Python : generate a random number with a specific number of digits
To generate a random number with a specific number of digits in Python, you can use the following code:… Read More Python : generate a random number with a specific number of digits
Tag: raise
Field '_areas' should be initialized because its type 'List<Area>' doesn't allow null
Advertisements Flutter shows error Non-nullable instance field ‘_areas’ must be initialized. Maybe this is because of not defining null in lists areas what when defining null Like List? _areas; it shows an error on the index Error: Field ‘_areas’ should be initialized because its type ‘List’ doesn’t allow null. Error Line: List _areas; Here is… Read More Field '_areas' should be initialized because its type 'List<Area>' doesn't allow null
solving nested renamer is not supported with dynamic arguments
Advertisements if cat_vars: df["static_cat"] = ( df.groupby("group_col") .agg({i: "first" for i in cat_vars}) .values.tolist() ) Error: packages\pandas\core\groupby\generic.py in aggregate(self, func, *args, **kwargs) 926 func = _maybe_mangle_lambdas(func) 927 –> 928 result, how = self._aggregate(func, *args, **kwargs) 929 if how is None: 930 return result packages\pandas\core\base.py in _aggregate(self, arg, *args, **kwargs) 355 obj.columns.intersection(keys) 356 ) != len(keys):… Read More solving nested renamer is not supported with dynamic arguments
Flask handling multiple errors
Advertisements I have a simple app made in Flask. It uses only POST method. It takes 2 numbers (in json) and adds them up. {"a": 1, "b": 1} The application responds with the sum of these numbers (also in json). {"sum": 2} The code looks like this: @appFlask.route(‘sum’, methods=[‘POST’]) def result(): data = request.get_json() return… Read More Flask handling multiple errors
Python Optimize multiple if-else based on truthy value
Advertisements I have following code in Python where based on a boolean flag I need to check a list count, wondering if there is a better way to code this in Python? If var_true: if len(something) > 0: logger.console (“Something found”) else: raise AssertionError(“something was not found”) If not var_true: if len(something) == 0: logger.console… Read More Python Optimize multiple if-else based on truthy value
SQL command not properly ended errror database oracle
Advertisements I have a request to add data that triggers a trigger that checks one condition, and only after that adds it to the purchase table. He also swears at the lines of initializations total_rasr and id_buyer invalid number, although there are the same types in the table and in the trigger. And the biggest… Read More SQL command not properly ended errror database oracle
PasswordCredential does not store the data
Advertisements I’m using the PasswordCredential API in Google Chrome and Edge to store authentication credentials, however this data is not saved. I’m using the code below, and I only fire it if my AJAX login is successful. var cred = new PasswordCredential({ name: account, id: email, password: password, iconURL: ‘https://example.com/favicon.ico’ }); navigator.credentials.store(cred).then(() => { if… Read More PasswordCredential does not store the data
Webscraping with Selenium in Python
Advertisements I am trying to webscrape the list of DAOs from masari.io but I am having trouble because I get the following errors: DeprecationWarning: executable_path has been deprecated, please pass in a Service object driver = webdriver.Chrome(options=options, executable_path=DRIVER_PATH) DevTools listening on ws://127.0.0.1:56691/devtools/browser/b4609671-5e6e-4d25-b09e-4116b3dde4bf [0525/100030.252:INFO:CONSOLE(1)] "enabling sentry error tracker", source: https://messari.io/static/js/main.977a4794.chunk.js (1) [0525/100030.951:INFO:CONSOLE(2)] "Unable to refresh token:… Read More Webscraping with Selenium in Python
What do the colors in `yarn list` mean?
Advertisements When I run yarn list modules are shown in either white or a faded grey color. $ yarn list –pattern ‘@mycompany/foo-api’ yarn list v1.19.0 ├─ WHITE @mycompany/some-module@1.0.0 │ └─ WHITE @mycompany/foo-api@1.0.17 └─ GREY @mycompany/foo-api@1.0.15 Done in 0.72s. There is no documentation on the colors. What do the colors in yarn list mean? >Solution :… Read More What do the colors in `yarn list` mean?
Occurence of name in dictionary
Advertisements I am running into a problem and no clue what to do, as I am new to programming. The situation is as follows, we extracted data from a .txt file with names, children etc. and extracted it into a dictionary. The dictionary is accessed with the name as the key, e.g: # access a… Read More Occurence of name in dictionary