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xcode10 - Xcode 10 Error: Multiple commands produce

error: Multiple commands produce '/Users/uesr/Library/Developer/Xcode/DerivedData/OptimalLive-fxatvygbofczeyhjsawtebkimvwx/Build/ ... is a error in Xcode10. Question&Answers:os...

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

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What is the native keyword in Java for?

While playing this puzzle (It's a Java keyword trivia game), I came across the native keyword. What is the native keyword in Java used for? Question&Answers:os...

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

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292 views

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javascript - Check whether a string matches a regex in JS

I want to use JavaScript (can be with jQuery) to do some client-side validation to check whether a string ... string matches a regex, not the whole thing. Question&Answers:os...

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

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250 views

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javascript - How to quickly and conveniently disable all console.log statements in my code?

Is there any way to turn off all console.log statements in my JavaScript code, for testing purposes? Question&Answers:os...

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

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655 views

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jakarta ee - How to change context root of a dynamic web project in Eclipse?

I developed a dynamic web project in Eclipse. I can access the app through my browser using the following ... the application through this context root URL? Question&Answers:os...

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

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103 views

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c# - Capture Stored Procedure print output in .NET

Is it possible to capture print output from a T-SQL stored procedure in .NET? I have a lot of legacy ... CommandType.StoredProcedure; // string ProcPrint = ??? Question&Answers:os...

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

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java - Unresponsive KeyListener for JFrame

I'm trying to implement a KeyListener for my JFrame. On the constructor, I'm using this code: System.out.println( ... is. Is there something that I am missing? Question&Answers:os...

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

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PHP Sort Array By SubArray Value

I have the following array structure: Array ( [0] => Array ( [configuration_id] => 10 [id] => 1 [optionNumber] => ... [lastUpdated] => 2010-03-17 15:44:12 ) ) Question&Answers:os...

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

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delphi - Why can a WideString not be used as a function return value for interop?

I have, on more than one occasion, advised people to use a return value of type WideString for interop purposes. ... BSTRs? Or is it just a Delphi defect? Question&Answers:os...

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

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php - How to load classes based on pretty URLs in MVC-like page?

I would like to ask for some tips, on how solve this problem. I'm trying to build my own MVC website. I learned ... RewriteRule ^(.+)$ index.php?url=$1 [QSA,L] Question&Answers:os...

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

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r - Why does data.table update names(DT) by reference, even if I assign to another variable?

I've stored the names of a data.table as a vector: library(data.table) set.seed(42) DT <- data.table(x = runif(100 ... <- names(DT) and names2 <- c(names(DT))? Question&Answers:os...

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

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237 views

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Case insensitive regex in JavaScript

I want to extract a query string from my URL using JavaScript, and I want to do a case insensitive comparison for ... help. Any idea how can that be achieved? Question&Answers:os...

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

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668 views

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mongodb - Moongoose aggregate $match does not match id's

I want to show products by ids (56e641d4864e5b780bb992c6 and 56e65504a323ee0812e511f2) and show price after subtracted by discount ... { console.log(docs) } }) Question&Answers:os...

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

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java - Add image thumbnails to a layout in a grid?

I have a list of images. I need to add as small thumbnails to a frame. I currently have frame with SpringLayout. ... Auto-generated method stub new grid(); } } Question&Answers:os...

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

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c - How to allocate aligned memory only using the standard library?

I just finished a test as part of a job interview, and one question stumped me, even using Google for reference. I'd like ... ptr, 0, 1024); // answer b) here } Question&Answers:os...

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

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66 views

1 answer

How can I set up an editor to work with Git on Windows?

I'm trying out Git on Windows. I got to the point of trying "git commit" and I got this error: Terminal is dumb ... and what did you have to do to make it work? Question&Answers:os...

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

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198 views

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javascript - window.onload vs <body onload=""/>

What exactly is the difference between the window.onload event and the onload event of the body tag? when do I use which and how should it be done correctly? Question&Answers:os...

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

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292 views

1 answer

Take a screenshot via a Python script on Linux

I want to take a screenshot via a python script and unobtrusively save it. I'm only interested in the ... solution, and should support any X based environment. Question&Answers:os...

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

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735 views

1 answer

python - Matplotlib (pyplot) savefig outputs blank image

I am trying to save plots I make using matplotlib; however, the images are saving blank. Here is my code: ... tessstttyyy.png is blank (also tried with .jpg) Question&Answers:os...

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

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168 views

1 answer

How do I add a simple jQuery script to WordPress?

I read the Codex and a few blog posts about using jQuery in WordPress, and its very frustrating. I've got as far ... do I add it for a single WordPress page? Question&Answers:os...

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

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73 views

1 answer

javascript - React won't load local images

I am building a small react app and my local images won't load. Images like placehold.it/200x200 loads. I thought ... 'Listening at http://localhost:3000'); }); Question&Answers:os...

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

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148 views

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java - How to parse XML using the SAX parser

I'm following this tutorial. It works great but I would like it to return an array with all the strings instead ... the last element. Any ideas how to do this? Question&Answers:os...

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

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471 views

1 answer

httpurlconnection - Connecting to remote URL which requires authentication using Java

How do I connect to a remote URL in Java which requires authentication. I'm trying to find ... connection = (HttpURLConnection)url.openConnection(); Question&Answers:os...

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

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355 views

1 answer

val() doesn't trigger change() in jQuery

I'm trying to trigger the change event on a text box when I change its value with a button, but it doesn' ... value is changed, but change doesn't trigger. Why? Question&Answers:os...

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

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81 views

1 answer

c# - how can you easily check if access is denied for a file in .NET?

Basically, I would like to check if I have rights to open the file before I actually try to open it; I do ... a file access property I can check before hand? Question&Answers:os...

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

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157 views

1 answer

javascript - Why is "element.innerHTML+=" bad code?

I have been told not to append stuff using element.innerHTML += ... like this: var str = "<div>hello world ... with it?, what other alternatives do I have? Question&Answers:os...

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

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334 views

1 answer

ios - Fatal error: unexpectedly found nil while unwrapping an Optional values

This question already has answers here: Question&Answers:os...

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

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79 views

1 answer

javascript - Sort array of objects by single key with date value

I have an array of objects with several key value pairs, and I need to sort them based on 'updated_at': [ { " ... ] What's the most efficient way to do so? Question&Answers:os...

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

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