That unexpected “u” is the first letter of the string “undefined”. It happens because your two asynchronous operations (i.e. loading the JSON and loading the window) are racing to completion, and if the JSON isn’t loaded fast enough, the window.onload method will attempt to parse the JSON string that isn’t loaded yet. A solution is to move … Read more
I need to know the most efficient way of installing JQ on Mac (El Capitan). The code is downloaded to my Mac but I would like to know how I can install and operate it via the command line.
Technically YAML is a superset of JSON. This means that, in theory at least, a YAML parser can understand JSON, but not necessarily the other way around. See the official specs, in the section entitled “YAML: Relation to JSON”. In general, there are certain things I like about YAML that are not available in JSON. As @jdupont … Read more
I get this error “uncaught syntaxerror unexpected token U” when I run my page in chrome. And in firefox I get, “JSON.parse: unexpected character”. I’m returning the json data from a php file and the returning json string is valid. I checked it with http://jsonlint.com/ . Any help would be appreciated… Thanks. Here’s the returned JSON string
From the error, I infer that referenceElement is a dictionary (see repro below). A dictionary cannot be hashed and therefore cannot be used as a key to another dictionary (or itself for that matter!). You probably meant either for element in referenceElement.keys() or for element in json[‘referenceElement’].keys(). With more context on what types json and referenceElement are and what they contain, we will be … Read more
Try this in the console: Here is what you will get: In other words, your app is attempting to parse undefined, which is not valid JSON. There are two common causes for this. The first is that you may be referencing a non-existent property (or even a non-existent variable if not in strict mode). The second … Read more
Adapted from this post on Processing JSON with jq, you can use the select(bool) like this:
The jsonify() function in flask returns a flask.Response() object that already has the appropriate content-type header ‘application/json’ for use with json responses. Whereas, the json.dumps() method will just return an encoded string, which would require manually adding the MIME type header. See more about the jsonify() function here for full reference. Edit: Also, I’ve noticed … Read more
With ES2017 async/await support, this is how to POST a JSON payload: Expand snippet Can’t use ES2017? See @vp_art’s answer using promises The question however is asking for an issue caused by a long since fixed chrome bug.Original answer follows. chrome devtools doesn’t even show the JSON as part of the request This is the … Read more
Update: As of Notepad++ v7.6, use Plugin Admin to install JSTool per this answer INSTALL Download it from http://sourceforge.net/projects/jsminnpp/ and copy JSMinNpp.dll to plugin directory of Notepad++. Or you can just install “JSTool” from Plugin Manager in Notepad++. New Notepad++ install and where did PluginManager go? See How to view Plugin Manager in Notepad++ Tip: … Read more