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Simple Digit Recognition OCR in OpenCV-Python
...size(ROI,tmp1, Size(10,10), 0,0,INTER_LINEAR ); //resize to 10X10
tmp1.convertTo(tmp2,CV_32FC1); //convert to float
sample.push_back(tmp2.reshape(1,1)); // Store sample data
imshow("src",src);
int c=waitKey(0); // Read corresponding label for contour from keyoard
c-=0x30; //...
What is the difference between .text, .value, and .value2?
... I would probably use Format to control how the number gets converted to a string: var = Format(Range("a1").Value2, "#")
– Charles Williams
Jan 22 '15 at 13:16
2
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What is the explicit promise construction antipattern and how do I avoid it?
...a programming language.
You should only use deferred objects when you are converting an API to promises and can't do it automatically, or when you're writing aggregation functions that are easier expressed this way.
Quoting Esailija:
This is the most common anti-pattern. It is easy to fall in...
LINQ Contains Case Insensitive
...
StartWith converts to LIKE 'hello%' ?
– Bart Calixto
Jun 30 '14 at 19:13
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Combine Date and Time columns using python pandas
...etime64[ns]
Note: surprisingly (for me), this works fine with NaNs being converted to NaT, but it is worth worrying that the conversion (perhaps using the raise argument).
share
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improve this ans...
Async/await vs BackgroundWorker
...e DoWork, RunWorkerCompleted, and ProgressChanged event handlers.
If you "converted" that to async/await, you'd do something like:
IProgress<int> progress = new Progress<int>();
progress.ProgressChanged += ( s, e ) =>
{
// TODO: do something with e.Prog...
Reverse of JSON.stringify?
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I read the OP as saying "I converted a javascript object to a JSON string, and now I want to convert it back - how do I do it?" All the other answers say just use JSON.parse. I'm just warning that theres a lot of cases that will not handle correctly. I...
Jackson overcoming underscores in favor of camel-case
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You can configure the ObjectMapper to convert camel case to names with an underscore:
objectMapper.setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
Or annotate a specific model class with this annotation:
@JsonNaming(PropertyNamingStrategy.SnakeC...
Load dimension value from res/values/dimension.xml from source code
...ics associated with the resources." when all they want to say is that they convert to pixels.
– Trilarion
Dec 12 '15 at 22:31
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Read an Excel file directly from a R script
... into personally. Fields with numbers with comma's need to be stripped and converted to numeric in R. Fields with "-" need to be recoded to NA. Overall recommendation is to really look at your numbers in Excel and ensure that they are being translated correctly into R.
– Brando...