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How to generate unique ID with node.js

... Install NPM uuid package (sources: https://github.com/kelektiv/node-uuid): npm install uuid and use it in your code: var uuid = require('uuid'); Then create some ids ... // Generate a v1 (time-based) id uuid.v1(); // -> '6c84fb...
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Python: How to create a unique file name?

...stion was very clear, but if all you need is a unique file name... import uuid unique_filename = str(uuid.uuid4()) share | improve this answer | follow | ...
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Random string generation with upper case letters and digits

... Simply use Python's builtin uuid: If UUIDs are okay for your purposes, use the built-in uuid package. One Line Solution: import uuid; uuid.uuid4().hex.upper()[0:6] In Depth Version: Example: import uuid uuid.uuid4() #uuid4 => full random uuid #...
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自动生成Linux下Makefile全攻略(automake原理) - C/C++ - 清泛网 - 专注C/C++及内核技术

...le文件 2、make 输出二进制 3、make install 安装二进制到指定目录 make及make install规则都需要参照Makefile文件,而Makefile是自动生成,大家有兴趣可以查看下Makefile,代码很长很复杂。当然我们可以直接在Makefile文件中写编译...
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Collisions when generating UUIDs in JavaScript?

... this question . I am using the code below from this answer to generate UUID in JavaScript: 6 Answers ...
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How do you create a random string that's suitable for a session ID in PostgreSQL?

... years old. Check out this for a totally different method using gen_random_uuid(): faster, more randomness, more efficiently stored in the database. – Evan Carroll Jan 12 '17 at 8:11 ...
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Generating Guids in Ruby

... As of Ruby 1.9, uuid generation is built-in. Use the SecureRandom.uuid function. For example: require 'securerandom' SecureRandom.uuid # => "96b0a57c-d9ae-453f-b56f-3b154eb10cda" ...
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实战低成本服务器搭建千万级数据采集系统 - 更多技术 - 清泛网 - 专注C/C++...

...下获取数据接口有什么问题? 1、通过各大微博搜索api。就比如新浪微博API针对一个服务器IP请求次数,普通权限限制是一个小时1w次,最高权限合作授权一个小时4w次。使用应用时还需要有足够用户,单用户每个应...
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How to find serial number of Android device?

...oogle's recommendations, I implemented a class that will generate a unique UUID for each device, using ANDROID_ID as the seed where appropriate, falling back on TelephonyManager.getDeviceId() as necessary, and if that fails, resorting to a randomly generated unique UUID that is persisted across app ...
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IOException: read failed, socket might closed - Bluetooth on Android 4.3

...; import java.lang.reflect.Method; import java.util.List; import java.util.UUID; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothSocket; import android.util.Log; public class BluetoothConnector { private BluetoothSocketWra...