I'm trying to print a series of objects in a List using the C# version of AWS Lambda. Its linked to my AWS RDS and my Lex bot. Currently, when I test the bot using the LEX test console, the output that is printed isn't formatted with line breaks even though I'm using the \n line break for C#.
Example Code:
var result = string.Empty;
result = $"Events for {User}:";
foreach (var evt in events)
{
result += $"\n\n{evt.ID} - {evt.FeedbackType} - {evt.Status} - {evt.OpenedDate.ToString()}";
}
return result;
Below is the output I am getting on Lex:
Can anyone please explain how to fix this or if its an issue with the LEX Console?
Thanks!
I believe it is simply a limitation of the lex console. You are at the mercy of the program rendering the chat to handle formatting. Try integrating to Slack - you'll see it work there. The lex console is pretty basic.
BTW if it is of any use, I've got a little app to let you chat with your bot in the commandline. As long as you are logging into the AWS CLI: https://github.com/dwmkerr/lex-chat.
Related
I am trying to create a util for logging.
I need to know the actual differences between print() vs debugPrint() and log().
Many answers I have seen are outdated or confusing. Also, some upvoted answers are contradict.
I am trying to print error messages in red color. I am using ANSI code to achieve it.
debugPrint("\x1B[31m HelloDebug \x1B[0m");
The above one print in red color.
But when i do the same using log(), its not printing in red color. Its escaping the ANSI code.
One thing I found out was log() has error parameter.
If i pass something as error , it handles red color by default.
Here in the first one using log, red is not coming because ANSI code is ignored. But in debugPrint using it's working fine. In third one it takes error red by default. But extra line is added even for empty string message.
Code:
Output:
Is it possible use ANSI code for making color text using log?
Because I have other ANSI code to make different color text.
I dont want use debugPrint because if I print some thing too frequently , the system ignore the logs.
After digging some time I found out that log function is implemented in c++ in the dart runtime.As the log function is external function in dart sdk.
external void log(
String message, {
DateTime? time,
int? sequenceNumber,
int level = 0,
String name = '',
Zone? zone,
Object? error,
StackTrace? stackTrace,
});
https://github.com/dart-lang/sdk/blob/main/runtime/lib/developer.cc
Also I see some different answers while digging.
The below answer says debugPrint only available inside widget class. Is it still true?
https://stackoverflow.com/a/52241553/9248098
EDIT:
While using debugPrint and when I launch app from Android studio terminal, the ANSI color is working in android but when I run it same in iOS its escaping the characters in same Android Studio terminal.
If ANSI code support is based on terminal support, I couldn't figure out why its having issue in same terminal in iOS.
It is well explained in this page Debugging Flutter apps programmatically
debugPrint() is similar to print() but with a throttles applied to prevents being dropped by Android’s kernel.
If you have linter setup on VSCode or other IDE, you will see this warning whenever you use print in your code. For more information, you can refer to Avoid print calls in production code.
To avoid the lint error, you can use kDebugMode with print or debugPrint instead.
if (kDebugMode) {
print('test print');
}
// OR
debugPrint('test debugPrint');
As for log(), it actually allows you to include more information on the logging output. For example, you can add the runtimeType and the relevant object in the log that can help you in debugging the code.
log(
'test log',
name: runtimeType.toString(),
error: myObj,
);
** btw I tried log with ANSI code log("\x1B[31m HelloDebug \x1B[0m");, it is working as expected.
I'm trying to build an android app that print orders in specified Epson printer model. It works but breaks when tried to print multiple orders in short time. the error is ERR_ILLEGAL
Using sendData() for print command.
I found in the manual repeatedly calling sendData() can break this for the doc PDF (page: 60)
But I can't figure out how to do this when I need multiple print in short time. This type of task has no issue in JS SDK
Any help will be highly appreciated.
I have a Google Spreadsheet where I have the following information on specific cells in the sheet:
Cell B1: Has the URL http://www.google.com.co/search?q=NASA+watching+now%3A+site%3Awww.youtube.com
Cell B2: has the following formula: =IMPORTXML(B1,"//title")
Here is the link of the Google spreadsheet - if you want to test from your side.
And here is the Google Spreadsheet I'm working on - which, I want to get the specific data:
Title: Text (in the h3 HTML tag of the result item).
Url: Link (in the <a> HTML tag of the result item)
Description: Text next to the thumbnail of the result item.
See screenshot with the data to get using IMPORTXML:
The previous code returns the title of the given URL - in this case, the URL stored in the B1 cell.
It was working without problems (since 12/02/2022 - dd/MM/yyyy) until today (13/02/2022 - dd/mm/yyyy).
I checked the Chrome console "F12 Developer tools" and I get this error:
This document requires 'TrustedScript' assignment.
injectIntoContentWindow # VM364:27
By clicking the # VM364:27 line, the following code is shown:
function injectIntoContentWindow(contentWindow)
{
if (contentWindow && !injectedFramesHas(contentWindow))
{
injectedFramesAdd(contentWindow);
try
{
contentWindow[eventName] = checkRequest;
contentWindow.eval( /* ERROR with and (X) is shown here. */
"(" + injectedToString() + ")('" + eventName + "', true);"
);
delete contentWindow[eventName];
}
catch (e) {}
}
}
Searching on the internet, I barely could get the causes of this error:
Google Chrome update - making security stricter.
Chrome extensions - try to disable such extensions and try again.
CPS (Content-Security-Policy) - must be honest = I don't understand this point; it's from the website to scrape the data OR from Google Sheets the CPS is the root cause?
The solutions given to this problem are in Python - with the use of DOMPurify - as is described in this answer, but, I don't know and neither have found any clues about this problem and its solution in Google Spreadsheets.
I've tried:
Recover previous working Google Spreadsheet version - the result is that the formula re-evaluates and no result is returned; looking in Console, the This document requires 'TrustedScriptURL' assignment message shows.
Disable Google Chrome installed extensions - I only have AdBlock (this code was working without issues), anyway, I turned off, reload the spreadsheet and the error mentioned above raises in Console.
Using another page - I tried with Wikipedia and Wiki.fandom and it works - i.e. data is returned. Probably in this case, Google injected in their searcher an script for avoid injection? - I'm really not sure, only speculating/rambling here.
Another possible cause I consider is maybe my IP was blacklisted or blocked, but, I'm not sure.
My browser information:
Chrome version: 98.0.4758.82 (Build oficial) (64 bits) (cohort: Stable)
Windows 10 Version 21H2 (Build 19044.1466)
Is there any way to solve this error in Google Sheets?
PS: I'm interested in know the workaround using google sheets and/or custom scripts - via script editor/Apps Script. The use of IMPORTXML function is not mandatory - I find curious that it was working and then today, not anymore.
I will just leave this here:
=INDEX(UNIQUE(REGEXREPLACE(QUERY(IMPORTXML(A1, "//a/#href"),
"where Col1 contains 'youtube.com/'"), "\/url\?q=|&sa=.*", )))
=IMPORTXML(A1, "//title")
=IMPORTXML(A1, "//h3")
TL;DR: This document requires 'TrustedScript' assignment error is not the root cause of the delay of the IMPORTXML function - probably there is other cause(s) (outside of the developer's handling), but, after all, the code works - see working google spreadsheet - just, wait until the results are shown or use another way to web-scrapping the desired data.
Since the This document requires 'TrustedScript' assignment message stays appearing in the Console of the browser, but, the code I posted on my question (and the code posted by SO user player0 in their answer) works, it seems to me that the delay of the response using IMPORTXML might be due its buggy functionality and/or some restriction Google detected by doing multiple requests.
So, here are my tips about this:
Check very closely how the page where the data will be extracted from and its structured before doing excessive requests - or you might face a significant delay in the response of the IMPORTXML function - as I experienced it.
Get more familiar with XPath and check if the data is dynamically generated in the page - this makes even harder to get the desired data using this way of scrapping.
This is the spreadsheet with the desired results - if anyone is interesed1.
1 Check the "Results-mix" sheet (which contains both the code I manage to create and the code provided by player0 in their answer).
If you really want to get similar results in a less convoluted way, consider use another strategy for web-scrapping or use official APIs - when available.
Created a webextension for firefox (currently using Nightly 52), that uses native messaging to launch a java program on Linux (Ubuntu 14, 32x).
The webextension loads, reads the .json file and reads the path which points to a script that starts the java program. The JSON and the path are correct as when I use:
var native = browser.runtime.connectNative("passwordmanager");
console.log("native.name" + native.name); //outputs passwordmanager.
native.onDisconnect.addListener(function(m) { console.log("Disconnected"); });
The above code prints the name of the native port and also prints "Disconnected". So I m guessing the native app is terminating for some reason.
The application is only skeleton right now, that just does sysout and reads sysin and works correctly if Launch it directly through the shell script.
While debugging the webextension, I am not able to step into the call to connectNative, as it just steps-over that call instead of doing step-in. So kind of out of options whats' going wrong.
Please let me know if anyone is able to create a native messaging app based on FF webextension and any pointers on what I might be doing wrong.
Thanks
This solution here shows you how to detect onConnect and onFail. It should help you out to figure out your real problem.
So I don't think you can do proper error handling with connectNative from the JS side alone. You can do somewhat error handling if you get the exe side involved, but you can't get a string for "error reason" when an error occurs. The error is only logged to console.
First make sure to set your deeloper prefs, so messages show in your browser console. You can use this addon - https://addons.mozilla.org/en-US/firefox/addon/devprefs/ - or read that addon description it gives you the MDN page with the prefs to set.
Then this is how you can do some sort of error handling (without error reason) (pseudo-code - i might need a .bind in the callbcks):
function connectNative(aAppName, onConnect, onFail) {
var listener = function(payload) {
if (!connected) {
connected = true;
port.onDisconnect.removeListener(failedConnect);
onConnect();
} else {
// process messages
}
}
var failedConnect = function() {
onFail('failed for unattainable reason - however see browser console as it got logged there');
}
var connected = false;
var port = chrome.runtime.connectNative(aAppName);
port.onMessage.addListener(listener);
port.onDisconnect.addListener(failedConnect);
return port;
}
Now in your exe, as soon as it starts up, make it write to stdout something. That will trigger the onConnect.
For debugging purposes it would be great to be able to see just what you are getting back from the map method. Is this possible in ruby?
To do this in the Mongo shell, you can define you own debug version of the emit() function to print trace information.
function emit(k, v) {
print("emit");
print(" k:" + k + " v:" + tojson(v));
}
Check out Troubleshooting MapReduce in the MongoDB docs for more info.
I know the Mongo documentation recommends defining your own emit function, but I find it easier to instead use print() directly in my map- and reduce-functions while I watch Mongo's log.
Just put any print()'s in your code, run tail -f /var/log/mongodb/mongodb.log, then run your code. You should see the print()'s output to the console.
Here's a few of the benefits:
Ability to debug the reduce() function – defining your own emit() doesn't help here
No need to define the emit() function every time you fire up the mongo console
Write your code in your editor instead of going back and forth between console and IDE
Ability to do code generation and variable interpolation in your native language