JLabel is a subclass of JContainer. JContainer offers a public method named setFont(), so you can call it from any place in your program, where you have a reference to the label object (the Lives’ constructor is a valid place though). The possbility to change a super class’ attribute depends on its visibilty (for example … Read more
With jQuery alone you can’t fetch data from mysql. If your question is to load with the page or get the data from php after loading, I can say, that loading with page is better, because the text is standing on the page when you load it and jquery will have a delay to display … Read more
What you want to do cannot be done. Not mentioning the fact that as you mentioned, this database format is proprietary and also it cannot be accessed as you like. You cannot query the database for a list of artists or a list of albums. It has not been built for that purpose. Your Gracenote … Read more
Yes, the wrong part is AUTO_INCREMENT. there is no AUTO_INCREMENT in SQL Server. It should be IDENTITY. Again, you are trying to create two IDENTITY field in your table. that’s not allowed. You can have only one IDENTITY field. start and end are reserve word. You need to escape them using [] (square brackets) You … Read more
With the risk of summoning all sorts of foul creatures (and I’m not mainly referring to SO users), here’s a little unit test for you: [TestMethod] public void RegexTest() { var input = “<th>192.168.1.1</th>\r<th>443</th>”; var regex = @”(?s)<th>([0-9\.]*?)</th>.*?<th>([0-9]*?)</th>”; var matches = Regex.Matches(input, regex); foreach (Match match in matches) Console.WriteLine(“IP: {0}, port: {1}”, match.Groups[1].Value, match.Groups[2].Value); } … Read more
The big O complexity of the algorithm is O(N) where N is the array size. You cannot improve on that … for the arguments provided and producing the same output. There are some things that can be done to improve efficiency though. Hint: look for a computation that is performed on each loop iteration that … Read more
The issue here is that you’re not saving a reference to the original object… you’re overwriting your object variable in the for-loop and then returning the final value of that variable. Perhaps you should add a line like: var current = object; and then use current instead of object in the rest of your function. … Read more
You can try swaping first and last char value like below. =========================================== String s = “asd321tre2”; char[] charr = s.toCharArray(); int end = 0; for (int i = s.length(); i <= 0; i–) { if (Character.isLetter(charr[i])) { end = i; } } String output = charReplace(end, charr); } private static String charReplace(int end, char[] ch) … Read more
Many GLSL implementations don’t actually compile the shaders until you call LinkProgram. When you call CompileShader it just does a basic syntax sanity check. That’s because to get reasonable performance on most GPUs, whole program optimization is needed. Thus, you might see what one would normally consider “compile” errors only when you link. solved GLSL … Read more
You cannot access and populate any view before it is loaded, and it does so only once the whole application has been loaded. A UITableView is a subclass of UIView, so the same applies in this case. “I want to do this because when tab with TableView is clicked first time -> Data loading takes … Read more
In javascript you can check existence of any object just by calling a condition with it if (data.sources[i]) { // Do whatever you want here, even call data.sources[i].id } So for you code if you want to check existence of those objects it would become like this: for (var i = 0; i < data.sources.length; … Read more
Assuming 10,john should be 15,john this looks like a very simple join. If the below model is incorrect please copy it, edit it and add to your question. drop table if exists t1,t2,t3; create table t1(u_id int, name varchar(10), prd int); create table t2(u_id int, temp int); create table t3(u_id int, Office int); insert into … Read more
Assuming your data is stored in the database, see SAP’s help on AVG solved Average calculation
first of all change this line of code: mPagerAdapter = new ScreenSlidePager.ScreenSlidePagerAdapter(getSupportFragmentManager()); to this: mPagerAdapter = new ScreenSlidePagerAdapter(getSupportFragmentManager()); it seems you copied your adapter from another page change place you are defining your pager: private ViewPager mPager; above the onCreate 8 solved Determine why my android app crashes upon opening [duplicate]
Introduction Android is a powerful platform for developing mobile applications. It provides a wide range of features and capabilities that can be used to create powerful and engaging applications. One of the most important features of Android is its ability to receive and parse JSON data. JSON (JavaScript Object Notation) is a lightweight data-interchange format … Read more