October 2022 - Page 307 of 400

[Solved] setImageBitmap() Throwing nullPointerExceprion [duplicate]

October 5, 2022 by Kirat

This is happening because you are calling below function setContentView(R.layout.activity_main); Views are not being initialized. Replcae your code with below code. @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); try { BitmapFactory.Options bitmapOptions = new BitmapFactory.Options(); bitmapOptions.inSampleSize = 2; Bitmap imageBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.img, bitmapOptions); //imageView for referencig imageView of layout file ImageView imageView=(ImageView)findViewById(R.id.imageView1); imageView.setImageBitmap(imageBitmap); … Read more

[Solved] Optimizing foreach loop that compares multiple things [duplicate]

October 5, 2022 by Kirat

If you have a IEnumberable of KeyValuePairs then you could do something like this: public bool AreAllSame(IEnumberable<KeyValuePair<Int64, MyObject>> list) { return list.Select(kv => kv.Value).Distinct().Count == 1; } Not sure whether it’s really optimized but, it’s shorter! :-] Of course, whatever you’re comparing will need to be comparable. 2 solved Optimizing foreach loop that compares multiple … Read more

[Solved] Can anyone explain me this quicksort example?

October 5, 2022 by Kirat

The code snippet swaps the values of array[left] and array[right], nothing more. It does so by first memorizing the value of array[left] in a temporary variable temp because it soon gets overridden. After that it overrides the value at array[left] with the value stored in array[right]. Finally it writes the memorized value of the old … Read more

[Solved] App aparece mensagem “app parou” [closed]

October 5, 2022 by Kirat

you haven’t provided any log details. Search your log for “fatal” and look for the main, its the best and the most direct lead to your problem. But from my experience some common mistakes causing this sort of problems are using the android: nameSpace instead of app: for AppCompat components in your xml files or … Read more

[Solved] Program received signal SIGSEGV, segmentation fault, Linked list program

October 5, 2022 by Kirat

You did not initialize numItems to zero. As unitialized it can be any number, including e.g. negative ones. Because of this your list is not created, hence pointer first points to NULL. Then the code segfaults in the function deleteList, when it tries to free memory at location NULL. 1 solved Program received signal SIGSEGV, … Read more

[Solved] AWT-EventQueue-0″ java.lang.NullPointerException

October 5, 2022 by Kirat

Don’t make the print method static. You need to call this after the user has made a file selection, passing in the file contents… Don’t create a new instance of the PrintText in the print this is not sharing the results of the file selection with the print method. Make sure you are honoring the … Read more

[Solved] javascript inside an eternal loop php code doesnt work [closed]

October 5, 2022 by Kirat

Use only Javascript, I haven’t tested it: <html> <head> </head> <body> <div> <object width=”100%” height=”100%” id=”liveTV_api” name=”liveTV_api” data=”http://www.extratv.gr/media/imgs/flowplayer-3.2.15.swf” type=”application/x-shockwave-flash”><param name=”allowfullscreen” value=”true”><param name=”allowscriptaccess” value=”always”><param name=”quality” value=”high”><param name=”bgcolor” value=”#000000″><param name=”flashvars” value=”config={"clip":{"url":"mpegts_256.stream","provider":"rtmp","live":true,"scaling":"fit"},"plugins":{"rtmp":{"url":"http://www.extratv.gr/media/imgs/flowplayer.rtmp-3.2.11.swf","netConnectionUrl":"rtmp://213.16.167.186:1935/live","subscribe":true}},"playerId":"liveTV","playlist":[{"url":"mpegts_256.stream","provider":"rtmp","live":true,"scaling":"fit"}]}”></object> <img id=”adtv” src=”https://stackoverflow.com/questions/26488622/img.png”> </div> <script type=”text/javascript”> function update() { var now = (new Date()).getHours(), start = 12, end = 13; if(now >= start && now <= … Read more

[Solved] Write scheme LISP Atomic_Count [closed]

October 5, 2022 by Kirat

Not too hard, the main point is that you need some kind of buffer (called prev in my case) to wait for a possible multiplication: (define (atomic_count lst) (let loop ((lst lst) (prev 0)) (if (null? lst) prev (let ((elt (car lst))) (cond ((list? elt) (+ prev (loop (cdr lst) (loop elt 0)))) ((number? elt) … Read more

[Solved] How do i seperate my menu section form my main area on CSS [closed]

October 5, 2022 by Kirat

Do you mean something like this: http://jsfiddle.net/byxwr1he/2/ HTML: <div id=”header”> header </div> <div id=”mainContainer”> <div id=”sidePanel”> side panel </div> <div id=”main”> main content <div id=”footer”> footer </div> </div> </div> CSS: div { border: 2px solid blue; } #mainContainer { height: 500px; position: relative; } #sidePanel { float: left; top: 0; bottom: 0; width: 150px; position: … Read more

[Solved] Compile c/c++ program using gcc [closed]

October 5, 2022 by Kirat

You should compile with g++, not gcc because it’s C compiler and <vector> is a C++ header file (not mentioning <vecotr> which is a typo) If you have to use C compiler, you have to remove all C++ dependencies from header files which are included from the C sources. solved Compile c/c++ program using gcc … Read more

[Solved] Prevent user from copying URL from address bar [closed]

October 5, 2022 by Kirat

you can use history.pushState() to set the url bar to something that doesn’t give away secrets. for example, run this in the console: history.pushState(null, null, “https://stackoverflow.com/”); After running, it now looks like you’re on the stack home page, even though you are still on /questions/26537657/prevent-user-from-copying-url-from-address-bar/. it won’t stop hackers, but it will prevent naive users … Read more

[Solved] Objective-C Bug this class is not key value coding-compliant for the key dateAMPM [closed]

October 5, 2022 by Kirat

Take a look at the storyboard. You still have the dateAMPM and the dateLabel outlets tied to the initial view controller. you actually have to right click on the first icon on the top and manually delete the connection (click on the cross), where the yellow warning sign displays. . solved Objective-C Bug this class … Read more

[Solved] Following the logic behind this particular piece of basic JavaScript code

October 5, 2022 by Kirat

What specifically is happening here? I am calling the object james and am I passing it a value? Only functions can be called; the syntax james[aProperty] is property access using the bracket notation. It’s like dot notation, but accepts an expression to use as the name of the property instead of an identifier*. * Identifier … Read more

[Solved] Why is this wrong? C++ Analysing Date and Time

October 5, 2022 by Kirat

This is probably what you want: if(pos != string::npos) { mystring = mystring.erase(0, 13); int z = 0; for(int i = 0; i < mystring.Length(); i++) { if(isalpha(mystring[i])) z++; } if((int)mystring[0]-‘0’ > 3) z++; //(int)mystring[0]-‘0’ converts it to int. if((int)mystring[3]-‘0’ > 1) z++; if(mystring[6] != ‘2’) z++; //No conversion needed for != if(mystring[7] != ‘0’) … Read more

[Solved] How to bind a keypress to HTML document? [closed]

October 5, 2022 by Kirat

Quickest way sonce you brought up jQuery: $(“#target”).on (“keyup”, function () { //animations }); http://api.jquery.com/keyup/ 1 solved How to bind a keypress to HTML document? [closed]