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Cryptocurrency Ethereum Mastering Development

Error: The send transactions “from” field must be defined!

I get this error, even though I do specify the transaction sender.Here is my code: for(let a=1; a<TEST_ORACLES_COUNT; a++) { await config.flightSuretyApp.registerOracle({from: accounts[a], value: fee}); let result = await config.flightSuretyApp.getMyIndexes.call({from: accounts[a]}); console.log(`Oracle Registered: ${result[0]}, ${result[1]}, ${result[2]}`); } It will accept my code if I put accounts[1] instead of accounts[a]. But I need to loop. Any […]

Categories
CMS Drupal Mastering Development

InvalidQueryException on view/edit users

I had D8 Commerce 2 working good, but I don’t know why, now I can’t view/edit users. I get this weird error: Drupal\Core\Database\InvalidQueryException: Query condition ‘commerce_order.billing_profile__target_id IN ()’ cannot be empty. In Drupal\Core\Database\Query\Condition->condition() (line 105 of /…./web/core/lib/Drupal/Core/Database/Query/Condition.php). I have deleted all carts, order, users (except admin), and profiles, but if I try to view/edit admin […]

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Mastering Development

When i try to run express in the nodeJs of goorm IDE, i get -cannot find module express session. Can anyone help me

Whenever I try to run app.js in the Goorm IDE, I get this error.

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Mastering Development

Typescript is throwing “error TS2554: Expected 2 arguments, but got 1.” error

I get this error, when setting module to common js in tsconfig.json file: “module”: “commonjs” My Function is like this: function say(‘message’, options: MessageOptions = {}) { } say(‘Hello’); The problem goes away if I set module to ES2020. But, then I get other error: Using import outside of module error.

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User Help

Windows 10 DHCP stopped working properly and I can’t restart it

For some reason Windows DHCP service, for both IPv4 and IPv6, bugged by itself in one of my laptops, because the network adaptors can’t receive correct settings anymore. My internet gateway IP is 192.168.1.254, however both wireless and Ethernet adaptors are receiving 169.254.1.x local IP and 255.255.0.0 subnet mask, when the proper addresses should be […]

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Mastering Development

How to dump a function with import inside

I am trying to dump functions into a file, so that I can use this file/function elsewhere. I choose dill rather than pickle, because I need dependencies. However, dill doesn’t work if the function has imports inside. For example: def func(): import numpy import dill dill.settings[‘recurse’] = True with open(“test.pickle”,”wb”) as f: dill.dump(func,f) When I […]

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Linux Mastering Development

Sort inside awk with tab as field separator

I want to sort a tab-delimited file by a specific field while preserving the header. I’m using awk as described here sort and uniq in awk, but I can’t figure out who to tell sort that the field separator is a tab. Toy data: $ echo -e “head_1\thead_2\thead_3” > file.tsv $ echo -e “aaa zzz\tc\t300” […]

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Linux Mastering Development

Sort inside awk with tab as field separator

I want to sort a tab-delimited file by a specific field while preserving the header. I’m using awk as described here sort and uniq in awk, but I can’t figure out who to tell sort that the field separator is a tab. Toy data: $ echo -e “head_1\thead_2\thead_3” > file.tsv $ echo -e “aaa zzz\tc\t300” […]

Categories
Linux Mastering Development

Sort inside awk with tab as field separator

I want to sort a tab-delimited file by a specific field while preserving the header. I’m using awk as described here sort and uniq in awk, but I can’t figure out who to tell sort that the field separator is a tab. Toy data: $ echo -e “head_1\thead_2\thead_3” > file.tsv $ echo -e “aaa zzz\tc\t300” […]

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Development

geb/selenium You may only interact with visible elements

I’m trying to run a geb test for a grails webpage. The page displays a table. The third “td” in each table row has an internal “a href” link. the test is supposed to click on that cell. the table format is something like this <thead> <tr> <th>First</th> <th>Second</th> <th>Third</th> </tr> </thead> <tbody> <tr> <td>First</td> […]