Month: September 2022

[Solved] php + Highcharts.js + convert from mysql to mysqli causes error [duplicate]

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If you are going to convert your code to mysqli_*, then it should be in a prepared statement manner. Lets re-establish your MySQL connection in db.inc.php: <?php $conn = new mysqli(“localhost”, “Datenbank-Username”, “Datenbank-Passwort”, “Datenbank-Name”); /* CHECK CONNECTION */ if (mysqli_connect_errno()) { printf(“Connect failed: %s\n”, mysqli_connect_error()); exit(); } /* CHANGE CHARACTER SET TO utf8 */ if … Read more

[Solved] Null pointer exception on button send [closed]

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Just write your if loop after declaration of your all the views in your onCreate() as below: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); buttonSend = (Button) findViewById(R.id.buttonSend); textTo = (EditText) findViewById(R.id.editTextSendTo); textSubject = (EditText) findViewById(R.id.editTextName); textMessageContact = (EditText) findViewById(R.id.editTextContact); textMessageEmail = (EditText) findViewById(R.id.editTextEmail); textMessageAmount = (EditText) findViewById(R.id.editTextAmount); spinner = (Spinner) findViewById(R.id.spinner); buttonSend.setOnClickListener(new OnClickListener() … Read more

[Solved] Trouble writing a select query [closed]

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It looks like vb code if you want c# code then use following code cmd = new SqlCommand(“select name from wq where id='” + TextBox1.Text + “‘”, con); con.Open(); dr = cmd.ExecuteReader(); dr.Read(); TextBox2.Text = dr[0].ToString(); dr.Close(); con.Close(); 7 solved Trouble writing a select query [closed]

[Solved] jquery what does command mean $() [closed]

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It depends on what myObj is and where myObj.$().trigger(“name”) is found. In the past, I’ve seen similar methods where an object (say a view or controller within an MV* framework) has a $() method associated with it. The call to $() might return a jQuery wrapped element associated with the view (either constructed by the … Read more

[Solved] How to get serial numbers dynamically? [closed]

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remember to increase the number for each row. <?php $serial_no = 1; foreach ($seats as $seat) { ?> <tr> <td> <?php echo $serial_no++; ?> </td> <td> other markup here </td> <tr> <?php } ?> 4 solved How to get serial numbers dynamically? [closed]

[Solved] How to chain Ternary Operators? [closed]

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This is the way: linkedItemType == LinkedItemType.Prospect ? “pendo-prospects” : linkedItemType == LinkedItemType.Loan ? “pendo-loan” : “pendo-task”; Or, the same thing broken onto different lines for readability: linkedItemType == LinkedItemType.Prospect ? “pendo-prospects” : linkedItemType == LinkedItemType.Loan ? “pendo-loan” : “pendo-task”; 0 solved How to chain Ternary Operators? [closed]

[Solved] Convert if condition into ternary with C#

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If you have multiple fields to check, simply make a small helper method that returns a string (or empty) based on a condition (boolean): messageErreur += Check(!myField.IsNullOrNa(), myField.IsDecimalWithMessage(nameof(myField)); messageErreur += Check(myField.HasError(), myField.HasError(nameof(myField)); private string Check(bool condition, string message) => condition ? message : string.Empty; 0 solved Convert if condition into ternary with C#

[Solved] Can functions be in a struct?

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Yes, the only differences between a struct and class in C++ are: In C++, a structure is a class defined with the struct keyword. Its members and base classes are public by default. A class defined with the class keyword has private members and base classes by default. This is the only difference between structs … Read more