[Solved] Regarding doing research on a main method() [closed]

[ad_1] The main method must be declared public, static, and void; from JLS 12.1.4: The method main must be declared public, static, and void. It must specify a formal parameter (ยง8.4.1) whose declared type is array of String. Therefore, either of the following declarations is acceptable: public static void main(String[] args) public static void main(String… … Read more

[Solved] Performance: While-loop

[ad_1] I would suggest neither, rather I would suggest this List<int> data = Enumerable.Range(0, 10000000).ToList(); int j = -1; // Method 1 while (++j < data.Count) { // do something } int j = 0; do { //anything } while (++j<data.count); pre-increment operation is faster than post, although a small performance advantage 3 [ad_2] solved … Read more

[Solved] How to make a RecyclerView with a ratngBar inside it so the the user can rate the RecylerView items

[ad_1] You need to use add the OnRatingBarChangeListener to handle the OnRatingBarChanged event. Add the necesary code to the onBindViewHolder method: @Override public void onBindViewHolder(@NonNull FoodViewHolder foodViewHolder, int i) { FoodItem currentItem = arrayList.get(i); foodViewHolder.viewHolderImageView.setImageResource(currentItem.getFoodImage()); foodViewHolder.viewHolderTextView.setText(currentItem.getFoodName()); foodViewHolder.viewHolderRatigBar.setRating(currentItem.getFoodRating()); foodViewHolder.viewHolderRatigBar.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener(){ @Override public void onRatingBarChanged(RatingBar ratingBar, float rating, boolean fromUser){ currentItem.setFoodRating(rating); } } } NOTE: The value … Read more

[Solved] Class has no member speak? [closed]

[ad_1] void::speak(); //THE GLOBAL SCOPE HAS NO SPEAK It’s interpreting this as void ::speak() where leading an identifier (a name) with :: indicates to C++, “Look in the global scope of all names”. :: is the “scope resolution operator” In the header file, you should just use void speak(); since C++ sees it inside your … Read more

[Solved] How to POSITION my Marker to Always Follow the Slider-Handle?

[ad_1] Youc can set a position to image using Jquery See fiddle //set a begining position to img var slider = $(“.slider”)[0]; var sliderPos = slider.value / slider.max; var pixelPostion = slider.clientWidth * sliderPos; $(“.img”).css(“left”,pixelPostion-7 + “px”); //set a position to img when slide move $(document).on(‘input’, ‘.slider’, function() { var slider = $(“.slider”)[0]; var sliderPos … Read more

[Solved] c++ Array MEMMOVE bug

[ad_1] In your memmove call, you are using the incorrect length: memmove(s1+i+1,s1+i,strlen(s1)); strlen(s1) is the length of the string starting from the beginning and not including the null terminator. So there are two problems. First, you want the length of the string starting from the current position. Second, you want the length including the null … Read more

[Solved] ORA-00936: missing expression(UPDATED) [closed]

[ad_1] That syntax doesn’t looks correct. Try changing your query to something like below UPDATE (SELECT ANAM.NAME, ANAM.SEAT as NEWSEAT, ANAM2.TRAIN_NAME, ANAM2.SEAT, ANAM2.SEAT – ANAM.SEAT AS TOTAL FROM TBL_PASSENGER ANAM INNER JOIN TBL_TRAIN_LIST ANAM2 ON ANAM.NO = ANAM2.ID ) t SET t.NEWSEAT = t.TOTAL; 3 [ad_2] solved ORA-00936: missing expression(UPDATED) [closed]

[Solved] Matching color of a cell with another cell using VBA [closed]

[ad_1] The following code copies the color value from cell “C11” to cell “C4”: Range(“C4”).Interior.Color = Range(“C11”).Interior.Color As long as you work with valid Range-Objects, you can use different types to address the cells as fits your needs. For example the active selection (at least one cell or more): Selection.Interior.Color = Range(“C11”).Interior.Color 1 [ad_2] solved … Read more

[Solved] Generating a perfect maze in C

[ad_1] I think the algorithms you linked will work if you expand each cell into 4 cells, and use the top, left and top left as the walls if they exist. Walls below the cell will be handle as a wall above the cell below, if that makes sense? [ad_2] solved Generating a perfect maze … Read more