大约有 5,000 项符合查询结果(耗时:0.0145秒) [XML]
Center a map in d3 given a geoJSON object
Currently in d3 if you have a geoJSON object that you are going to draw you have to scale it and translate it in order to get it to the size that one wants and translate it in order to center it. This is a very tedious task of trial and error, and I was wondering if anyone knew a better way to obtai...
Invalidating JSON Web Tokens
...er's browser) to a token-based session approach (no key-value store) using JSON Web Tokens (jwt).
28 Answers
...
Npm install failed with “cannot run in wd”
...[sudo] npm install --unsafe-perm
Add the unsafe-perm flag to your package.json:
"config": {
"unsafe-perm":true
}
Don't use the preinstall script to install global modules, install them separately and then run the regular npm install without root privileges:
sudo npm install -g coffee-script ...
How to integrate nodeJS + Socket.IO and PHP?
...nall.theArr.push("hoppla")
knall.theArr.push("hej")
var strKnall = JSON.stringify(knall);
res.end(strKnall);
}).listen(process.env.PORT);
And here is the simple piece of code in php, calling the node-js server with the help of file_get_contents():
$json = file_get_contents('http://...
AngularJS access parent scope from child controller
...ng-controller="ChildCtrl as cc">
<pre>{{cc.parentCities | json}}</pre>
<pre>{{pc.cities | json}}</pre>
</div>
</div>
JS
function ParentCtrl() {
var vm = this;
vm.cities = ["NY", "Amsterdam", "Barcelona"];
}
function ChildCtrl() {...
Programmatically access currency exchange rates [closed]
...
You can use json_decode instead of explode if you want it to be more reliable.
– diolemo
Nov 24 '12 at 19:55
...
一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...。但区块链的作用不仅仅局限在比特币上。现在,人们在使用“区块链”这个词时,有的时候是指数据结构,有时是指数据库,有时则是指数据库技术,但无论是哪种含义,都和比特币没有必然的联系。
从数据的角度来看:区...
如何抓住痛点做出让用户尖叫的产品 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...在产品设计的过程中尽量减少给用户设置门槛,减少操作使用上的障碍,转而将这些“可能是障碍”的地方融合到产品的使用流程当中,让用户在不易察觉的情况下,体验到产品的优化改进。比如在微信(iOS版,Android版没有试...
搭建高可用mongodb集群(一)——配置mongodb - 大数据 & AI - 清泛网 - 专...
...个东东。
一、mongodb单实例。这种配置只适合简易开发时使用,生产使用不行,因为单节点挂掉整个数据业务全挂,如下图。
虽然不能生产使用,但这个模式可以快速搭建启动,并且能够用mongodb的命令操作数据库。下面列出...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注IT技能提升
...-Learning-Classifier机器学习 算法如何针对某个分类问题决定使用何种机器学习算法? 当然,如果你真心在乎准确率,最好的途径就是测试一大堆各式各样的算法(同时确保在每个算法上也测试不同的参数),最后选择在交叉验证...
