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How to set the prototype of a JavaScript object that has already been instantiated?
... 12 years ago.
... the lack of stratification is a problem (consider JSON data with a key "__proto__"). And worse, the mutability means implementations must check for cyclic prototype chains in order to avoid ilooping. [constant checks for infinite recursion are required]
Finally, mutatin...
为维护国家安全 中国限制出口无人机和高性能计算机 - 资讯 - 清泛网 - 专注...
...部件和至少8个向量寄存器，每个向量寄存器至少包含64个数据单元。
附件2
【部分无人驾驶航空飞行器和高性能计算机出口许可程序】
一、从事本公告所列物项出口的经营者，需经国务院商务主管部门登记。未经登记，任何...
Visual SVN 安装及客户端使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...际上，从你把源代码迁签入SVN服务器开始，每一个版本的数据和文件，就算是你已经删除了的，也都可以随时迁出。
以上只是TortoiseSVN最简单的几个功能，其实他的功能远不止这些，其他的功能大家可以在使用的过程中慢慢体...
How do I include a JavaScript file in another JavaScript file?
...JS-style module system ["CJS"]) you either use "type": "module" in package.json or give the files the extension .mjs. (Similarly, modules written with Node.js's previous CJS module can be named .cjs if your default is ESM.)
Using package.json:
{
"type": "module"
}
Then module.js:
export fun...
Convert Django Model object to dict with all of the fields intact
...eous!
I would add, though, a condition for datefields in order to make it JSON friendly.
Bonus Round
If you want a django model that has a better python command-line display, have your models child class the following:
from django.db import models
from django.db.models.fields.related import Many...
Is there documentation for the Rails column types?
...blob", limit: 65535 },
boolean: { name: "tinyint", limit: 1 },
json: { name: "json" },
}
# Maps logical Rails types to MySQL-specific data types.
def type_to_sql(type, limit = nil, precision = nil, scale = nil, unsigned = nil)
sql = case type.to_s
when 'integer'
...
When do you use POST and when do you use GET?
... what if I want to view data, but I need to pass ana array or a JSON as a a parameter, is still viable to stringify the array and send it as GET, or in this case is it okay to just use POST and send the array in the body?
– A.J Alhorr
Aug 25 at 12:23...
Refresh image with a new one at the same url
...ou're doing the upload via AJAX, and the server is returning a very simple JSON array [success, width, height] then your code might look something like this:
// fileForm is a reference to the form that has a the <input typ="file"> on it, for uploading.
// serverURL is the url at which the upl...
【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...data rather than the built-in location provider.如果要获取用户位置数据，使用手机的位置传感器效果要优于内置的位置提供者。Longitude地图中心点的经度Gets the longitude of the center of the Map. To change the longitude, use the PanTo method.获取地图中心...
Common MySQL fields and their appropriate data types
...use ENUM for human-readable
values
| json data | JSON | or LONGTEXT
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