); } I am getting the below output. 1 Vijay 25 Pune When the same program I am […]

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Mastering Development

Sending multiple images from HTML INPUT tag using AJAX to Laravel Controller along with other data from outside the form

$(‘#modal-save’).on(‘click’, function(event){ $.ajax({ method: ‘POST’, url: urlEdit, data: { body: $(‘#post-body’).val(), deletePhoto: deletePhoto, postId: postId, _token: token } }) .done(function(msg){ $(postBodyElement).text(msg[‘new_body’]); location.reload(); $(‘#edit-modal’).modal(‘hide’); }); }); What I am trying to do is edit a post. What happens is, an edit modals opens and previous data and photos are displayed to the user. If the user […]

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Mastering Development

“Unique constrainted failed” problem when running migrations

I have been tryed to change a django model by applying and running migrations but I have been getting this error django.db.utils.IntegrityError: UNIQUE constraint failed: new__startup_home_mates.user_id How can this error be fixed? I have already investigated a lot but I have found nothing that fits my situation. I have already tried to use RenameField and […]

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Mastering Development

Undeclared identifier compiling diablo 2 program “muleview”

I get 4 undeclared identifier errors when compiling (Visual Studio 2013) and cannot figure out where and how to declare them. error C2065: ‘IDR_MAINWND’ : undeclared identifier error C2065: ‘ID_FILE_EXIT’ : undeclared identifier error C2065: ‘ID_TOOLS_OPTIONS’ : undeclared identifier error C2065: ‘ID_HELP_ABOUT’ : undeclared identifier source files: https://code.google.com/archive/p/mule-view/source/default/source source github: https://github.com/kamikazzi1/mule-view/tree/master/ Mainwnd.cpp snippets: wcx->lpszMenuName = […]

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Mastering Development

promise not define in IE11 in angular 9 app

I Just created an angular 9 app and it does not load in IE11. I have added all the polyfills required including the "core-js/es/promise" for polyfilling promise. But still IE11 is complaining about "promise not defined". why angular team still have not added that polyfill in their polyfill file? We are transpiling our code in […]

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Mastering Development

android retrofit 2 post to laravel not working

I am using retrofit 2, trying to send data to my laravel web. InitRetrofit.java public class InitRetrofit { public static String API_URL = "http://192.168.1.2/sra-copy/public/"; public static Retrofit setInit(){ return new Retrofit.Builder().baseUrl(API_URL).addConverterFactory(GsonConverterFactory.create()).build(); } public static ApiService getInstance(){ return setInit().create(ApiService.class); } } ApiService.java public interface ApiService { @FormUrlEncoded @POST("lapor/android") Call<ResponseLapor> input(@Field("lat") String lat, @Field("lng") String lng, @Field("jenis") […]