[Solved] Novice C++ project using loops, if else and switch [closed]

This’ll work. Please cross-check output for different inputs for coz haven’t had the time to do so. #include<iostream> using namespace std; int main (){ int units; double priceA,priceB,priceC; char package, goAgain; do { cout << “Enter the Package chosen. Enter ‘A’ or ‘a’ for package A.\n”; cout << “Enter ‘b’ or ‘B’ for package B.\n”; … Read more

[Solved] Dynamic textbox validation [closed]

Assuming cmbRateChart.SelectedValue contains qty value with respect to RangeChart. private void textBox_Validating(object sender, CancelEventArgs e) { bool cancel = false; int number = -1; if (int.TryParse(this.textBox.Text, out number)) { var validRange = Convert.ToInt32(cmbRateChart.SelectedValue) * 6; if (number <= validRange) cancel = false; //passed validation. else cancel = true; //failed validation, number is not in valid … Read more

[Solved] C++: virtual functions with multiple derivations

You’re right, C::fn() is called when my example is ran alone. My problem actually was that I was dynamically loading this class (C) with ros:pluginlib (http://ros.org/wiki/pluginlib) so the multiple inheritance issue is probably coming from there. That’s a completly different issue I’ll have to look into. solved C++: virtual functions with multiple derivations

[Solved] How to filter data before get it out from the database? [closed]

Can you try something like… private static final Uri SMS_URI = Uri.parse(“content://sms”); private static final String[] COLUMNS = new String[] {“date”, “address”, “body”, “type”}; private static final String WHERE = “type = 2”; private static final String ORDER = “date DESC”; // … ContentResolver cr = getContentResolver(); Cursor cursor = cr.query(SMS_URI, COLUMNS, WHERE + ” … Read more

[Solved] std::map operation by value or pointer? [closed]

Will that cause memory leak ? There are no memory leak in your program, but a compilation error, since there are no operator[] defined for struct B. Assuming you add to map here: while(true) { A a; a[0] = 0; b[inx] = a; ++inx; } there are no memory leaks. The memory will increase until … Read more

[Solved] iOS – Why wont my audio play in the background? [closed]

I have changed to iOS 5.1, because i don’t want to update my phone to a beta version of iOS… There are compile errors in this case. it would be helpful if you show how is created the player: NSURL *url = [NSURL fileURLWithPath:[[NSBundle mainBundle] pathForResource:_detailItem ofType:@”mp3″]]; NSError *error; player = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:&error]; … Read more

[Solved] How I Can Use Multi Table for While my data in php? [closed]

Here is a query writen to get all rows from your table. //connect to database $dbhost=”localhost”; $dbuser=”root”; $dbpass=””; $dbname=”databasename”; $conn = mysql_connect($dbhost, $dbuser, $dbpass); mysql_select_db($dbname, $conn) or die (‘connection problem’); $html=””; $sql = “” . ” SELECT * FROM customer, sell, control ” . “”; $data = mysql_query($sql); if (mysql_num_rows($data) > 0) { $html .= … Read more

[Solved] Issue with width in IE9 and older browsers [closed]

Possible reasons: 1.<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> 2.In the case of a scrollbar being placed on an edge of the element’s box, it should be inserted between the inner border edge and the outer padding edge. Any space taken up by the scrollbars should be taken out of (subtracted from the dimensions … Read more

[Solved] Read Json using C# [closed]

Your json is broken and many json parser would complain about it. I’ll use Json.Net for parsing. string json = @”{data: { “”1000″”: { “”country-id””: 1000, “”name1″”: { “”name””: “”Afghanistan””, }, }, “”4000″”: { “”country-id””: 4000, “”name1″”: { “”name””: “”Albania””, } }”; var countries = ((JObject)JsonConvert.DeserializeObject(json))[“data”] .Children() .Select(x => new { Id = (int)x.First()[“country-id”], Name … Read more

[Solved] Why null is returned?

This shouldn’t be the case. from wp in context.WorkPanels select wp; is equivalent to context.WorkPanels.Select(wp => wp);. The MS implementations of Select (Enumerable.Select / Queryable.Select) never return null. There must be something else wrong somewhere else. 4 solved Why null is returned?