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spring - java.lang.IllegalArgumentException: A ServletContext is required to configure default servlet handling

I have the following test class: @ActiveProfiles({ "DataTC", "test" }) @RunWith(SpringJUnit4ClassRunner.class) ... the above exception... See Question&Answers more detail:os...

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java - Maven version with a property

I have big Maven (Tycho) project witch about 400 plug-ins. We have specified version of application in ... packaging>eclipse-plugin</packaging> See Question&Answers more detail:os...

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python - Piping output of subprocess.Popen to files

I need to launch a number of long-running processes with subprocess.Popen, and would like to have the stdout ... streamed to open file handles? See Question&Answers more detail:os...

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Word wrap in generated PDF (using jsPDF)?

what I'm doing is using jsPDF to create a PDF of the graph I generated. However, I am not sure how ... the reportTitle from running off the page See Question&Answers more detail:os...

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scala - Can't prove that singleton types are singleton types while generating type class instance

Suppose I've got a type class that proves that all the types in a Shapeless coproduct are singleton ... enumerate the constructors manually? See Question&Answers more detail:os...

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python - Gunicorn can't find app when name changed from "application"

I use gunicorn --workers 3 wsgi to run my Flask app. If I change the variable application to myapp, Gunicorn gives ... = "__main__": myapp.run() See Question&Answers more detail:os...

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android - Couldn't find meta-data for provider with authority

I have integrated Snapchat's Creative Kit in my Android app. After processing, I receive an image from the ... Any help will be appreciated. See Question&Answers more detail:os...

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ruby on rails - ArgumentError: A copy of ApplicationController has been removed from the module tree but is still active

I am using ActiveAdmin (with customized gemset for Rails 4) with Rails 4.0.0.rc2. Application also has custom-built ... (0.9.0) lib/better_errors/middleware.rb:56:in `call'...

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ASP.net MVC - Display Template for a collection

I have the following model in MVC: public class ParentModel { public string Property1 { get; set; } public ... the model type being wrong? See Question&Answers more detail:os...

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sql server - The request failed or the service did not respond in a timely fashion?

I have the following error while I connect to SQL Server 2008 Management Studio with Windows authentication. "The ... getting solution.. Thanks See Question&Answers more detail:os...

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Django ManyToMany model validation

I have a model with a ManyToManyField similar to this one (the model Word has a language, too): class ... I would appreciate any suggestions! See Question&Answers more detail:os...

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dart - How to enable Null-Safety in Flutter?

I tried to use null safety, but it's giving me this error: This requires the 'non-nullable' language feature to be ... stable, 1.22.3, ... See Question&Answers more detail:os...

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datetime - How can I determine if iPhone is set for 12 hour or 24 hour time display?

I thought I saw something answering this on SO recently but now I can't find it. Here is the code ... release]; return using24HourClock; } See Question&Answers more detail:os...

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Escape HTML to PHP or Use Echo? Which is better?

In terms of performance , what would be better. Using PHP to echo all the HTML output so I can pepper it with the ... ; ?> </body> </html> See Question&Answers more detail:os...

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What is $$phase in AngularJS?

I found this code snippet which is part of a angular directive someone wrote for bootstrap modal. // ... Angular Directive for Bootstrap Modal See Question&Answers more detail:os...

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python - What is a clean way to convert a string percent to a float?

I have looked in the standard library and on StackOverflow, and have not found a similar question. So, is there a way to ... >> 0.99 >>>> 0.995 See Question&Answers more detail:os...

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iOS 7 - is there a way to disable the swipe back and forward functionality in Safari?

For some web pages we use the swipe left and right functionality of iPhone to pull up the menus. Now with ... behavior on the swipe actions? See Question&Answers more detail:os...

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ruby on rails - Unable to obtain stable firefox connection in 60 seconds (127.0.0.1:7055)

While testing scenario by cucumber i'm getting the following error when running rspec tests unable to obtain stable ... am using Windows 7. See Question&Answers more detail:os...

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ruby on rails - What the difference between mysql and mysql2 gem

I used to work with the mysql gem, but often nowadays I hear about the mysql2 gem. Also, it is included ... advantages of using the mysql2 gem? See Question&Answers more detail:os...

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java - Case insensitive sorting in MongoDB

How can I sort a MongoDB collection by a given field, case-insensitively? By default, I get A-Z before a-z. See Question&Answers more detail:os...

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http - Android: UnknownHostException

I am using Android SDK 2.2, testing my application with the emulator. I want to send a HTTP Post. When I do I ... "IOException thrown" + e ); } See Question&Answers more detail:os...

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Why does Java permit escaped unicode characters in the source code?

I recently learned that Unicode is permitted within Java source code not only as Unicode characters (eg. double π = ... despite its many "cons"? See Question&Answers more detail:os...

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android - How to add a view programmatically to RelativeLayout?

Can you give me a very simple example of adding child view programmatically to RelativeLayout at a ... RelativeLayout.LayoutParams instance. See Question&Answers more detail:os...

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php - What is PHPSESSID?

I'm playing around with cookies. And I dont have any cookies called PHPSESSID. Do i need it? Can ... [PHPSESSID] => el4ukv0kqbvoirg7nkp4dncpk3 ) See Question&Answers more detail:os...

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web services - Log4Net "Could not find schema information" messages

I decided to use log4net as a logger for a new webservice project. Everything is working fine, but I get a ... I still get the same messages. See Question&Answers more detail:os...

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ios - Debug on real Apple Watch: Application Verification Failed

I tried to debug my WatchKit app on a real Apple Watch today. After hitting the Debug button in Xcode, the main ... work on a real Apple Watch? See Question&Answers more detail:os...

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java - When will System.currentTimeMillis() overflow?

I have a web app which orders stuff using a timestamp, which is just a long. My web app backend happens to ... Ridiculous, I know, just curious! See Question&Answers more detail:os...

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html - IE Compatibility Mode: 'X-UA-Compatible' tag 'Edge'

I have this in the <head>: <meta http-equiv="X-UA-Compatible" content="IE=Edge" /> It will force the ... to use IE8 or IE8 Compatibility Mode? See Question&Answers more detail:os...

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

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