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What to return if Spring MVC controller method doesn't return value?
I am using jQuery's $.getJSON() to make asynchronous calls to my simple Spring MVC backend. Most of the Spring controller methods look like this:
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pass string parameter in an onclick function
... Great solution! If you need to pass Arrays or Objects just use JSON.stringify(obj) in the HTML and JSON.parse(event.target.getAttribute('data-arg')) in the JavaScript-layer
– leonheess
Jul 4 '19 at 8:25
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mfc里面的140种颜色宏 - C/C++ - 清泛网 - 专注C/C++及内核技术
mfc里面的140种颜色宏MFC编码是需要配色的，可以参考使用。#pragma once #define CLR_LIGHTPINK RGB(255, 182, 193) ...mfc编码时需要配色的，可以参考使用。
#pragma once
#define CLR_LIGHTPINK RGB(255, 182, 193) // 浅粉红
#...
Update Angular model after setting input value with jQuery
... var li_cuboid_id = $('#li_cuboid_id'); li_cuboid_id.val(json.cuboidId).change(); var scope = angular.element($("#li_cuboid_id")).scope(); scope.$apply(function(){ scope.cuboidId = json.cuboidId; }); the hidden variable is defined as: ...
Composer install error - requires ext_curl when it's actually enabled
... php composer.phar install to get the dependencies listed in your composer.json file.
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Structs in Javascript
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I use objects JSON style for dumb structs (no member functions).
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google oauth2 redirect_uri with several parameters
...ri as
state=THE_STATE_PARAMETERS
So for your case,do this:
/1. create a json string of your parameters ->
{ "a" : "b" , "c" : 1 }
/2. do a base64UrlEncode , to make it URL safe ->
stateString = base64UrlEncode('{ "a" : "b" , "c" : 1 }');
This is a PHP example of base64UrlEncoding &am...
What's the difference between console.dir and console.log?
...rints the element in an HTML-like tree
console.dir prints the element in a JSON-like tree
Specifically, console.log gives special treatment to DOM elements, whereas console.dir does not. This is often useful when trying to see the full representation of the DOM JS object.
There's more information...
Defining an array of anonymous objects in CoffeeScript
...ed coding but for large object literals it's not much better than standard JSON as you have to balance up all the brackets and you end up with nasty trailing bracket soup. There was a ticket to resolve this and use YAML syntax but apparently there is parsing ambiguity in coffeescript to solve this w...
Mongoose populate after save
...way to do it.
post.save(function(err) {
if (err) {
return res.json(500, {
error: 'Cannot save the post'
});
}
post.populate('group', 'name').populate({
path: 'wallUser',
select: 'name picture'
}, function(err, doc) {
res.json(doc);
});
}...