大约有 46,000 项符合查询结果(耗时:0.0347秒) [XML]

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No ConcurrentList in .Net 4.0?

...read-safe, limited subset of IList<T>: in particular, one that would allow an Add and provide random read-only access by index (but no Insert, RemoveAt, etc., and also no random write access). This was the goal of my ConcurrentList<T> implementation. But when I tested its performance in...
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How can I troubleshoot my Perl CGI script?

...ral framework for working through problems with Perl CGI scripts and originally appeared on Perlmonks as Troubleshooting Perl CGI Scripts. It is not a complete guide to every problem that you may encounter, nor a tutorial on bug squashing. It is just the culmination of my experience debugging CGI ...
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How do I migrate a model out of one django app and into a new one?

... that one of these models should be in a separate app. I do have south installed for migrations, but I don't think this is something it can handle automatically. How can I migrate one of the models out of the old app into a new one? ...
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Best way to make Django's login_required the default

...p, the vast majority of which requires a login to access. This means that all throughout our app we've sprinkled: 9 Answer...
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Hash function that produces short hashes?

...m that's strong against intentional modification, I've found an algorithm called adler32 that produces pretty short (~8 character) results. Choose it from the dropdown here to try it out: http://www.sha1-online.com/ share ...
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How to set child process' environment variable in Makefile

... I have GNU make 3.81, and all: <\n\t>export PROJ_ROOT=$(CURDIR)<\n\t>echo $(PROJ_ROOT)<\n> outputs the correct expansion for the first row, but only echo for the second one. PROJ_ROOT is not set after running make. Spaces around = gi...
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A proper wrapper for console.log with correct line number?

... This is an old question and All the answers provided are overly hackey, have MAJOR cross browser issues, and don't provide anything super useful. This solution works in every browser and reports all console data exactly as it should. No hacks required...
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What is the instanceof operator in JavaScript?

...ce p inherits from Person.prototype. Per the OP's request I've added a small example with some sample code and an explanation. When you declare a variable you give it a specific type. For instance: int i; float f; Customer c; The above show you some variables, namely i, f, and c. The type...
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What does `m_` variable prefix mean?

...'re using something like intelliSense, you can start with m_ and a list of all your member variables are shown. Part of Hungarian notation, see the part about scope in the examples here. share | imp...
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How to enable C++11/C++0x support in Eclipse CDT?

..., find the Preprocessor Include Path and go to the Providers Tab. Deselect all except CDT GCC Builtin Compiler Settings. Then untag Share settings entries … . Add the option -std=c++11 to the text box called Command to get compiler specs. Go to paths and symbols. Under Symbols, click restore defau...