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RabbitMQ 3.3.1 can not login with guest/guest

I have installed the latest version of RabbitMQ on a VPS Debian Linux box. Tried to get login through ... logging remotely via guest/guest. See Question&Answers more detail:os...

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

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ios - Getting the Value of a UITextField as keystrokes are entered?

Let's say I have the following code: IBOutlet UITextField* nameTextField; IBOutlet UILabel* greetingLabel; I'd like ... has entered so far). See Question&Answers more detail:os...

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java - How to use OKHTTP to make a post request?

I read some examples which are posting jsons to the server. some one says : OkHttp is an implementation of the ... pair into stream by myself? See Question&Answers more detail:os...

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homebrew - After MySQL install via Brew, I get the error - The server quit without updating PID file

Ok, I've searched all over and have spent quite a bit of my time installing, uninstalling, trying various option ... my username on my machine. See Question&Answers more detail:os...

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haskell - How does foldr work?

Can anybody explain how does foldr work? Take these examples: Prelude> foldr (-) 54 [10, 11] 53 ... about these executions. Any suggestions? See Question&Answers more detail:os...

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two way - Two-way SSL clarification

I am somewhat confused as to how two-way SSL works. How does the client create its certificate to send to the ... -way SSL over one-way SSL? See Question&Answers more detail:os...

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cross browser - Vertically and horizontally centering text in circle in CSS (like iphone notification badge)

I'm looking for a way of to do a cross-browser iphone-like badge in CSS3. I'd obviously like to ... , which is of questionable support status See Question&Answers more detail:os...

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css - How to create a pulse effect using -webkit-animation - outward rings

I have found this article: http://www.zurb.com/article/221/css3-animation-will-rock-your-world on css3 ... animate out and fade away? See Question&Answers more detail:os...

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mysql - Adding a new SQL column with a default value

I am looking for the syntax to add a column to a MySQL database with a default value of 0 Reference See Question&Answers more detail:os...

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vi - Best way to insert timestamp in Vim?

EditPad Lite has a nice feature (CTRL-E, CTRL-I) which inserts a time stamp e.g. "2008-09-11 10:34:53" ... built-in way to get a timestamp.) See Question&Answers more detail:os...

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Sending SOAP request using Python Requests

Is it possible to use Python's requests library to send a SOAP request? See Question&Answers more detail:os...

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How do I run Django and PHP together on one Apache server?

I can currently run either Django through mod_wsgi or PHP on my Apache server. My Django projects run at: http:/ ... any ideas what I'm missing? See Question&Answers more detail:os...

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Get commit list between tags in git

If I've a git repository with tags representing the versions of the releases. How can I get the list of the ... pretty format if is possible) ? See Question&Answers more detail:os...

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How to clone a case class instance and change just one field in Scala?

Let's say I have a case class that represents personas, people on different social networks. Instances of that class ... would be easy to do. See Question&Answers more detail:os...

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

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svn - examining history of deleted file

If I delete a file in Subversion, how can I look at it's history and contents? If I try to do svn cat or ... , and Git handle this case, too.) See Question&Answers more detail:os...

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activerecord - how to add records to has_many :through association in rails

class Agents << ActiveRecord::Base belongs_to :customer belongs_to :house end class Customer << ActiveRecord::Base ... has_many :through table? See Question&Answers more detail:os...

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Graph implementation C++

I was wondering about a quick to write implementation of a graph in c++. I need the data structure to ... 'good' implementations are there? See Question&Answers more detail:os...

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Download a spreadsheet from Google Docs using Python

Can you produce a Python example of how to download a Google Docs spreadsheet given its key and worksheet ID ... file_path) except OSError: pass See Question&Answers more detail:os...

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c# - Cannot obtain value of local or argument as it is not available at this instruction pointer, possibly because it has been optimized away

Visual Studio 2010 kills (there is no other word) data in one of the arguments of the function in the unsafe ... it has been optimized away. See Question&Answers more detail:os...

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c - Why use bzero over memset?

In a Systems Programming class I took this previous semester, we had to implement a basic client/server in ... option for newer programs? See Question&Answers more detail:os...

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c# - When should use Readonly and Get only properties

In a .NET application when should I use "ReadOnly" properties and when should I use just "Get". What is the ... get { return Fuel; } } See Question&Answers more detail:os...

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Javascript: Extend a Function

The main reason why I want it is that I want to extend my initialize function. Something like this: // ... extended function in extended.js. See Question&Answers more detail:os...

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Python logging: use milliseconds in time format

By default logging.Formatter('%(asctime)s') prints with the following format: 2011-06-09 10:54:40,638 where 638 is the ... -%m-%d,%H:%M:%S.%f') See Question&Answers more detail:os...

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fonts - CSS: bolding some text without changing its container's size

I have a horizontal navigation menu, which is basically just a <ul> with the elements set side-by-side. I ... changes to the entries simple. See Question&Answers more detail:os...

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css - Remove border radius from Select tag in bootstrap 3

This seems like a trivial problem, but I can't figure it out. On Bootstraps own website they have the Select ... to remove the border radius. See Question&Answers more detail:os...

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Maven: The packaging for this project did not assign a file to the build artifact

I'm using Maven 3.0.3 on Mac 10.6.6. I have a JAR project and when I run the command "mvn clean ... hudson/</url> </ciManagement> </project> See Question&Answers more detail:os...

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

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Show the progress of a Python multiprocessing pool imap_unordered call?

I have a script that's successfully doing a multiprocessing Pool set of tasks with a imap_unordered() ... value before stopping incrementing. 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 - Is there a version control system for database structure changes?

I often run into the following problem. I work on some changes to a project that require new tables or columns ... MS SQL Server, then great. See Question&Answers more detail:os...

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

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