大约有 40,000 项符合查询结果(耗时:0.0835秒) [XML]

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Javascript calculate the day of the year (1 - 366)

... This works across Daylight Savings Time changes in all countries (the "noon" one above doesn't work in Australia): Date.prototype.isLeapYear = function() { var year = this.getFullYear(); if((year & 3) != 0) return false; return ((year % 100) != 0 || (year % 4...
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Is there a way to check if int is legal enum in C#?

...ple { public static void Main() { object value; // Call IsDefined with underlying integral value of member. value = 1; Console.WriteLine("{0}: {1}", value, Enum.IsDefined(typeof(PetType), value)); // Call IsDefined with invalid underlying integral value. ...
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Non greedy (reluctant) regex matching in sed?

... For doing it in place use options -pi -e. – reallynice Dec 10 '13 at 17:27 13 ...
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What is tail recursion?

...return x; } else { return x + recsum(x - 1); } } If you called recsum(5), this is what the JavaScript interpreter would evaluate: recsum(5) 5 + recsum(4) 5 + (4 + recsum(3)) 5 + (4 + (3 + recsum(2))) 5 + (4 + (3 + (2 + recsum(1)))) 5 + (4 + (3 + (2 + 1))) 15 Note how every recur...
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Using IQueryable with Linq

...t;T>. Say, for example, you have a Products table, and you want to get all of the products whose cost is >$25. If you do: IEnumerable<Product> products = myORM.GetProducts(); var productsOver25 = products.Where(p => p.Cost >= 25.00); What happens here, is the database loads ...
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How can I plot separate Pandas DataFrames as subplots?

...d indices. When invoking df.plot() , I get separate plot images. what I really want is to have them all in the same plot as subplots, but I'm unfortunately failing to come up with a solution to how and would highly appreciate some help. ...
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How can I remove a specific item from an array?

... first match of 5 from [2,5,9,1,5,8,5]), while the second function removes all occurrences: function removeItemOnce(arr, value) { var index = arr.indexOf(value); if (index > -1) { arr.splice(index, 1); } return arr; } function removeItemAll(arr, value) { var i = 0; ...
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WAMP/XAMPP is responding very slow over localhost

...t the problem is. WAMP was very slow, so I reformatted my computer and installed WAMP. Still, accessing localhost is very, very slow, and sometimes it doesn't even load at all. I even removed it and replaced it with XAMPP, but I still got the same result. What might possibly be the problem? Here's m...
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How to replace multiple white spaces with one white space

...on isn't as simple as other posters have made it out to be (and as I originally believed it to be) - because the question isn't quite precise as it needs to be. There's a difference between "space" and "whitespace". If you only mean spaces, then you should use a regex of " {2,}". If you mean any wh...
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Best way to get InnerXml of an XElement?

...(0.364) Method I used a single XML document with 20 identical nodes (called 'hint'): <hint> <strong>Thinking of using a fake address?</strong> <br /> Please don't. If we can't verify your address we might just have to reject your application. </hint> The...