大约有 22,000 项符合查询结果(耗时:0.0320秒) [XML]

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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]

... I had a similar issue. In my case, I wanted to map an array of strings. I followed Barry's advice and finally got it working. Here is what some of the code looks like (which will hopefully clarify things for anyone else who runs into this)... My Entity looks something like this: @int...
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Python time measure function

... return wrap Note I'm calling f.func_name to get the function name as a string(in Python 2), or f.__name__ in Python 3. share | improve this answer | follow ...
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Change MySQL default character set to UTF-8 in my.cnf?

Currently we are using the following commands in PHP to set the character set to UTF-8 in our application. 18 Answers ...
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How to add an extra column to a NumPy array

...this is a better answer than the accepted one, because it covers adding an extra column at the beginning and at the end, not just at the end as the other answers – Ay0 Jul 23 '15 at 11:02 ...
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Create a unique number with javascript time

...bit of processing: var now = new Date(); timestamp = now.getFullYear().toString(); // 2011 timestamp += (now.getMonth < 9 ? '0' : '') + now.getMonth().toString(); // JS months are 0-based, so +1 and pad with 0's timestamp += ((now.getDate < 10) ? '0' : '') + now.getDate().toString(); // pad ...
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Iterate two Lists or Arrays with one ForEach statement in C#

...(T), secondEnumerator.Current); } } static void Test() { IList<string> names = new string[] { "one", "two", "three" }; IList<int> ids = new int[] { 1, 2, 3, 4 }; foreach (KeyValuePair<string, int> keyValuePair in ParallelEnumerate(names, ids)) { Consol...
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What are the differences between JSON and JSONP?

... JSONP is JSON with padding. That is, you put a string at the beginning and a pair of parentheses around it. For example: //JSON {"name":"stackoverflow","id":5} //JSONP func({"name":"stackoverflow","id":5}); The result is that you can load the JSON as a script file. If ...
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String comparison: InvariantCultureIgnoreCase vs OrdinalIgnoreCase? [duplicate]

... If you really want to match only the dot, then StringComparison.Ordinal would be fastest, as there is no case-difference. "Ordinal" doesn't use culture and/or casing rules that are not applicable anyway on a symbol like a .. ...
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How do I write a “tab” in Python?

... code: f = open(filename, 'w') f.write("hello\talex") The \t inside the string is the escape sequence for the horizontal tabulation. share | improve this answer | follow ...
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What are the differences between type() and isinstance()?

...omething else (using the argument "as if" it was of some other type). basestring is, however, quite a special case—a builtin type that exists only to let you use isinstance (both str and unicode subclass basestring). Strings are sequences (you could loop over them, index them, slice them, ...), b...