attributes

问题 I am trying to use weak function in a class in C++. Below is what I wrote: #include <stdio.h> #include <iostream> class A { public: void func(int argc, char *argv[]) __attribute__((weak)); }; // optional definition: #if 0 void A::func(int argc, char *argv[]) { printf("In func()\n"); for(int aa = 0; aa < argc; aa++){ printf("arg %d = %s \n", aa, argv[aa]); } } #endif int main(int argc, char *argv[]) { A a1; if (a1.func){ a1.func(argc, argv); } else { printf("func() not available\n"); } return

问题 I want to display the Brand attribute from the Additional Info on the product page. Is there a way to create a shortcode because i have a specific location to display it or even in php. This is for woocommerce 3.6.5 Thank you in advance 回答1: You can add the follows code snippet in your active theme's functions.php to do the above - // to display product additional info in product page add_action( 'woocommerce_single_product_summary', 'show_additional_info_product_summary', 45 ); // To diplay

问题 I'm looking to map multiple XML attributes in nested elements into a single POCO class using the XmlSerializer object. XML <products grand-total="100"> <one price="50" /> <two price="20" /> <tree price="30" /> </products> POCO public class Product { public int GrandTotal { get; set; } public int OnePrice { get; set; } public int TwoPrice { get; set; } public int ThreePrice { get; set; } } C# var doc = XDocument.Load("XmlDoc.xml"); var serializer = new XmlSerializer(typeof(Product)); var

问题 I trying to replace the src , href value but with a small modified using regex Simple example //Find: <img src="icons/google-icon.svg" > //Replace to: <img src="{{asset('icons/google-icon.svg')}}" > //Find: <link href="css/style.css"> //Replace to: <link href="{{asset('css/style.css')}}"> /** etc... */ Now this is my regex: //Find: src\s*=\s*"(.+?)" //Replace to: src="{{ asset('$1') }}" And its work very great actually but its only for src not [ href , src ], also I want to exclude any value

问题 I trying to replace the src , href value but with a small modified using regex Simple example //Find: <img src="icons/google-icon.svg" > //Replace to: <img src="{{asset('icons/google-icon.svg')}}" > //Find: <link href="css/style.css"> //Replace to: <link href="{{asset('css/style.css')}}"> /** etc... */ Now this is my regex: //Find: src\s*=\s*"(.+?)" //Replace to: src="{{ asset('$1') }}" And its work very great actually but its only for src not [ href , src ], also I want to exclude any value

问题 there is html structure: <a onclick="setString()"> <img alt="no" /> </a> I need to get attribute of a ,that had been clicked,e.g. alt . How to know with setString() js function , image with what alt attribute is clicked? I assume,that somehow with this ,but don't know how. 回答1: I would change my HTML to remove the bits that aren't needed... <img alt="no" onclick="setString(this.alt);" /> Rather than wrapping the image in an anchor tag, style it with CSS if you want... cursor: pointer; 回答2:

问题 I can use a function's attribute to set a status flag, such as def Say_Hello(): if Say_Hello.yet == True: print('I said hello already ...') elif Say_Hello.yet == False: Say_Hello.yet = True print('Hello!') Say_Hello.yet = False if __name__ == '__main__': Say_Hello() Say_Hello() and the output is Hello! I said hello already ... However, when trying to put the function in a class, like class Speaker: def __init__(self): pass def Say_Hello(self): if self.Say_Hello.yet == True: print('I said

问题 I'm an extreme novice. My goal is to scrape reddit posts and comments from the subreddit r/Coronavirus by the searchterm "smokers". I keep getting "AttributeError: 'MoreComments' object has no attribute 'body'" referring to the "commentsDict["Body"].append(topLevelComments.body)" line. There are two other lines using the (topLevelComments.author, .score, and .body) that keep causing it to crash. When I comment out all of the lines with ".append(topLevelComments. )it returns: ValueError(

问题 Slightly different from previous questions. I have found here: front_Ar is a list of objects with a score attribute. I am trying to get a list of all objects with the highest score. I have tried: maxind = [] maxInd.append(max(front_Ar, key=attrgetter('score'))) which stored only one object (presumably the first one it found). Any idea how can this be done? 回答1: Find the max score first, then filter the list based on that score: max_score = max(front_Ar, key=attrgetter('score')).score max_ind

问题 I have the following XSD (part of the XSD) <xs:element name="sourceValue" minOccurs="0" maxOccurs="unbounded"> <xs:complexType> <xs:simpleContent> <xs:extension base="xs:normalizedString"> <xs:attribute name="label" type="xs:normalizedString" use="required"/> </xs:extension> </xs:simpleContent> </xs:complexType> </xs:element> In my XML I have: <?xml version="1.0" encoding="UTF-8"?> <Record xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="assertion.xsd">