大约有 3,800 项符合查询结果(耗时:0.0178秒) [XML]

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Xcode 6 - How to pick signing certificate/provisioning profile for Ad-Hoc distribution?

... AlexHsiehAlexHsieh 123
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Remove rows with all or some NAs (missing values) in data.frame

...mptions -------------------- fakeData <- function(m, n, p){ set.seed(123) m <- matrix(runif(m*n), nrow=m, ncol=n) m[m<p] <- NA return(m) } df <- cbind( data.frame(id = paste0('ID',seq(row_size)), stringsAsFactors = FALSE), data.frame(fak...
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Java ArrayList - how can I tell if two lists are equal, order not mattering?

... Second "if" statement inside function can be simplified as if(one == null || two == null || one.size() != two.size()){ return false; } because you are already checking if both one and two are null – Hugo ...
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HTTP status code for update and delete?

...atus code is the request sent by the client is valid (DELETE mySite/entity/123) and the entity to delete does not exist. – Martin Dec 30 '11 at 21:27 69 ...
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How do I print a double value without scientific notation using Java?

... 123 You could use printf() with %f: double dexp = 12345678; System.out.printf("dexp: %f\n", dexp)...
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How to add a new row to an empty numpy array

...nswered May 6 '17 at 10:55 just4funjust4fun 30733 silver badges22 bronze badges ...
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Can JavaScript connect with MySQL?

...wered to an MVC model (Model, View, Controller) where we had the following functionality: MODEL: The model is what deals with the data, in this case, the PHP scripts that manage variables or that access data stored, in this case in our MySQL database and send it as JSON data to the client. VIEW: T...
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Why implement interface explicitly?

... Michael BMichael B 7,21233 gold badges2424 silver badges5252 bronze badges ...
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Why is using 'eval' a bad practice?

...d to be exploited sooner or later. Even an innocent input like: Let's have fun. will cause a syntax error and expose the vulnerability. – Nadia Alramli Dec 2 '09 at 16:20 18 ...
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Is 161803398 A 'Special' Number? Inside of Math.Random()

...arge) MSEED can be substituted for the above values. So it is mathematical fun, more or less.. So the correct answer should be: No. But it is based on Phi. – TaW May 15 '14 at 21:19 ...