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XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
...s to be an open issue (as of Jan 2011).
See also: Problems with jQuery getJSON using local files in Chrome
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CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
...个只要我们安装是启用FastCGI即可。此次我们安装PHP不仅使用了FastCGI，而且还使用了PHP-FPM这么一个东东，PHP-FPM说白了是一个管理FastCGI的一个管理器，它作为PHP的插件纯在，在安装PHP要想使用PHP-FPM时就需要把PHP-FPM以补丁的形式...
Command to remove all npm modules globally?
...TY errors when running npm install again. I had to delete my package-lock.json file as well.
– ToastyMallows
Apr 25 '18 at 16:00
1
...
assign multiple variables to the same value in Javascript
...eRight,
mouseDown, touchDown] = Array(6).fill(false);
console.log(JSON.stringify({
moveUp, moveDown,
moveLeft, moveRight,
mouseDown, touchDown
}, null, ' '));
// NOTE: If you want to do this with objects, you would be safer doing this
let [obj1, obj2, obj3] = Array(3).f...
Typescript: difference between String and string
... setData(key: String = ``, data: object) {
sessionStorage.setItem(key, JSON.stringify(data));
}
getData(key: String = ``) {
const obj = JSON.parse(sessionStorage.getItem(key));
}
}
string primitive
// ok
class SVGStorageUtils {
store: object;
constructor(store: object) {
th...
What Are the Differences Between PSR-0 and PSR-4?
... see the namespaces and the directories that they are mapped to.
composer.json
"autoload": {
"psr-0": {
"Book\\": "src/",
"Vehicle\\": "src/"
}
}
Looking for Book\History\UnitedStates in src/Book/History/UnitedStates.php
Looking for Vehicle\Air\Wings\...
Preserve line breaks in angularjs
...lt;pre> wrapper will print text with \n as text
also if you print the json, for better look use json filter, like:
<div ng-repeat="item in items">
<pre>{{item.description|json}}</pre>
</div>
Demo
I agree with @Paul Weber that white-space: pre-wrap; is better appr...
Ways to implement data versioning in MongoDB
...ame time.
UPDATE: 2015-10
It looks like there is now a spec for handling JSON diffs. This seems like a more robust way to store the diffs / changes.
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Deep copying an NSArray
...
I have a workaround if trying to achieve deep copy for JSON compatible data.
Simply take NSData of NSArray using NSJSONSerialization and then recreate JSON Object, this will create a complete new and fresh copy of NSArray/NSDictionary with new memory references of them.
But mak...
How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?
... function foo() {
var res = await fetch(url)
console.log(res.ok)
var json = await res.json()
console.log(json)
}
Edit
chrome is working on Disallowing sync XHR in page dismissal when the page is being navigated away or closed by the user. This involves beforeunload, unload, pagehide and vi...