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ios - How can I set the UINavigationbar with gradient color?

I want to set the UINavigationbar backgroundColor to a gradient color where I would like to set it via an array ... image of the navigation bar) See Question&Answers more detail:os...

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

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SSH tunneling from Heroku

I'm providing a service hosted on Heroku which lets users report on their own data, using their database. My ... was possible. Thank you, Adrien See Question&Answers more detail:os...

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

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c++ - throw new std::exception vs throw std::exception

while looking at some code I stumbled onto: throw /*-->*/new std::exception ("//... and I always thought ... that uses throw gcnew. Is that OK? See Question&Answers more detail:os...

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

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sql - Generate random int value from 3 to 6

Is it possible in Microsoft SQL Server generate random int value from Min to Max (3-9 example, ... ) magic_number FROM information_schema.tables See Question&Answers more detail:os...

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

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c++ - How to get position of a certain element in strings vector, to use it as an index in ints vector?

I am trying to get the index of an element in a vector of strings, to use it as an index in another vector ... since pos is of type string ! See Question&Answers more detail:os...

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

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swift - iOS SwiftUI: pop or dismiss view programmatically

I couldn't find any reference about any ways to make a pop or a dismiss programmatically of my presented view with ... it will stays like this? See Question&Answers more detail:os...

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

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java - Spring MVC How take the parameter value of a GET HTTP Request in my controller method?

In this period I am studing the Spring MVC showcase example (downloadable from STS dasboard) and I have some ... of my by Parameter method? See Question&Answers more detail:os...

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

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java - How can I know if the request to the servlet was executed using HTTP or HTTPS?

I wrote a servlet in Java and I would like to know if the request to that servlet was executed using HTTP or ... 1 on both methods. Any ideas? See Question&Answers more detail:os...

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

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syntax - What characters are permitted for Haskell operators?

Is there a complete list of allowed characters somewhere, or a rule that determines what can be used in an identifier vs an operator? See Question&Answers more detail:os...

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

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python - matching query does not exist Error in Django

I have implemented a password recovery functionality in django. With my method, the new password will be sent to the email ... > </div> </form > See Question&Answers more detail:os...

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

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iphone - NSMutableArray addObject: -[__NSArrayI addObject:]: unrecognized selector sent to instance

I have tried to initialize my NSMutableArray 100 ways from Sunday, and NOTHING is working for me. I tried setting ... idea what's going wrong? See Question&Answers more detail:os...

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

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php - facebook error 'Error validating verification code'

very strange error. i use gide http://developers.facebook.com/docs/authentication/. so i create request to fb ... 70855 but nothing work for me See Question&Answers more detail:os...

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

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java - overriding or setting web service endpoint at runtime for code generated with wsimport

Using code that was generated with wsimport, can the service endpoint be overridden without having to regenerate the ... used by the client. See Question&Answers more detail:os...

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

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c# - Anonymous Type vs Dynamic Type

What are the real differences between anonymous type(var) in c# 3.0 and dynamic type(dynamic) that is coming in c# 4.0? See Question&Answers more detail:os...

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

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Keycloak-gatekeeper: 'aud' claim and 'client_id' do not match

What is the correct way to set the aud claim to avoid the error below? unable to verify the id token {" ... test-server: image: "test-server" See Question&Answers more detail:os...

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

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oop - How to implement a binary search tree in Python?

This is what I've got so far but it is not working: class Node: rChild,lChild,data = None,None,None def ... __name__ == '__main__': main() See Question&Answers more detail:os...

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

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javascript - Retrieving value from <select> with multiple option in React

The React way to set which option is selected for a select box, is to set a special value prop on the <select> itself, ... > </select> ); } }); See Question&Answers more detail:os...

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

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bash - Using cut command to remove multiple columns

given input echo 1,2,3,4,5,6,7,8,9,...100 If I want to cut columns 5 I can do cut -d, -f-4,6- ... columns like 5, 7,etc is there a one liner? See Question&Answers more detail:os...

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

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oop - When do I use static variables/functions in php?

I am refreshing myself on OOP with PHP and I saw an example of setting functions and/or variables as static. ... just use a variable instead? See Question&Answers more detail:os...

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

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c# - Why is TaskScheduler.Current the default TaskScheduler?

The Task Parallel Library is great and I've used it a lot in the past months. However, there's something really ... why I'm turning to you. See Question&Answers more detail:os...

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

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python - How do Rpy2, pyrserve and PypeR compare?

I would like to access R from within a Python program. I am aware of Rpy2, pyrserve and PypeR. What ... disadvantages of these three options? See Question&Answers more detail:os...

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

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java - Maven: Customize web.xml of web-app project

I have a web application Maven project, and I want to customize the web.xml file depending on the Profile ... one depending on the profile? See Question&Answers more detail:os...

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

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sql - Why are batch inserts/updates faster? How do batch updates work?

Why are batch inserts faster? Is it because the connection and setup overhead for inserting a single row is the ... part of the SQL standard? See Question&Answers more detail:os...

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

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javascript - nodejs multiple http requests in loop

I'm trying to make simple feed reader in node and I'm facing a problem with multiple requests in node.js. For ... 't know how to handle this. See Question&Answers more detail:os...

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

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parsing - Use Scala parser combinator to parse CSV files

I'm trying to write a CSV parser using Scala parser combinators. The grammar is based on RFC4180. I came up ... new Exception(e.toString) } } See Question&Answers more detail:os...

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

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java - reading android jpeg EXIF metadata from picture callback

Background: I am writing a camera app for a messenger program. I cannot save the captured image to persistent ... welcome any further insight. See Question&Answers more detail:os...

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

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556 views

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regex - Perl compatible regular expression (PCRE) in Python

I have to parse some strings based on PCRE in Python, and I've no idea how to do that. Strings I want ... exists to parse this kind of string? See Question&Answers more detail:os...

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

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html - What are all the differences between src and data-src attributes?

What are differences and consequences (both good and bad) of using either data-src or src attribute of img tag? ... be used each of them? See Question&Answers more detail:os...

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

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