大约有 15,000 项符合查询结果(耗时:0.0223秒) [XML]

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Rails 3 - can't install pg gem

When I try to run bundle (bundle install), I all the time get 16 Answers 16 ...
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download and install visual studio 2008 [closed]

... Visual Studio 2008: (3,30 GB) http://download.microsoft.com/download/8/1/d/81d3f35e-fa03-485b-953b-ff952e402520/VS2008ProEdition90dayTrialENUX1435622.iso MSDN Library 2008: (2,15 GB) http://www.microsoft.com/downloads/info.aspx?na=90&p=&SrcDi...
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Python: finding an element in a list [duplicate]

What is a good way to find the index of an element in a list in Python? Note that the list may not be sorted. 10 Answers ...
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This Handler class should be static or leaks might occur: IncomingHandler

I'm developing an Android 2.3.3 application with a service. I have this inside that service to communicate with Main activity: ...
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Inherit from a generic base class, apply a constraint, and implement an interface in C#

This is a syntax question. I have a generic class which is inheriting from a generic base class and is applying a constraint to one of the type parameters. I also want the derived class to implement an interface. For the life of me, I cannot seem to figure out the correct syntax. ...
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How to shut down the computer from C#

What's the best way to shut down the computer from a C# program? 16 Answers 16 ...
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Why use HttpClient for Synchronous Connection

I am building a class library to interact with an API. I need to call the API and process the XML response. I can see the benefits of using HttpClient for Asynchronous connectivity, but what I am doing is purely synchronous, so I cannot see any significant benefit over using HttpWebRequest . ...
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How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?

I am trying to dump the contents of a table to a csv file using a MySQL SELECT INTO OUTFILE statement. If I do: 13 Answers...
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Flatten list of lists [duplicate]

I'm having a problem with square brackets in Python. I wrote a code that produces the following output: 4 Answers ...
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Can Flask have optional URL parameters?

... Another way is to write @user.route('/<user_id>', defaults={'username': None}) @user.route('/<user_id>/<username>') def show(user_id, username): pass But I guess that you want to write a single route and mark username as optional? If that's the case,...