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How to write regexp to get a paramater from URL


By : Ricardo De Wilde
Date : October 17 2020, 08:10 AM
should help you out I need help with a regexp to get only the code parameter from this url: , It works for me!!!
code :
function getUrlParameterByName(name) {
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
    results = regex.exec(location.search);
    return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}


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How to write this regexp?


By : Andi
Date : March 29 2020, 07:55 AM
hope this fix your issue I am validating a field which may NOT be anything but numbers, but may include a space or a minus-sign. , Try this regular expression:
code :
^(?=(?:\D*\d){5})[\d -]{5,20}$

How to write regexp?


By : Dean Wolfe
Date : March 29 2020, 07:55 AM
wish help you to fix your issue how to write regexp in Jquery , you can either write
code :
var pattern = /abc/[modifiers];
var pattern = new Regex("abc",[modifiers]);

How to write such regexp


By : rathan sharma
Date : March 29 2020, 07:55 AM
I hope this helps . Your first try was nearby correct. Just change ((?!#file .*).)* to ((?:(?!#file).)*) and also add the modifier g to get all occurrences.
It should look than like this: /#file "([^"]*)";;((?:(?!#file).)*)/gims

how to write an opencv function that take one image as paramater and returns 2 images


By : harshad humane
Date : March 29 2020, 07:55 AM
around this issue You can return several images by passing them by reference as function arguments. Example:
code :
void myFunction(const cv::Mat& input_image, cv::Mat &output1, cv::Mat &output2) {
    // modify output1
    input_image.copyTo(output1);
    rectangle(output1, cv::Rect(10,10,100,100), cv::Scalar(0,0,255), 2);

    // modify output2
    cvtColor(input_image,output2,CV_RGB2GRAY); 
}

int main() {
    cv::Mat input_image = imread("sample.jpg");
    cv::Mat out1, out2;

    myFunction(input_image, out1, out2);

    // now out1 and out2 are modified by myFunction
}

How to write a route that targets an action from a path paramater


By : user3754793
Date : March 29 2020, 07:55 AM
I hope this helps . There are different ways to do this. I might suggest that you don't need the different actions in your controller, but just have different cases in a single action that respond to a url param (ex bar). That would be more inline with conventions.
However, you can accomplish what you want with the following.
code :
'/some/url/path/foo/:action': {
     controller: 'FooController',
     action: 'getAction'
}
FooController.getAction = function(req,res,next){

    return sails.controllers.foo[req.param.action](req,res,next)

}
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