[Solved] Golang not producing error when decoding “{}” body into struct

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{} is just an empty Json object, and it will decode fine to your Operandsstruct, as the struct is not required to have anything in the Operands array. You need to validate that yourself, e.g. err := json.NewDecoder(req.Body).Decode(&operands) if err != nil || len(operands.Values) == 0{ solved Golang not producing error when decoding “{}” body … Read more

[Solved] Java and incrementing strings

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You can’t apply the ++ operator to a string, but you can implement this logic yourself. I’d go over the string from its end and handle each character individually until I hit a character that can just be incremented simply: public static String increment(String s) { StringBuilder sb = new StringBuilder(s); boolean done = false; … Read more

[Solved] How can I use data in the child component that are updated in parent component using Vue.js?

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One solution is to use the sync modifier along with computed getters and setters: Parent Component <template> … <PaymentMethod :method.sync=”method” :term.sync=”term”/> … <b-btn class=”float-right” variant=”primary” @click=”add”> OK </b-btn> … </template> <script> export default { data () { return { method: null, term: null } }, … } </script> Child Component <template> … <b-form-select v-model=”_method” :options=”methodOptions” … Read more

[Solved] Pop() function for stack in C

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It would help to see how you push items onto the stack. If you’re really calling pop without a push first, well, then it’s not supposed to do anything, is it? This bit makes me nervous: Node *aux,*prev; prev = *stack; aux = prev->next; if(aux == NULL) { free(prev); return; } You set prev to … Read more

[Solved] Visual Studio C++ structure on Github

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VS doesn’t create directories for you. The view you see is “filters”. Organization on the disk is flat unless you tell it otherwise, and it’s moderately painful. The project on github will reflect the directory structure, not VS’s “filters”. 1 solved Visual Studio C++ structure on Github

[Solved] Two dimensional array in AngularJS [duplicate]

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You have to create a table in your view like this: <table class=”game-board” ng-controller=”GameBoardController as gameBoard”> <tr ng-repeat=”row in boardArr”> <td ng-repeat=”col in row”>{{ col }}</td> </tr> </table> So ng-repeat will iterate over boardArr and then you can display the values in different cells like I did above. You don’t have to access the value … Read more

[Solved] How to build a powerful crawler like google’s? [closed]

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For Python you could go with Frontera by Scrapinghub https://github.com/scrapinghub/frontera https://github.com/scrapinghub/frontera/blob/distributed/docs/source/topics/distributed-architecture.rst They’re the same guys that make Scrapy. There’s also Apache Nutch which is a much older project. http://nutch.apache.org/ 1 solved How to build a powerful crawler like google’s? [closed]

[Solved] There is no error but nothing is printed, but if I print inside the while loop then it is printed multiple times. How do I fix this? [closed]

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There is no error but nothing is printed, but if I print inside the while loop then it is printed multiple times. How do I fix this? [closed] solved There is no error but nothing is printed, but if I print inside the while loop then it is printed multiple times. How do I fix … Read more

[Solved] How to retain old value when setting variable on c# class

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One way to do it would be to have a new property on your myClass public class myClass { private string _setString; public string setString { get { return _setString; } set { AuditTrail += value; _setString = value; } } public string AuditTrail{get;set;} } Then in your main method you’d put: Console.WriteLine(AuditTrail); 0 solved … Read more

[Solved] How to intergate web application like Google Calendar?

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Since this question can’t be closed because there is a bounty on it, I’ll add an answer to it: What you are looking for is called an “embeddable widget”. The idea is that you provide your end user (developer/webmaster) with a piece of javascript that will: If needed pull in more javascript from your server. … Read more