大约有 42,000 项符合查询结果(耗时:0.0545秒) [XML]

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Easy way to write contents of a Java InputStream to an OutputStream

I was surprised to find today that I couldn't track down any simple way to write the contents of an InputStream to an OutputStream in Java. Obviously, the byte buffer code isn't difficult to write, but I suspect I'm just missing something which would make my life easier (and the code clearer). ...
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How to save a dictionary to a file?

I have problem with changing a dict value and saving the dict to a text file (the format must be same), I only want to change the member_phone field. ...
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Difference between DateTime and Time in Ruby

...s the difference between DateTime and Time classes in Ruby and what factors would cause me to choose one or the other? ...
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How to dynamically insert a tag via jQuery after page load?

I'm having problems getting this to work. I first tried setting my script tags as strings and then using jquery replaceWith() to add them to the document after page load: ...
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Understanding garbage collection in .NET

...wing very wrong conclusions because you are using a debugger. You'll need to run your code the way it runs on your user's machine. Switch to the Release build first with Build + Configuration manager, change the "Active solution configuration" combo in the upper left corner to "Release". Next, go...
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Is recursion ever faster than looping?

... examples. In Java, C, and Python, recursion is fairly expensive compared to iteration (in general) because it requires the allocation of a new stack frame. In some C compilers, one can use a compiler flag to eliminate this overhead, which transforms certain types of recursion (actually, certain t...
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Xcode/Simulator: How to run older iOS version?

I'm thinking of upgrading to iOS SDK 4.2. But what I'm wondering is if I'll still be able to run the simulator as iOS 3.2. This is because I'm creating iAds for iPad but I still want to check if my program will run with iOS 3.2. ...
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Why are local variables not initialized in Java?

... Local variables are declared mostly to do some calculation. So its the programmer's decision to set the value of the variable and it should not take a default value. If the programmer, by mistake, did not initialize a local variable and it take default value, t...
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How to alter SQL in “Edit Top 200 Rows” in SSMS 2008

...agement Studio, when I right click on a database table and choose " Select Top 100 Rows ", I can then e.g. easily add a "ORDER BY " statement to the SQL. That works fine . ...
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Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]

...emote Mac OS X virtual machine. Does such a service exist? (iCloud looks to be just a data storage service, rather than a service allowing remote login, etc.) ...