大约有 7,000 项符合查询结果(耗时:0.0271秒) [XML]

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Flask SQLAlchemy query, specify column names

... For alias, view this brief answer below ie. use .label() stackoverflow.com/a/11535992/248616 – Nam G VU Mar 31 '18 at 3:38  |  ...
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How can I improve my paw detection?

...morphology.binary_fill_holes(thresh) coded_paws, num_paws = sp.ndimage.label(filled) data_slices = sp.ndimage.find_objects(coded_paws) return object_slices Blur the input data a bit to make sure the paws have a continuous footprint. (It would be more efficient to just use a larger ke...
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Efficiency of premature return in a function

...t a switch/case without breaks is exactly like the goto with daisy-chained labels below... As Mark B pointed out, in C++ it is considered good style to follow the Resource Aquisition is Initialization principle, RAII in short. The gist of the concept is to use object instantiation to aquire resourc...
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How to profile methods in Scala?

... You can add a label to your prints with some currying: def time[R](label: String)(block: => R): R = { then add the label to the println – Glenn 'devalias' Jan 7 '17 at 23:52 ...
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How to set size for local image using knitr for markdown?

...nt$get("fig.path") (path to figure directory) as well as opts_current$get("label") (label of current chunk) may be useful. The following example uses fig.path to include the second of two images which were generated (but not displayed) in the first chunk: ```{r generate_figures, fig.show = "hide"} l...
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How can I take more control in ASP.NET?

...rs</h1> <form action="FormPage.aspx" method="get"> <label for="parameter1TextBox"> Parameter 1:</label> <input type="text" name="param1" id="param1TextBox" value='<asp:Literal id="Param1ValueLiteral" runat="server" />'/> <label for="parame...
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Why do you use typedef when declaring an enum in C++?

...is not technically correct. It has three: Tags (enum, union, and struct) Labels (everything else) typedef enum { } XYZ; declares an anonymous enumeration and imports it into the global namespace with the name XYZ. typedef enum ABC { } XYZ; declares an enum named ABC in the tag namespace, then i...
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Split a vector into chunks in R

... chunk2 <- function(x,n) split(x, cut(seq_along(x), n, labels = FALSE)) share | improve this answer | follow | ...
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Is it a bad practice to use break in a for loop? [closed]

...mprove readability many languages (at least Java does) support breaking to labels which will greatly improve readability. int[] iArray = new int[]{0,1,2,3,4,5,6,7,8,9}; int[] jArray = new int[]{0,1,2,3,4,5,6,7,8,9}; // label for i loop iLoop: for (int i = 0; i < iArray.length; i++) { // la...
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How to make a great R reproducible example

...al.Width = c(0.2, 0.2, 0.2, 0.2), Species = structure(c(1L, 1L, 1L, 1L), .Label = c("setosa", "versicolor", "virginica"), class = "factor")), .Names = c("Sepal.Length", "Sepal.Width", "Petal.Length", "Petal.Width", "Species"), row.names = c(NA, 4L), class = "data.frame") If your data frame has...