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So I understand why returning void from async would normally make no sense, but I've ran into a ... follow conventions correctly? Thanks for any help. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to Insert Image into JTable Cell

Can someone point me in the right direction on how to add an image into Java Table cell. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - XPath to match @class value and element value?

I would like to locate this element, <div class="item-price">$0.99</div> using XPath which says select div ... and whose content contains a dollar sign ($). Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Troubleshooting PHP Mail

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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R ifelse to replace values in a column

I have a column in my dataframe as follows: Private Private Private ? Private I want to replace this " ?" with Private ... 3 I don't know what went wrong here. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Limit concurrency of promise being run

I'm looking for a promise function wrapper that can limit / throttle when a given promise is running so that only a set ... < count) work() }.bind(this)) } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Is constexpr supported with lambda functions / expressions?

struct Test { static const int value = []() -> int { return 0; } (); }; With gcc-4.6 I get ... ? What is the correct syntax ? Any work around possible ? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Multiple use of the positional `$` operator to update nested arrays

This question is closely related to this one and I will consider the advice given with respect to schema design in a ... if I didn't get the R syntax right. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Gradle build tool cannot find play-services-tasks.aar? Why?

Today suddenly, I got an error when I tried to run my app in Android studio. It is: Error: Could not ... clean(type: Delete) { delete rootProject.buildDir } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Get the value for a listbox item by index

This must be very easy but I am stuck. I have a listBox with X Items. Each Item has a text description (Which ... an item, using the index number of the item. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - segmentation fault using scanf

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - Passing a 2D array of structs

Im dealing out card type structures from an array. struct card deck[DECKSIZE]; //The deck is an array of ... the address rather than the value or vice versa? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Dependency Injection in Struts2 Accessing Session Scoped Beans

Recently I needed to use DI in Struts2. I know it uses it's own DI implementation like Guice but not Guice, as far as ... that I need to set the scope strategy. So, my question is...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Xml-SelectNodes with default-namespace via XmlNamespaceManager not working as expected

I have some xml with default namespace <a xmlns='urn:test.Schema'><b/><b/></a> and want to count the number of < ... , doc.SelectNodes("//t:b", nsmgr).Count); } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Javascript: closure of loop?

I would like to do the something along the following: for (var i = 0; i < 10; ++i) { createButton(x, y, ... not by-value. So how can I do this with javascript? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - JSONParser from androidhive tutorial, NoSuchMethodError in DefaultHttpClient

I'm following this tutorial, and getting this error: Caused by: java.lang.NoSuchMethodError: No virtual method execute ... / return JSON String return jObj; } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Is there a way to calculate 3D rotation on X and Y axis from a 4x4 matrix

First of all, I am not a mathematical expert at all. Please be tolerant to my mathematical mistakes and ... information, in any form, is much appreciated. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Jmeter extracting fields/parsing JSON response

I have following JSON format in response body [ { "Name" : "Prashant", "City" : "Sydney" }, { "Name" : ... or do I need to do it using regular expressions? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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excel - Split cell values into multiple rows and keep other data

I have values in column B separated by commas. I need to split them into new rows and keep the other data the ... ) To UBound(colArray) Rows.Insert(i) Next i Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery - Screen orientation ios

I am working on a application for ios with phonegap and jqm. I want to lock the screen orientation to landscape on ... also do this on ios? Thanks in advance! Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - d3.json method doesn't return my data array

I'm using d3.json to load a JSON file containing my data, like this: var data = d3.json(url, callback ... was written as a general guidance to those questions. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Smoothly connecting circle centers

I'm attempting to draw a path through the inside of a tube, along the center. The data I have to work ... points, and the green the path through the center. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - Simulating transform-origin using translate

I want to simulate the properties of transform-origin using transform: translate in CSS. According to MDN, this is very ... ="box translate"> </div> </div> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - in selenium web driver how to choose the correct iframe

I'm trying to click on an element on this page: url = 'https://finance.yahoo.com/quote/GOOG?ltr=1' ... still couldn't find the elements I'm interested in. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What is an undefined reference/unresolved external symbol error and how do I fix it in Fortran?

I am trying to build a Fortran program, but I get errors about an undefined reference or an unresolved external ... Fortran, and how do I fix/prevent them? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wix - How to execute conditional custom action on install and modify only?

I have a installer which is working fine. I want to run custom action only in install and modify only. Here is ... only in install mode. What i am doing wrong? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Access Denied page with headless Chrome on Linux while headed Chrome works on windows using Selenium through Python

I have this code that I'm using on my local machine: from selenium import webdriver chrom_path = r"C: ... the same code works differently on different os? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Leaflet drawing tiles disjointly

I am instantiating a leaflet map, but the tiles are basically being scattered all over the page - while the map ... can see a screenshot of what happens here: Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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