try-catch

问题 Background import pandas as pd Names = [list(['Jon', 'Smith', 'jon', 'John']), list([]), list(['Bob', 'bobby', 'Bobs'])] df = pd.DataFrame({'Text' : ['Jon J Smith is Here and jon John from ', '', 'I like Bob and bobby and also Bobs diner '], 'P_ID': [1,2,3], 'P_Name' : Names }) #rearrange columns df = df[['Text', 'P_ID', 'P_Name']] df Text P_ID P_Name 0 Jon J Smith is Here and jon John from 1 [Jon, Smith, jon, John] 1 2 [] 2 I like Bob and bobby and also Bobs diner 3 [Bob, bobby, Bobs] Goal I

问题 I am using vb.net (Visual Studio 2013) and have to perform some mathematical operations in a fast Loop (0.000001 s): I get n. def (Not A Number) as result. I want to find out where the error occurs to be able to fix it; I tried using Try...Catch but did not succeed. What else can I try? Thanks for any help ' --------------------------------------------------------------------------------------------------- ' Lateral Segment Area Case 4 ' -------------------------------------------------------

问题 I have this pattern in a number of stored procedures -- Table1 [id] [int] IDENTITY(1,1) NOT NULL [data] [varchar](512) NULL [count] INT NULL -- 'data' is unique, with a unique index on 'data' in 'Table1' BEGIN TRY INSERT INTO Table1 (data, count) SELECT @data,1; END TRY BEGIN CATCH UPDATE Table1 SET count = count + 1 WHERE data = @data; END CATCH I've been slammed before for using this pattern You should never have exception "catching" in your normal logic flow. (Thus why it is called an

问题 I am having a problem with a database call that throws an AccessViolationException when I call ExecuteNonQuery() . The call is enclosed in a try-catch block but the exception is never caught. Instead, I get an entry about it in the Windows Event log. Is there a way of catching this exception in code? IDbCommand cmd = ... cmd.CommandText = "..."; try { var results = command.ExecuteNonQuery(); } catch (Exception ex) { Console.Writeline("Caught exception: " + ex.Message); } 回答1: ExecuteNonQuery(

问题 I have some code with bouncycastle that generates an exception, but even if i surround with try catch, the catch statement still give me this error : incompatible types required: java.lang.Throwable found: org.bouncycastle.crypto.DataLengthException here is my code: int decryptedLength; try { decryptedLength = cipher.processBytes(cipherBytes, 0, cipherBytes.length, decryptedBytes, 0); } catch (DataLengthException ex) { } the catch statement doesn't accept the exception, how to solve this ?

问题 In my android app I have a button that when clicked, opens another class that makes a network call. I am trying to check for a data connection when the button is clicked and if there isn't a connection I want to display a toast message. Here is my onclick method as it stands:- public void GoToZone(View v) { if (android.os.Build.VERSION.SDK_INT > 9) { StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build(); StrictMode.setThreadPolicy(policy); Intent myIntent

问题 Hey I have question to you guys. If I implement my sql mysql insert in try catch will that prevent from executing only partial INSERT into database if one of them will fail ? try { //SQL INSET TABLE 1 //SQL INSET TABLE 2 //SQL INSET TABLE 3 //SQL INSET TABLE 4 } catch(Exception $e) {...} I would like to deny all or accept all. Is that they way to do that? Regarding to your comment. I am using PDO. I would be grateful for the configuration example that would allow that. In Your comments you

问题 I need to check if the user enter a number(double) or string, everything works perfect except the last part. If the user enters "hello", the program will ask to enter the valid number but it doesn't work properly. It gives me an infinite loop unless I will enter space " ". Here is my code: double bill = 0.0; System.out.print("Please enter the total amount of your bill > "); String strAmount = keysIn.nextLine(); try { bill = Double.parseDouble(strAmount); while (bill < 0) { System.out.print(

问题 Is there any way in PHP to split try and catch across two different "include files", putting the try in one file and the catch in another? Something like: <?php include('begin_try.php'); ... //some code goes here ... include('end_try_and_catch_exceptions.php'); ?> //filename: begin_try.php: <?php header('Content-type: application/json'); try { ?> //filename: end_try_and_catch_exceptions.php: <?php } catch (Exception $e) { echo json_encode(array( 'error' => array( 'code' => $e->getCode(),

问题 I have code that is using telnet and requires a login. If the login is incorrect, it returns "Incorrect login" to the console. I want to catch this exception and skip it so it doesn't stop the program. What I tried is below: try: session.write("username".encode('ascii') + b"\r") session.write("password".encode('ascii') + b"\r") ***this is the point where the console will return "Incorrect login"*** except sys.stdout == "Incorrect login": print(sys.stdout) pass else: **Rest of the code** It