JSON parse
Top new questions this week: |
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Why are emoji characters like treated so strangely in Swift strings?The character (family with two women, one girl, and one boy) is encoded as such: U+1F469 WOMAN, U+200D ZWJ, U+1F469 WOMAN, U+200D ZWJ, U+1F467 GIRL, U+200D ZWJ, U+1F466 BOY So it’s very …
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Why does JSON.parse([‘1234’]) return 1234?I am having problems understanding the behavior of JSON.parse. JSON.parse should work for only strings. But it seems to work for an array which contains only one string (even single quoted), if the …
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Does the C++ standard guarantee that uniform initialization is exception-safe?#include <iostream> using namespace std; struct A { A() { cout << “A” << endl; } ~A() { cout << “~A” << endl; } }; A Ok() { return {}; } A NotOk() { throw …
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Are all integer values perfectly represented as doubles?My question is whether all integer values are guaranteed to have a perfect double representation. Consider the following code sample that prints “Same”: // Example program #include <iostream> …
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why is #include<string> preventing a stackoverflow error here?This is my sample code: #include<iostream> #include<string> using namespace std; class MyClass { string figName; public: MyClass(const string& s) { figName = s; …
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Get enum values via reflection from nested enum in generic classI need to print out enum values and their corresponding underyling values from certain types i accquire through reflection. This works fine most of the time. However if the enum is declared within a …
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std::bind on a generic lambda – auto type deductionConsider the following code: #include <iostream> #include <functional> int main() { auto run = [](auto&& f, auto&& arg) { …
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Greatest hits from previous weeks: |
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Validate email address in JavaScript?How can an email address be validated in JavaScript?
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What is the maximum value for an int32?I can never remember the number. I need a memory rule.
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Can you answer these? |
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Shallow-copying into a protocol buffer’s bytes fieldSuppose I have a proto with a bytes field: message MyProto { optional bytes data = 1; } An API that I do not control gives me a pointer to source data and its size. I want to make a MyProto out …
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Dynamically creating Akka Stream Flows at RuntimeI’m currently trying to dynamically create Akka Stream graph definitions at runtime. The idea being that users will be able to define flows interactively and attach them to existing/running …
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How does Shopify make their liquid templates safe (avoid XSS)?Shopify automatically escapes values if they are used in not safe way, but I have not found this feature in liquid gem. Example: template: <div data=”{{ user_name }}”>{{ user_name … |