[Solved] What is the purpose of “!” in this code from “Point in Polygon Test”? [closed]

[ad_1] Any non-zero number or non-null pointer is considered to have a logical value of “true”, whereas a number with value 0 or a null pointer is considered to have a logical value of “false”. The ! operator is the logical NOT operator (as opposed to a bit-wise NOT operator). It inverts the logical value … Read more

[Solved] What is the purpose of “!” in this code from “Point in Polygon Test”? [closed]

Introduction [ad_1] The purpose of the exclamation mark (!) in the code from the Point in Polygon Test is to indicate a logical NOT operation. This operation is used to reverse the result of a comparison or a boolean expression. In this particular code, the exclamation mark is used to check if a point is … Read more

[Solved] I want to print out the request using toast

[ad_1] You need to read documentation /implementation of AsyncHttpClient first. You won’t get response like that. You need to Override onSuccess/onFailure methods for your AsyncHttpResponseHandler() client.get(“http://localhost/moodle/webservice/rest/server.php?wstoken=0ac06623c66a3dd0e0e431f872a74710&wsfunction=core_user_create_users”,params ,new AsyncHttpResponseHandler(){ @Override public void onSuccess(int statusCode, Header[] headers, byte[] responseBody) { Toast.makeText(getApplicationContext(), new String(responseBody), Toast.LENGTH_LONG).show(); } }; 0 [ad_2] solved I want to print out the request using … Read more

[Solved] vector of characters into expression [closed]

[ad_1] I’m not sure there is enough information in your question for me to give you a specific answer, but here’s a start… You can extract the variable names from a data.frame called df with: names_vec <- names(df) You can get the desired pattern of variable names with plus signs between them with: string_1 <- … Read more

[Solved] Python simple code i cant fix help1!1

[ad_1] This should fix it: def print_guessed(secret_word): return ‘-‘*len(secret_word) The problem with your code is that you are trying to modify a string by its index. However str object in Python is not mutable. You have to construct a new string. Note that this function returns the same result as other people have proposed. However … Read more

[Solved] Sort an array of arrays by key

[ad_1] This in invalid syntax, you are mixing array and object syntax: [ ‘0.00000979’: 1730, ‘0.00000969’: 206, ‘0.00000955’: 3141, ‘0.00000951’: 525, ‘0.00000941’: 159, ‘0.0000095’: 1000, ] To be able to sort, you need a valid array, actually an array of arrays: var data = [ [0.00000979, 1730], [0.00000969, 206], [0.00000955, 3141], [0.00000951, 525], [0.00000941, 159], … Read more

[Solved] Simple mathematic solution doesnt work [closed]

[ad_1] I know you said that there is no other way to do it. I hope you don’t mind that I took the liberty to do so, anyway. If you structure the code somehow like below, you will make future-you much happier: I assume that you have the following variables: $shipLife is the life amount … Read more