TypeError: Cannot read property 'call' of undefined - powershell

So basically I am just getting started with Truffle and I have created my first Solidity code, which looks like this:
pragma solidity ^0.4.4;
contract HelloWorld
{
function SayHello() internal pure returns (string)
{
return ("Hello World!");
}
}
I then opened Powershell and ran the following command: testrpc Than I compiled and migrated my code using "truffle" compile and "truffle migrate"
The problems started occurring when I opened "truffle console" and did this, giving me an error at the end:
PS C:\Users**\MetaCoin> truffle console
truffle(development)> var hw
undefined
truffle(development)> HelloWorld.deployed().then(function(deployed){hw=deployed});
undefined
truffle(development)> hw.SayHello.call()
TypeError: Cannot read property 'call' of undefined
truffle(development)>
Can someone help me with this? Thanks.

Related

Tanka - VS Code - "Unexpected type string" while getting namespace from spec file

I'm trying out Tanka for k8s configs generation. Also, I'm using VS Code extension by Grafana Labs.
I've problems in VS Code with referencing Tanka configuration as described here. I'm using configuration to retrieve namespace, like so:
local k = import 'k.libsonnet';
local tk = import 'tk';
{
namespace: k.core.v1.namespace.new(tk.env.spec.namespace),
}
Initially, I was receiving an error: RUNTIME ERROR: Undefined external variable: tanka.dev/environment. I supposed that Tanka wants path to my environment, and so added it to VS Code settings:
{
"jsonnet.languageServer.extVars": {
"tanka.dev/environment": "environments/default"
}
}
Now I'm receiving another error in the k.core.v1.namespace.new(tk.env.spec.namespace) expression:
RUNTIME ERROR: Unexpected type string, expected number
<path to repo>/environments/default/main.jsonnet:7:38-49
<path to repo>/vendor/github.com/jsonnet-libs/k8s-libsonnet/1.25/_gen/core/v1/namespace.libsonnet:51:35-39 thunk from <function <anonymous>>
<path to repo>/vendor/github.com/jsonnet-libs/k8s-libsonnet/1.25/_gen/core/v1/namespace.libsonnet:33:42-46 object <anonymous>
Field "name"
Field "metadata"
Field "namespace"
During manifestation
The error is quite confusing to me. What and where expects number?
both namespace and name are strings in my spec.json
according to the same configuration docs they should be strings
on line 33 of namespace.libsonnet there is a function withName which expects name argument of type d.T.string
tk works fine from the CLI
I suppose that I've set wrong tanka.dev/environment, but I can't find docs that say what should be set there.
Also, just to check if it helps, I tried setting "jsonnet.languageServer.tankaMode": true in VS Code settings to no avail.
Please, help me to resolve the error and if possible explain what's going on here.

vscode python lint problem at the first column of first line

I have python modules that I run in VSCode for development.
And everything works fine until today VSCode suddenly said that one of the module had some binding problem and made the file name tab red.
VSCode the problem occurs in the first character of the first line which is the following standard line at every module of my program.
from __future__ import print_function # (at top of module)
But strangely VSCode did not raise the same problem for other module that starts with the same line.
The problem message is like this.
An internal error occurred while binding file "aModule.py": Error: Debug Failure. createKeyForReference received unexpected expression type
at createKeyForReference (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\codeFlowTypes.ts:240:9)
at createKeyForReference (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\codeFlowTypes.ts:218:25)
at C.visitAssignment (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:849:50)
at C.visitNode (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:132:29)
at C.walk (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:98:37)
at forEach (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:107:22)
at Array.forEach (<anonymous>)
at C.walkMultiple (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:105:15)
at C.walk (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:100:18)
at C._walkStatementsAndReportUnreachable (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:2583:22)
at C.visitSuite (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:345:14)
at C.visitNode (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:330:29)
at C.walk (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:98:37)
at callback (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:1290:22)
at C._trackCodeFlowExpressions (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:3236:9)
at C.visitIf (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:1265:48)
at C.visitNode (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:184:29)
at C.walk (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:98:37)
at C._walkStatementsAndReportUnreachable (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:2583:22)
at C.visitSuite (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:345:14)
at C.visitNode (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:330:29)
at C.walk (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\parseTreeWalker.ts:98:37)
at Object.callback (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:545:22)
at C._bindDeferred (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:4140:22)
at C.bindModule (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\binder.ts:298:14)
at callback (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\sourceFile.ts:1197:28)
at s.timeOperation (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\common\timing.ts:40:20)
at callback (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\sourceFile.ts:1184:38)
at t.LogTracker.log (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\common\logTracker.ts:43:20)
at t.SourceFile.bind (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\sourceFile.ts:1181:33)
at O._bindFile (c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\program.ts:931:34)
at c:\Users\Farn\.vscode\extensions\ms-python.vscode-pylance-2022.7.40\dist\pyright-internal\src\analyzer\program.ts:1051:18
Can someone help?
Thanks
Farn

VS code run and debug failed because undefined reference to external file ('test3.c')

Test2 is main function reference to test3.
Both functions are in different files.
It produce error.C_and_CPP/test2.c:12: undefined reference to `test3'

Call to undefined function auth()

Call to undefined function App\Http\Controllers\auth()
If I follow through the step by step instructions provided jwt-auth
I have copy pasted this AuthConstroller
$token = auth()->attempt($credentials);
Error Message: Call to undefined function App\Http\Controllers\auth()
Framework version 5.7.7
Package version 1.0.0-rc.2
PHP version 7.2.9
My AuthController

I think it's more like
Auth::attempt($credentials)

Groovy Grape imports aren't resolved by Eclipse

groovy eclipse plugin version: 1.7.5.xx-20101020-1000-e36-release.
import com.jidesoft.swing.JideSplitButton
#Grab(group='com.jidesoft', module='jide-oss', version='[2.2.1,2.3.0)')
public class TestClassAnnotation {
public static String testMethod () {
return JideSplitButton.class.name
}
}
new TestClassAnnotation().testMethod()
the first line error: Groovy:unable to resolve class com.jidesoft.swing.JideSplitButton
it can run as groovy shell, but the error warning is bore

When I compile this in the editor, I get the same error as I do when I compile or run from the command line:
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
General error during conversion: Error grabbing Grapes -- [unresolved dependency: com.jidesoft#jide-oss;[2.2.1,2.3.0): not found]
(and then a very long stack trace)
Is this what you are seeing?

I'm rather late to this question, but I wonder if
#Grab(group='com.jidesoft', module='jide-oss', version='[2.2.1,2.3.0)')
shouldn't be
#Grab(group='com.jidesoft', module='jide-oss', version='[2.2.1,2.3.0]')
It looks to me like a syntax error where groovy expects to be passed a list.

Try placing #Grab right above the import statement. Just like that:
#Grab(group='com.jidesoft', module='jide-oss',version='[2.2.1,2.3.0]')
import com.jidesoft.swing.JideSplitButton
... your code continues here