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搭建高可用mongodb集群(四)—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...路由、分片)的配置。mongos本身没有物理存储分片服务器和数据路由信息,只是缓存在内存里,配置服务器则实际存储这些数据。mongos第一次启动或者关掉重启就会从 config server 加载配置信息,以后如果配置服务器信息变化会通...
Google Maps API - Get Coordinates of address
...what you're looking for. You will be able to do geocoding on your server.
JSON Example:
http://maps.google.com/maps/api/geocode/json?address=1600+Amphitheatre+Parkway,+Mountain+View,+CA
XML Example:
http://maps.google.com/maps/api/geocode/xml?address=1600+Amphitheatre+Parkway,+Mountain+Vi...
How do I implement basic “Long Polling”?
...freeze up. This would better be done checking if the file contains a valid JSON response, and/or keeping a running total of requests-per-minute/second, and pausing appropriately.
If the page errors, it appends the error to the #messages div, waits 15 seconds and then tries again (identical to how w...
Save ArrayList to SharedPreferences
...
You can convert it to JSON String and store the string in the SharedPreferences.
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How to read a local text file?
...; console.log(text))
// outputs the content of the text file
reading a json file
fetch('file.json')
.then(response => response.json())
.then(jsonResponse => console.log(jsonResponse))
// outputs a javascript object from the parsed json
Update 30/07/2018 (disclaimer):
Thi...
Memcached下一站:HandlerSocket! - 更多技术 - 清泛网 - 专注C/C++及内核技术
...官方提供的二进制版本,可以略过此步。
接着下载一份和系统MySQL版本一致的MySQL源代码和HandlerSocket源代码:
mysql-5.1.37.tar.gz
ahiguti-HandlerSocket-Plugin-for-MySQL-1.0.6-76-gf5f7443.tar.gz
shell> tar zxf mysql-5.1.37.tar.gz
shell> tar zxf ahiguti-Ha...
App Inventor 2 App上架国内应用市场完整指南 · App Inventor 2 中文网
...述
2.3 注册/登录处隐私勾选
每个注册和登录入口都必须有隐私政策勾选项。
2.4 隐私政策扩展组件
fun123.cn 开发了专门的隐私政策弹窗扩展组件,支持:
本地 HTML 和在线 URL 两种方式
用...
Use URI builder in Android or create URL with variables
...same goal
http://api.example.org/data/2.5/forecast/daily?q=94043&mode=json&units=metric&cnt=7
To build the Uri you can use this:
final String FORECAST_BASE_URL =
"http://api.example.org/data/2.5/forecast/daily?";
final String QUERY_PARAM = "q";
final String FORMAT_PARAM = "mode"...
How do I break a string over multiple lines?
...multiple lines stopping
after indentation changes...
...
Equivalent JSON
{
"content": "Arbitrary free text over multiple lines stopping after indentation changes..."
}
2. Literal Block Scalar: A Literal Block Scalar | will include the newlines and any trailing spaces. but removes extra
...
bower init - difference between amd, es6, globals and node
...'t have any effect apart from setting the moduleType property in the bower.json file of the package.
See https://github.com/bower/bower/pull/934 for the original pull-request.
[UPDATE #2]
A few additional points, to answer comments:
right now AFAIK there is no validation done on the moduleType ...
