try if($_SERVER[‘REQUEST_METHOD’]==”POST”){ or if(isset($_POST[‘update’])){ instead of if (isset($_POST[‘Submit’])) { the name of the submit button is update not Submit on your form also stop using mysql_* functions. If you have to use them for now, at least escape the inputs properly before inserting them to database. 1 solved Submit returning a blank page
I would guess that you can use e.g. gdk_display_put_event(), but your question is not very clear. Do you expect other applications than your own to see the emulated keyboard events? Not sure GDK can do that. solved How simulate a key event with GDK? [closed]
I think you started in the wrong way: your node structure contains pointer to a pointer. struct node { string info; struct node **next; }; that might be the reason the code does not make sense. You can use (and generally you do things this way) a simple pointer: struct node { string info; struct … Read more
Declare an array of twenty-six characters. In a loop from zero to twenty-four (inclusive) generate a random value between ‘0’ and ‘9’, and add to the array. Terminate the array with the string terminator. Now you have a string with 25 random decimal digits. For the actual random-number generation, I suggest you look into the … Read more
Assuming you want a list of dicts as the output of the json with each dict be the form in your question: The following one liner will put it into the data structure your looking for with each tuple generating it’s own complete structure: [{‘name’:i[0], ‘children’: [{‘name’: i[1], ‘value’: i[2]}]} for i in tuples] But … Read more
If you go through for you will find all the expressions are wrong – For for($x++ ; $x==2 ; $x=2) The first $x++ 0. – Incrementing an undefined variable sets it to 1, because it converts null to 0 when it’s used in an arithmetic context.. The second $x==2 will return false and the iteration … Read more
Your variable age gets a String from the prompt. For it to work you need to convert it to an int with the operator +: If the use of the + operator feels strange to you in this case, you can always use the function parseInt() instead. It will achieve the same result. var age … Read more
Introduction Solved is a term used to describe a problem that has been successfully addressed and resolved. It is not a statement of fact, but rather a declaration that a problem has been solved. While it may be true that a problem has been solved, simply stating “Solved” does not guarantee that the problem has … Read more
Codeigniter and other popular frameworks like Zend, cake, Yii etc. they all provide methods and structure which to a certain extent force the developer to write code that is resistant to common exploits such as cross site scripting XSS, and SQL injection and other hacks. but everything really depends on the developer. frameworks will only … Read more
You need to use state variables to enable and disable button. Look in below enable if you click reset or reload it will toggle class App extends React.Component{ state = { isResetDisable: false, isReloadDisable: false, } handleButtonPress(token){ console.log(token+” “+”pressed”) } render(){ return( <div> <div> <a onClick={()=>this.setState({isResetDisable: !this.state.isResetDisable})}> Click Reset lable to toggle button </a> <input … Read more
I expect you are looking for the ternary operator, which lets you compress conditional statements down into a single expression like so: // returns the nth number in the fibonacci sequence public static int fib(int n) { return (n < 2) ? n : fib(n-1) + fib(n-2); } P.S. This should work for both standard … Read more
The order in which the arguments of printf are evaluated is implementation specific. Output change from machine to machine. solved Assignment aand Precedence of operators in c [duplicate]
I have solved this exercise, but I think it is not a perfect solution. Does anybody have another way to solve this task? public static void main(String[] args) { printMatrix(5); } public static void printMatrix (int n) { int d = n +(n-1); int k = n*2; int g = -1; for (int i = … Read more
The android:name of an activity in the manifest should be a Java class name of your activity, not a string like QR decode. solved Anddroidmainfeast.xml is not valid
Here is a description of malloc(). It takes a parameter size, in bytes. So if the user entered 5 words, then you need to first allocate an array big enough to store 5 pointers. Eg. char ** words = NULL; words = malloc(sizeof(char *) * <NUMBER OF CHARACTERS THE USER ENTERED>); If we assume ASCII … Read more