Categories
CMS Mastering Development

Searching on whole title returns no results

When a client site is searched by the whole title, the search results return zero. If I search by a few words in the entry title then the entry is returned in the search results. If i search with the whole title in quotes, I get the entry in the search results. I am expecting […]

Categories
Cryptocurrency Ethereum Mastering Development

How do i withdraw Eth from a contract i created

New to blockchain.. havent a clue.. I managed to create a new contract with Eth. I moved money from MyEtherum Wallet to Metamask and into a contract, somehow? I have no coding experience but need someone to help with getting my Eth back out of the contract.. From looking around myetherwallet i found a ABI/JSON […]

Categories
Cryptocurrency Ethereum Mastering Development

Weird exchange rate when selling buying DAI with Ether

I wrote code to buy DAI using ETH on Uniswap V2 as follows: function buyCryptoOnUniswap(uint256 etherCost , address cryptoToken) public payable returns(uint256){ //address cryptoToken = 0x4F96Fe3b7A6Cf9725f59d353F723c1bDb64CA6Aa; require(etherCost <= address(this).balance , "Insufficient funds") uint256 cryptoAmountPurchasable = estimateTokensThatETHCanBuy(etherCost , cryptoToken)[1]; cryptoAmountPurchasable = cryptoAmountPurchasable.mul(11).div(10);// multiply by 1.1 uint deadline = now + 300; // using ‘now’ for convenience, […]

Categories
Cryptocurrency Ethereum Mastering Development

This declaration shadows an existing declaration(problem with compile)

[![enter image description here][1]][1] function isOwner(address _owner) public view returns (bool isOwner) { return owners[_owner]; } function isOwnerChoice(address _owner, address _newOwner) public view returns (bool isOwnerChoice) { return ownerChoice[_owner][_newOwner]; } version pragma solidity ^0.6.8; I’m realy dont understand, whats the problem?

Categories
Linux Mastering Development

How to make “ls -Al” work the old way?

In CentOS 6.9 final, ls -Al lists files by ASCII code order, and files starting with a dot(the hidden files) will be displayed on the top of the output. But when I upgraded to CentOS 7.5, ls -Al doesn’t put the hidden files on the top. It seems like the starting dot of the hidden […]

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Mastering Development

Change geopandas column value from postgis query

I have some QGIS layers and I am performing some spatial queries with them using GeoPandas. I’m using psycopg2 to make a connection to a local PostgreSQL/PostGIS database. Then I use the read_postgis() function from GeoPandas to make a spatial query with my layers. Here is my code to get started. The .read_postgis method from […]

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Mastering Development

Group obejcts of a doubly linked list in python

In a class I got a doubly linked list containing some article objects which have an atribute called self.fk_ordernumber, lets say for example I have three article objetcs two of them with same fk_ordernumber 1234 and other with fk_order number 1239, I also have an orders doubly linked list in which I want to insert […]

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Mastering Development

Google ORTools – Nodes that can’t share the same route (again)

In reference to my previous request prievousRequest, I need help for a further issue: a route cannot have more than two work category at the same time. Conditions as follows: Node A: work category 1 and work category 2 Node B: work category 3 Node C: work category 1 Node D: work category 2 Solutions: […]

Categories
Android User Help

How to exit and disable safe mode?

I have a Note 2 running a custom Android 6 ROM and it’s stuck in safe mode. It got stuck in safe mode once before, but I don’t recall what I did to fix it. I did have a sticky power button then, so I might have just cleaned it. At the time, I looked […]

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Android User Help

All CPU cores have identical usage

I have Xiaomi Mi A2 lite, which was originally running Android 9 by manufacturer, not MIUI and other utilities. Now it’s running Android 10 after an upgrade. I’m tired by that applications are often started again after switching to another application and shows the splash screen again. I was ignoring that and blamed some applications […]