Kirat This should work (haven’t tested it though) public static bool _Invoked; Form2 f2 = new Form2(); private void button1_Click(object sender, EventArgs e) { if (!_Invoked) { _Invoked = true; f2.Show(); } else if (_Invoked) { f2.BringToFront(); _Invoked = false; } } Add a comment for further clarification EDIT: Just tested this and its working Form2 … Read more
Did you read the Android documentation about NFC? There is descriped how to read that tags. 4 solved Read Barcode with NFC [closed]
(www\.)?[^ ]+?(\.com|\.info|\.pk) Technically does what you want with that test string. What’s the purpose though, any more test cases? 3 solved Find Domain Names From A String
searchInput=searchValue.value; That will get the .value property of the <input> when it is executed, instead of creating a pointer to it. The variable searchInput will just contain the empty string, and that won’t change. Move that assignment into the event handler to retrieve the value when the button is clicked, and it will work. (working … Read more
URI website = new URI(“http://example=” + et.getText() + “json”); You didn’t connect your EditText et with it’s view. So et.getText will give you an error. URI website = new URI(“http://example=” + et.getText() + “json”); change it to URI website = uRI; and pass your URI while processing doInBackground like – String uRI = “http://www.example.com/example.json”; JSONObject … Read more
Symbol#empty is basically defined as self.to_s.empty? (with self being the symbol). So to answer your question why :””.empty? is true: It is because :””.to_s (the empty string) is empty. To adress your comment: :any_symbol.empty? is false, because :any_symbol.to_s.empty? is false. It’s the same thing. Maybe empty? is not the method you are looking for. Maybe … Read more
You could try something like this, test = (condition)?”somevalue”:”somevalue” Basically, I am using ternary operators. If the condition is true, then the value after ‘?‘ gets assigned to test. Otherwise, test will equal to the value after ‘:‘. 🙂 4 solved string assignment with or operator [closed]
The problem is exactly what the compiler said: the UploadProgressChangedLibArgs type couldn’t be found. That’s another type within the same library – so you need to port that before you can port an event which uses it. As noted in comments, I’d advise you to avoid porting C# to VB or vice versa unless you … Read more
This is not a very good question as there is no issue/problem. But I will recommend Swipe 4 solved Creating div slideshow [closed]
The default Scanner delimiter is a space. So, one of your next() calls is consuming the last name as well as the score (“Potter,72” for example). Hence, the nextInt() call is failing. Also, you seem to be trying to read four values when you have only two (considering the Scanner is treating the last name … Read more
If the existing queries do what you want/need, UNION will make it pretty simple to combine them, something like; SELECT * FROM ( SELECT is_private 0, <field1>,<field2>,<field3>, … ,(SELECT COUNT(*) FROM votes WHERE message_id = m.message_id AND vote_type=”like”) AS likes, (SELECT COUNT(*) FROM votes WHERE message_id = m.message_id AND vote_type=”dislike”) AS dislikes FROM messages m … Read more
while (1) { scanf(“%d”, &n0); if (n0==0) break; … } 1 solved How to solve this code? [closed]
If you need to trigger a function call on assignment, you can wrap the type in a class that overrides the assignment operator; note that you may want to override more than just assignment, this is just an example and not a style guide 🙂 #include <iostream> template<class T> class wrap { private: T value; … Read more
Try like $bdd->exec(‘DELETE FROM `’ . $_SESSION[‘prenom’] . ‘friendlist` WHERE name=”‘ . mysql_real_escape_string($_POST[‘deletefriend’]) . ‘”‘); or like It will work $bdd->exec(“DELETE FROM “. $_SESSION[‘prenom’] . “friendlist WHERE friendname=””.$_POST[“deletefriend’].”‘”); Delete From table_name …. will be the syntax for that 23 solved MySQL delete request not working [closed]
String.split() would be the ideal choice – it takes a regular expressions — which can be used to define everything from the very simplest of patterns to the most complex ones . As per Java API Doc – StringTokenizer is a legacy class that is retained for compatibility reasons although its use is discouraged in … Read more