大约有 42,000 项符合查询结果(耗时:0.0556秒) [XML]

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What does threadsafe mean?

...ently I tried to Access a textbox from a thread (other than the UI thread) and an exception was thrown. It said something about the "code not being thread safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead. ...
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Solving a “communications link failure” with JDBC and MySQL [duplicate]

... in different web sites, but non of them worked. Finally I changed my code and found out what was the problem. I'll try to tell you about different approaches and sum them up here. While I was seeking the internet to find the solution for this error, I figured out that there are many solutions that...
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How to choose the right bean scope?

... represents the scope (the lifetime) of the bean. This is easier to understand if you are familiar with "under the covers" working of a basic servlet web application: How do servlets work? Instantiation, sessions, shared variables and multithreading. @Request/View/Flow/Session/ApplicationScoped A @...
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What is the difference between #include and #include “filename”?

In the C and C++ programming languages, what is the difference between using angle brackets and using quotes in an include statement, as follows? ...
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How to create GUID / UUID?

...vaScript. I'm not sure what routines are available on all browsers, how "random" and seeded the built-in random number generator is, etc. ...
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PyCharm shows unresolved references error for valid code

I am using PyCharm to work on a project. The project is opened and configured with an interpreter, and can run successfully. The remote interpreter paths are mapped properly. This seems to be the correct configuration, but PyCharm is highlighting my valid code with "unresolved reference" errors, ...
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What's the difference between HEAD, working tree and index, in Git?

Can someone tell me the difference between HEAD, working tree and index, in Git? 5 Answers ...
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Difference between CouchDB and Couchbase

Are there any essential differences between CouchDB and Couchbase . 3 Answers 3 ...
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How to create a simple proxy in C#?

I have downloaded Privoxy few weeks ago and for the fun I was curious to know how a simple version of it can be done. 10 An...
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DateTime.Now vs. DateTime.UtcNow

...nciples of how the two properties work. I know the second one is universal and basically doesn't deal with time zones, but can someone explain in detail how they work and which one should be used in what scenario? ...