[ad_1] Time for a crash course on arrays in C. First of all, let’s fix the initializer for the array: int a[3][4] = { { 1, 2, 3, 4}, { 5, 6, 7, 8}, { 9, 10, 11, 12} }; This defines a 3-element array of 4-element arrays of int. The type of the expression … Read more
[ad_1] I am afraid not. But you can use IDE such as JetBrains which makes it easier to have proper indendation. [ad_2] solved Python loop syntax
[ad_1] try this demo for your application http://code4app.net/ios/Paint-Pad/4fcf74876803faec66000000 https://www.cocoacontrols.com/controls/smooth-line-view https://www.cocoacontrols.com/controls/acedrawingview https://www.cocoacontrols.com/controls/mgdrawingslate it may help you. 1 [ad_2] solved How to make a drawing program [closed]
[ad_1] This is a trick question. Presumably someone thought you could learn something from it. Presumably this person also thinks that a good way to teach a child to ride a bicycle is to flatten the bicycle’s tires, and put large boulders in the way, and randomly give the child a rough shove to the … Read more
[ad_1] Your query executes an INSERT (IE. Adds data to your table) It doesn’t retrive any record. The INSERT statement in T-SQL could use a SELECT subquery to feed the values that are requested by the columns listed after the INSERT. So your query add a new record every time you run it, but there … Read more
[ad_1] The JavaScript runtime is a single-threaded environment – – that is, it executes a single command at a time (synchronous). However, the browser that hosts the JavaScript runtime runs in a multi-threaded environment (the operating system). This means that while the JavaScript runtime can only process one line of code at a time, the … Read more
[ad_1] Delete the file instantly! This PHP code is a modified webshell. Those could be used to atack other websites and could lead to serious legal problems! After deletion you should also fix the leak that let the file in! [ad_2] solved WordPress Site hacked? Suspicious PHP file
[ad_1] #include <stdio.h> int temp(int fahr) { return 5*(fahr-32)/9; } int main() { int fahr, celsius; printf (“Enter fahrenheit value here: “); scanf(“%d”, &fahr); celsius = temp(fahr); printf (“The Celsius value is: %d “, celsius); return 0; } 2 [ad_2] solved Not getting the correct answer
[ad_1] void *ptr=10; This is not valid C, you need an explicit conversion with a cast like (void *) 10. printf(“%u”,ptr); This is not valid C, you need an explicit conversion with a cast like (unsigned int) ptr. Regarding the use of void pointers, they are generic object pointers, so you can assign a pointer … Read more
[ad_1] Keep space between your concatenation, $ok = 1; $sql = “UPDATE users SET fn = :first, ln = :last”; if($ok == 1){ $sql .= “, phone = :phone “; } $sql .= ” WHERE users.id = :id”; 0 [ad_2] solved adding php if condition in mysql query
[ad_1] For all pragmatic purposes, no, there is no relevant difference. Your script output will be “Example” in both cases. And in both cases, myCode() was executed before. In fact, the OPCodes in both cases will be the same, because PHP will echo everything outside of <?php tags. It’s basically just an implicit echo. Technically, … Read more
[ad_1] TL/DR: Yes. If not, it’s likely your own fault. But there are a few easy fixes for when an OL application becomes slow/unresponsive. Use the image render mode(previously known as ImageVector) for large vector layers. ol.layer.Vector({ renderMode: ‘image’, … }) Great performance, but point symbols and texts are always rotated with the view and … Read more
[ad_1] try this, public void updateQty(Integer qty,String bookId) { int originalQty = getQuantity(bookId); int updateQty = originalQty – qty; try{ SQLiteDatabase db = this.getWritableDatabase(); String rawQuery = “update ” + BOOKS_TABLE + ” set ” + KEY_QTY + ” = ” + updateQty + ” where ” + KEY_BOOK_ID + ” = ‘” + bookId … Read more
[ad_1] Read a good C++ programming book then see this C++ reference. Read also the documentation of your C++ compiler (perhaps GCC). Read also some operating system textbook. Consider using frameworks such as POCO or Qt or Wt. With a multi-core processor, you might use C++ threads. You’ll need to synchronize them, e.g. using mutex … Read more
[ad_1] Yes, It is possible to reduce query time using view because it have clustered index assigned and they’ll store temporary result that can speed up resulting queries. 2 [ad_2] solved MySQL View is faster or not for querying from DB that containd 40 million data [closed]