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Infinite Recursion with Jackson JSON and Hibernate JPA issue
...rialized, in order to avoid the infite loop that causes your stackoverflow error.
So, Jackson takes the forward part of the reference (your Set<BodyStat> bodyStats in Trainee class), and converts it in a json-like storage format; this is the so-called marshalling process. Then, Jackson looks ...
How is “=default” different from “{}” for default constructor and destructor?
...ble type. I.e. if you try to destruct a Widget, you'll get a compile-time error. But if you don't, you've got a working program.
Otoh, if you supply the user-provided destructor, then things won't compile whether or not you destruct a Widget:
test.cpp:8:7: error: field of type 'A' has private de...
android.view.InflateException: Binary XML file: Error inflating class fragment
I have a very frustrating error that I cannot explain. I created an Android application that uses Android AppCompat to make it compatible with older versions. Here is my main activity layout file:
...
The required anti-forgery form field “__RequestVerificationToken” is not present Error in user Regis
I am using Membership.create user function, then the following error is occurring,
19 Answers
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YAML current date in rmarkdown
...sion, e.g.
date: "`r format(Sys.time(), '%d %B, %Y')`"
Then the parsing error will be gone, and the date will be generated in the markdown output so Pandoc can use the value from Sys.time().
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Idiomatic way to wait for multiple callbacks in Node.js
...readFile("file.json", function (err, val) {
if (err) {
console.error("unable to read file");
}
else {
try {
val = JSON.parse(val);
console.log(val.success);
}
catch (e) {
console.error("invalid json in file");
}
...
In C#, what is the difference between public, private, protected, and having no access modifier?
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I think there is an error in the diagram. If internal is used for a class, the class can be derived by another class in the same assembly. Also if the internal modifier is used on a property, this property can also be accessed in the derived cla...
Could not establish trust relationship for SSL/TLS secure channel — SOAP
...CertificateValidationCallback =
((sender, certificate, chain, sslPolicyErrors) => true);
// trust sender
System.Net.ServicePointManager.ServerCertificateValidationCallback
= ((sender, cert, chain, errors) => cert.Subject.Contains("YourServerName"));
// validate cert by ca...
How to prevent errno 32 broken pipe?
...IPE signal or setting a dummy signal handler for it. In this case a simple error will be returned when writing to a closed socket. In your case a python seems to throw an exception that can be handled as a premature disconnect of the client.
...
What is a NullPointerException, and how do I fix it?
...is appropriate to throw the NullPointerException because it's a programmer error and the programmer will need that information for debugging purposes. Please include the name of the object variable in the exception message, like
Objects.requireNonNull(a, "a");
Alternatively, there may be cases whe...