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Selecting an element which has another element as direct child

匿名 (未验证) 提交于 2019-12-03 01:13:01
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 need to select all div s which contain object as their direct child. :has just checks for descendants of any kind, so now I'm using: $('div > object').parent().css('text-align', 'center'); is there a more direct way? 回答1: You can simplify your code to: $('div:has(> object)').css('text-align', 'center'); 回答2: Use the :has selector: $("div:has(> object)").css("text-align", "center"); Here's an example I wrote up: $(function() { $("div:has(> h3)").css("background", "yellow"); }); div { padding: 15px; border: 1px solid black; } outer inner

It is currently in use by another Gradle instance

匿名 (未验证) 提交于 2019-12-03 01:12:01
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'm new to Gradle build system. I want to do some basic functions on it. I'm running/building it in command line. I am referring User guide . And, doing some simple tasks. When I start to run simple tasks, it was build successfully. But, After some times, it is showing "It is currently in use by another Gradle instance" and becomes BUILD FAILED . I'm using a terminal for run the task. I didn't run anything at that time. If I closed the terminal which generate the error, this problem would be solved. But, I know that it is not the

How to open another window in JavaFX 2?

匿名 (未验证) 提交于 2019-12-03 01:12:01
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 made a simple JavaFX application, but I would like the main window to open a secondary window when the user clicks a button. What would be the simplest way to accomplish this? 回答1: Button b = new Button(); b.setOnAction(new EventHandler () { @Override public void handle(ActionEvent e) { Stage stage = new Stage(); //Fill stage with content stage.show(); } }); 文章来源: How to open another window in JavaFX 2?

SDL: Render Texture on top of another texture

匿名 (未验证) 提交于 2019-12-03 01:12:01
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 having trouble with the following: I need to render a texture on top of another texture and then render that main texture. For example I have the blue rectangle texture, and I want to draw red rectangles on top of this blue rect. However i want them to restrict the render only on this rectangle. Like the following image: I read something about texture blit between them or something like that but im not sure if this is posible. My code looks like this: SDL_RenderCopy(ren,bluetexture,NULL,dBLUErect); SDL_RenderCopy(ren,redtexture,NULL

Call a function from another file in Python

匿名 (未验证) 提交于 2019-12-03 01:12:01
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: Set_up: I have a .py file for each function I need to use in a program. In this program, I need to call the function from the external files. I've tried: from file.py import function(a,b) But I get the error: ImportError: No module named 'file.py'; file is not a package How do I fix this problem? 回答1: There isn't any need to add file.py while importing. Just write from file import function , and then call the function using function(a, b) . The reason why this may not work, is because file is one of Python's core modules, so I suggest you

How to add another feature (length of text) to current bag of words classification? Scikit-learn

匿名 (未验证) 提交于 2019-12-03 01:12:01
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 am using bag of words to classify text. It's working well but I am wondering how to add a feature which is not a word. Here is my sample code. import numpy as np from sklearn . pipeline import Pipeline from sklearn . feature_extraction . text import CountVectorizer from sklearn . svm import LinearSVC from sklearn . feature_extraction . text import TfidfTransformer from sklearn . multiclass import OneVsRestClassifier X_train = np . array ([ "new york is a hell of a town" , "new york was originally dutch" , "new york is also called

Restrict user to make another call from custom dialer un-till the previous call is answered

匿名 (未验证) 提交于 2019-12-03 01:09:02
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 know this question is asked many times here , but still I want to confirm that is there any way to get event when outgoing call get picked by user ? As i have to restrict my custom dialer to pass another number to native dialer until the previous call is not answered. Same as in TrueCaller App . I have found some links and tried them but they are not working in a way i expect.In some devices my code is working fine as i think it's device specific issue. Here are some links :- How to detect that the call is answered or rejected?

Asp.Net Core: Calling another REST-Api throws WebException

匿名 (未验证) 提交于 2019-12-03 01:09:02
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 aware, that this exceptions are discussed in several other threads, but I can't get mine to work. My environment: I Have a ASP.NET Core REST-API (let's call it A), which calls another REST-API (let's call it B). Working with these two APIs, I have a Server in the internal network and my local development environment, also making use of Postman. Trying out the combiniations, I have the following behavior: Local A calls local B --> Works Local A calls Server B --> Error Postman calls Server B --> Works Server A calls Server B --> Error

Send a refresh request to another page opened in the browser

匿名 (未验证) 提交于 2019-12-03 01:08:02
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 page A that creates a window with the page B. Page B asks the user some datas, inserts them in the database and then closes itself. After the insertion, I'm trying to make page A refresh automatically (it can be both from A seeing that B has closed, or by a function triggered by B itself before (or after?) closing) How can I do that? 回答1: JavaScript's window.open() returns reference to the instance of opened window. You may use it to set up onunload event handler, like this: var hWndB = window.open('somepage.php'), hWndA = window.self

Use an angular directive inside another directive

匿名 (未验证) 提交于 2019-12-03 01:08:02
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 created the below angular directives, ChildDirective that is used inside ParentDirective var wizardModule = angular.module('Wizard', []); wizardModule.directive('childDirective', function ($http, $templateCache, $compile, $parse) { return { restrict: 'E', scope: [], compile: function (iElement, iAttrs, transclude) { iElement.append('child directive '); } } }) wizardModule.directive('parentDirective', function ($http, $compile) { return { restrict: 'E', compile: function (element, attrs) { var x = ' '; element.append(x); } } This was