Shamir's secret sharing scheme

Shamir's secret sharing scheme

  5:54 AM    Unknown

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Shamir's secret sharing is a threshold secret sharing scheme invented by Adi Shamir in his paper "How to share a secret" in 1979. In this scheme, a secret S is divided into n pieces in such a way that S is easily reconstructed from any k pieces (k < n) but even complete knowledge...

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An example of Github Rest API using Python

An example of Github Rest API using Python

  11:56 PM    Unknown

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Suppose I want a python script to get some information of Customer IO's Github: How many total open issues are there across all repositories? Sort the repositories by date updated in descending order. Which repository has the most watchers? Github has an official REST API v3 document at HERE Here are some notes before jumping into the script. They are all stated in Github API's document but I...

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Free tools to record screen on mobile devices

Free tools to record screen on mobile devices

  2:43 AM    Unknown

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While reporting bugs for mobile apps, you probably need to record the device's screen in order to show steps for reproducing the bug. Today I want to introduce 2 FREE tools that I'm using to record screen on iOS and Android devices. iOS devices I use LonelyScreen to...

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Write a simple zip file password cracker with Python

Write a simple zip file password cracker with Python

  8:41 PM    Unknown

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In order to extract a zip file, Python provides a zipfile library which help us create, read write, append and list a zip file. However, It only supports ZipCrypto encryption. A complete guide about it is HERE So the idea is: - Read a file pw.txt that contains all passwords. -...

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Python: Some restrictions when using multiprocessing library on windows

Python: Some restrictions when using multiprocessing library on windows

  5:44 AM    Unknown

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I ran into one of these restrictions today and want to share it. Those restrictions are stated in multiprocessing library document at HERE . However, I want to explain them more and give some examples so we can understand them fully. Restriction 1: Safe importing...

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Convert Windows's end of line characters into Unix, and vice verse, using Notepad++

Convert Windows's end of line characters into Unix, and vice verse, using Notepad++

  2:41 AM    Unknown

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The format of Windows and Unix text files differs slightly. DOS uses carriage return and line feed ("\r\n") as a line ending, which Unix uses just line feed ("\n"). That means when you write a bash script, for example, on windows and copy to to a Linux machine, executing...

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Enable SSH service for ESXi server

Enable SSH service for ESXi server

  2:46 AM    Unknown

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Login to the server using vShphere client Select the host --> Configuration tab --> Security Profile --> Properties in the Services part In the Services Properties dialog, select SSH and then click to Options In SSH (TSM-SSH) Options dialog, select...

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Copy/paste between virtual remote console of vShphere client and the system

Copy/paste between virtual remote console of vShphere client and the system

  5:07 AM    Unknown

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1. Login vShphere client and power off the VM 2. Right click the VM and select Edit Settings 3. Navigate to Options > Advanced > General and click Configuration Parameters. 4. Add 2 new rows as below: isolation.tools.copy.disable FALSE isolation.tools.paste.disable...

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Appium Desktop has been released

Appium Desktop has been released

  3:30 AM    Unknown

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Appium Desktop has been released for a while. This article is a brief introduction for this new app. Appium Desktop is a new open source app for Windows, Mac and Linux which is a GUI interface for using appium and inspecting your app's elements. Please be noticed that Appium...

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How to show the size of all folders on Mac OSX

How to show the size of all folders on Mac OSX

  9:04 PM    Unknown

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Finder list view only shows size of the files, not folders by default. Below trick will help show all the size of folders: 1. Open Finder and change to list view ( View > as List) 2. Right click on the any empty space in the finder view and select Show View Options. 3....

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