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

[ad_1] 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. [ad_2] solved C++: virtual functions with multiple derivations

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

[ad_1] 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]

[ad_1] 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 … Read more

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

[ad_1] 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 … Read more

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

[ad_1] 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]

[ad_1] 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 … Read more

[Solved] Read Json using C# [closed]

[ad_1] 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”], … Read more

[Solved] Why null is returned?

[ad_1] 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 [ad_2] solved Why null is returned?

[Solved] Printing Month Name in Linq

[ad_1] Rather than using ToString, try string.Format. Something like: var query = (from e in Employees let month = e.BirthDate.GetValueOrDefault() let birthmonth = string.Format(“{0:MMMM}”, month) select birthmonth); query.Dump(); This seems to work from my local testing, although it is not included as part of the SQL query. 0 [ad_2] solved Printing Month Name in Linq

[Solved] Converting a large ASCII to CSV file in python or java or something else on Linux or Win7

[ad_1] If you are absolutely certain that each entry is 92 lines long: from itertools import izip import csv with open(‘data.txt’) as inf, open(‘data.csv’,’wb’) as outf: lines = (line[2:].rstrip() for line in inf) rows = (data[1:89] for data in izip(*([lines]*92))) csv.writer(outf).writerows(rows) 1 [ad_2] solved Converting a large ASCII to CSV file in python or java … Read more

[Solved] How to hide Navigation Bar? [closed]

[ad_1] Try out this to remove the navigation bar. (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; // Override point for customization after application launch. MasterViewController *masterViewController = [[[MasterViewController alloc] initWithNibName:@”MasterViewController” bundle:nil] autorelease]; self.window.rootViewController = masterViewController; [self.window makeKeyAndVisible]; return YES; } 1 [ad_2] solved How to hide Navigation Bar? [closed]