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How do I store an array in localStorage? [duplicate]
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localStorage only supports strings. Use JSON.stringify() and JSON.parse().
var names = [];
names[0] = prompt("New member name?");
localStorage.setItem("names", JSON.stringify(names));
//...
var storedNames = JSON.parse(localStorage.getItem("names"));
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update package.json version automatically
Before I do a small release and tag it, I'd like to update the package.json to reflect the new version of the program.
11 A...
How to clean node_modules folder of packages that are not in package.json?
...ume I install project packages with npm install that looks into package.json for modules to be installed. After a while I see that I don't need some specific module and remove its dependency from package.json . Then I remove some other modules from package.json because they are not needed any...
Pure JavaScript Send POST Data Without a Form
...("POST", yourUrl, true);
xhr.setRequestHeader('Content-Type', 'application/json');
xhr.send(JSON.stringify({
value: value
}));
By the way, for get request:
var xhr = new XMLHttpRequest();
// we defined the xhr
xhr.onreadystatechange = function () {
if (this.readyState != 4) return;
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Convert Newtonsoft.Json.Linq.JArray to a list of specific object type
I have the following variable of type {Newtonsoft.Json.Linq.JArray} .
6 Answers
6
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How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
I'm using Spring MVC for a simple JSON API, with @ResponseBody based approach like the following. (I already have a service layer producing JSON directly.)
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JavaScript/jQuery to download file via POST with JSON data
...n do you get rid of the files). And like you, my data was complex, nested JSON objects that would be hard to put into a form.
What I did was create two server functions. The first validated the data. If there was an error, it would be returned. If it was not an error, I returned all of the para...
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我一跃站上滴滴天台的护栏，不远处的3公里应该就是百度总部，...
differences in application/json and application/x-www-form-urlencoded
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The first case is telling the web server that you are posting JSON data as in:
{ Name : 'John Smith', Age: 23}
The second option is telling the web server that you will be encoding the parameters in the URL as in:
Name=John+Smith&Age=23
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How to get key names from JSON using jq
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You can use:
$ jq 'keys' file.json
$ cat file.json:
{ "Archiver-Version" : "Plexus Archiver", "Build-Id" : "", "Build-Jdk" : "1.7.0_07", "Build-Number" : "", "Build-Tag" : "", "Built-By" : "cporter", "Created-By" : "Apache Maven", "Implementation-Titl...