大约有 42,000 项符合查询结果(耗时:0.0509秒) [XML]

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Handle Guzzle exception and get HTTP body

I would like to handle errors from Guzzle when the server returns 4xx and 5xx status codes. I make a request like this: 5 A...
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Entity Framework vs LINQ to SQL

...LINQ to SQL only supports 1 to 1 mapping of database tables, views, sprocs and functions available in Microsoft SQL Server. It's a great API to use for quick data access construction to relatively well designed SQL Server databases. LINQ2SQL was first released with C# 3.0 and .Net Framework 3.5. ...
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What is the purpose of a self executing function in javascript?

... blocks of JavaScript code. For example, as mentioned in a comment by Alexander: (function() { var foo = 3; console.log(foo); })(); console.log(foo); This will first log 3 and then throw an error on the next console.log because foo is not defined. ...
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How do you specify that a class property is an integer?

I'm experimenting with TypeScript, and in the process of creating a class with an "ID" field that should be an integer, I have gotten a little confused. ...
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Stock ticker symbol lookup API [closed]

...hat just offers a simple symbol lookup service? i.e., input a company name and it will tell you the ticker symbol? I've tried just screen-scraping Google Finance, but after a little while it rate limits you and you have to enter a CAPTCHA. I'm trying to batch-lookup about 2000 ticker symbols. Any id...
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Use JNI instead of JNA to call native code?

...m java to c. In this case jni will win in performance because you can keep and modify this buffer in c, without copying. These are the problems I've encountered. Maybe there's more. But in general performance is not that different between jna and jni, so wherever you can use JNA, use it. EDIT Th...
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Is asynchronous jdbc call possible?

... I don't understand how any of the proposed approaches that wrap JDBC calls in Actors, executors or anything else can help here - can someone clarify. Surely the basic problem is that the JDBC operations block on socket IO. When it does thi...
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Why is a ConcurrentModificationException thrown and how to debug it

... (a HashMap used indirectly by the JPA, it so happens), but apparently randomly the code throws a ConcurrentModificationException . What is causing it and how do I fix this problem? By using some synchronization, perhaps? ...
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Better way to shuffle two numpy arrays in unison

...o sequences of the same length results in the same number of calls to the random number generator, and these are the only "random" elements in the shuffle algorithm. By resetting the state, you ensure that the calls to the random number generator will give the same results in the second call to shu...
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How to solve WAMP and Skype conflict on Windows 7? [closed]

... In Skype: Go to Tools → Options → Advanced → Connections and uncheck the box use port 80 and 443 as alternative. This should help. As Salman Quader said: In the updated skype(8.x), there is no menu option to change the port. This means this answer is no longer valid. ...