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Jackson databind enum case insensitive
...readValue("{ \"testEnum\": \"one\" }", TestObject.class);
TestObject mixedcase =
objectMapper.readValue("{ \"testEnum\": \"oNe\" }", TestObject.class);
if (uppercase.testEnum != TestEnum.ONE) throw new Exception("cannot deserialize uppercase value");
if (lowercase.testEnu...
Convert a JSON String to a HashMap
...The JSR 353 code doesn't have a "JSONObject". I don't recommend that you mix JSON technologies. Pick one or the other.
– Kolban
Jan 31 '15 at 23:38
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Do the JSON keys have to be surrounded by quotes?
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You are mixing up three different things: JSON, JavaScript object literals, and browser developer tools console output. When you type your obj in the console, the browser displays some human-readable representation of the object. It ...
Which websocket library to use with Node.js? [closed]
...d it less intrusive and more straight forward. With it was also trivial to mix websockets with rest services. Shared simple code on this post.
var WebSocketServer = require("ws").Server;
var http = require("http");
var express = require("express");
var port = process.env.PORT || 5000;
var app = ex...
Regular Expression for alphanumeric and underscores
...], which is pretty much what you want. (unless we introduce unicode to the mix)
Using the + quantifier you'll match one or more characters. If you want to accept an empty string too, use * instead.
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How to convert xml into array in php?
...ple is only for the parts w/o a namespace (or the default one, I sometimes mix this).
– hakre
Dec 28 '19 at 18:38
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Fluent and Query Expression — Is there any benefit(s) of one over other?
...s more concise with simple queries. You can get the best of both worlds by mixing query and method syntax. This is often done in LINQ to SQL queries:
var query =
from c in db.Customers
let totalSpend = c.Purchases.Sum (p => p.Price) // Method syntax here
where totalSpend > 1000
fro...
How to get a thread and heap dump of a Java process on Windows that's not running in a console
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You might be mixing up JDK and JRE, I explicitly mentioned JDK. See the documentation for the tools: download.oracle.com/javase/6/docs/technotes/tools/share/… and download.oracle.com/javase/6/docs/technotes/tools/share/…
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Django set field value after a form is initialized
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To throw yet another way into the mix: this works too, with a bit more modern notation. It just works around the fact that a QueryDict is immutable.
>>> the_form.data = {**f.data.dict(), 'some_field': 47}
>>> the_form['some_field'].as_widge...
Changing the current working directory in Java?
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You seem to be mixing up environment variables and properties. The former gets inherited from the OS while the latter can be defined on the command line using -D. But I agree, on JVM start predefined properties like user.dir get copied from...