大约有 43,000 项符合查询结果(耗时:0.0549秒) [XML]

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64-bit version of Boost for 64-bit windows

...As a longer answer, here are my build notes for having VS .NET 2008 32-bit and 64-bit boost libraries in the same hierarchy (which is I suspect a common use case): Build the win32 binaries bjam --toolset=msvc-9.0 --build-type=complete stage Create the directory lib\win32 Move the contents of sta...
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Test for multiple cases in a switch, like an OR (||)

...nywhere... thank you @SLaks for you're answer too. – Andres Jun 29 '11 at 14:40 ...
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How to make a class JSON serializable

...you want more customized output then you will have to subclass JSONEncoder and implement your own custom serialization. For a trivial example, see below. >>> from json import JSONEncoder >>> class MyEncoder(JSONEncoder): def default(self, o): return o.__dict_...
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How to calculate the difference between two dates using PHP?

...s answer below You can use strtotime() to convert two dates to unix time and then calculate the number of seconds between them. From this it's rather easy to calculate different time periods. $date1 = "2007-03-24"; $date2 = "2009-06-26"; $diff = abs(strtotime($date2) - strtotime($date1)); $year...
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Return a “NULL” object if search result not found

...< T > that matched a specific parameter, I would return that object and if the object was not found in the collection, I would return null . Then in my calling function I would just check if(tResult != null) { ... } ...
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Change old commit message on Git

... It says: When you save and exit the editor, it will rewind you back to that last commit in that list and drop you on the command line with the following message: $ git rebase -i HEAD~3 Stopped at 7482e0d... updated the gemspec to hopefully work be...
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Convert command line arguments into an array in Bash

How do I convert command-line arguments into a bash script array? 7 Answers 7 ...
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Python Image Library fails with message “decoder JPEG not available” - PIL

...o be able to process jpegs with pillow (or PIL), so you need to install it and then recompile pillow. It also seems that libjpeg8-dev is needed on Ubuntu 14.04 If you're still using PIL then you should really be using pillow these days though, so first pip uninstall PIL before following these instr...
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Check if a given key already exists in a dictionary and increment it

...ording to his example, it should be enough to set "defaultdict(lambda: 0)" and skip the entire "if" clause. – Deestan Jan 23 '09 at 14:57 ...
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How can I tell when HttpClient has timed out?

... a TaskCanceledException if it has timed out. Additionally, GetStringAsync and GetStreamAsync internally handle timeout, so they will NEVER throw. string baseAddress = "http://localhost:8080/"; var client = new HttpClient() { BaseAddress = new Uri(baseAddress), Timeout = TimeSpan.FromMil...