Which of the encryption approaches should I use?

I need a system to exchange very secret data (source code that is a trade secret). I will use Crypto++ so practically I can use all encryption algorithms, although I really prefer to use an...

phpMyAdmin isn't working

When I run phpmyadmin it shows me this message: phpMyAdmin - Error The mysqli extension is missing. Please check your PHP configuration. <a href="Documentation.html#faqmysql"...

Class, Module, their eigenclasses, and method lookup

Let's open class Module and add a method to it: class Module def foo puts "phew" end end I can call this method by doing this, Class.foo which is understandable because class...

Missing expression after unary operator '-'. At line:1 char:2

I am facing a peculiar issue in PowerShell 2.0. I am not an expert in PS, but occasionally write/edit few scripts to work with Nagios monitoring tool. Requesting help form Nagios experts. Your...

Pyro4: Failed to locate the nameserver

I'm rather new to Python and Pyro4. So I try to follow the second example of this page Pyro - Python Remote Objects - 4.41, but when I run the server throw this exception: Traceback (most recent...

Pyro4 with callbacks

I have the following class definition in a py file: class this_obj(object): def __init__(self): self._apple = 5.0 self.observ_apple = [] def setter(self, value): ...

Can't install pyethereum module

I'm new in Ethereum, so probably that's a silly question. Now I'm trying to install serpent and pyethereum according to this tutorial. Everything works well, but when I'm launching Python's...

Get value of HTML textbox and pass it to PHP function while page is loading

I am working on a project for school and here is my problem: I know that these kind of apps must be written in JavaScript but our professor wants it written in PHP, I have a textbox and I change...

Validate ABI JSon (Ethereum)

i've a problem with the following Json : [ { constant: false, inputs: [Object], name: 'set', outputs: [], type: 'function' }, { constant: true, inputs: [], name: 'get', outputs:...

CryptoCurrency NODE.js Web3 Ethereum - Can't connect to TESTRPC

I am trying to connect to my testrpc instance from a my web3 application but I can't seem to connect. The below code should return an array of all the accounts in the testrpc chain. Code: Web3 =...

calling smart contracts methods using web3 ethereum

Trying to work around the blockchain using Ethereum, I'm facing problems when trying to interface with a deployed contract. What I would try to achieve is to call a method to display information...

Vyper: compatible to write/deploy Ethereum classic smart-contract with python?

Since Python Serpent Compiler is considered outdated and not secure by Vitalik (also confirmed by this audit and here), it is more recommended to write/deploy Ethereum smart-contract from python...

Merge two CSV and collate data

I have two CSV files, the first like...

Make a git uninitialized project the new master branch using a new branch?

I have a project which I unzipped on my local machine and now I want that project to have its own branch and additionally I want that branch to overwrite the master branch When I unzipped the...

Ruby script issue

I'm trying to create a ruby script but I'm struggling on how to proceed. The goal of my script is, from 2 subtitles files, I want to make a 3rd file by combining the time of the first file with...

PHP error: Warning: openssl_decrypt(): Unknown cipher algorithm

When I run this: <?php openssl_decrypt('<string>', 'mcrypt_rijndael_256', '<key>', 0, ''); ?> I get this error: Warning: openssl_decrypt(): Unknown cipher algorithm I'm not sure if my VM is...

Performance difference between two seemingly equivalent assembly codes

tl;dr: I have two functionally equivalent C codes that I compile with Clang (the fact that it's C code doesn't matter much; only the assembly is interesting I think), and IACA tells me that one...

SerpentAI Installation error

I have been trying to install SerpentAI. I am on a Mac, and I have followed all the steps. I have all the dependencies, but when I use the keyword serpent it gives me this error. I know I am...

Mongoose: find() - match two values and return only the documents matched

I've looked around and I can't find an exact solution to this problem. I've looked through the Mongoose docs and tried to find a way. I'm new to MongoDB and wanted to aim to make my own API after...

Run veracrypt from powershell

I'm trying to run the following command from a powershell script. "C:\Program Files\VeraCrypt\VeraCrypt Format-x86.exe" /create "C:\test veracrypt file.hc" /password alongpasswordisagoodpassword...

How to access protected structure variables from other structures

So I am writing a C++ program that will mimic a library card catalog. I defined a struct for card and all the info on each card, as well as a working vector and iterator to access/print all...

Nettle 3.4 returns an error with the make command

I've been trying to run MARSS simulator on Ubuntu 18.04. So it threw an error saying gnuTLS library not found. When I went on installing that library it threw an error saying libnette 3.1 not...

SerpentAI: Failed building wheel for Cython

The log left in the Anaconda Prompt is so long, I physically can't copy & paste it all. At the moment is that I am currently attempting to follow Serpent.AI's own Windows 10 installation guide on...

SerpentAI Error When Creating a Game Plugin

I recently installed SerpentAI and I'm having an issue when creating a game plugin. When running the command: serpent generate game I provide it with the following...

Compile error Botan library on Windows with MSVC

I'm following the guide Building The Library, but I have errors. My steps. 1. Set enviroment for x64 with vcvars64.bat. C:\Program Files (x86)\Microsoft Visual...

How can I get more information on Python unexpected SIGABRT?

I'm using: MacOS Catalina, version 10.15 (19A603). python 3.7.4 pip3 Running and Debugging the following Python code within venv: import jose print(jose) from jose import jwt token =...

Using Pyro4 to connect python scripts in separate containers using docker-compose

#The Problem# I want to use Pyro4 for remote procedure calls across multiple containers using docker-compose. Currently, I am just trying to implement a simplified version of the Pyro4 warehouse...

Unable to build Botan for Android on Windows

I cannot understand how to build Botan for android, according on the instruction here: $ export CXX=/opt/android-ndk/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android28-clang++ $...

pygpu problem : DLL load failed: The specified procedure could not be found

When Trying to run a model in Theano on anaconda Using TensorFlow backend. pygame 1.9.6 Hello from the pygame community....

Installation of hpbandster and ConfigSpace failed

I created a virtual environment using virtualenv venv -p python3 and source venv/bin/activate under Ubuntu 18.04. Then I tried to install hpbandster which installes ConfigSpace as requirement. The...