I think what you are missing is, your one line with nested function calls is basically same as this code: int scanf_result = scanf(“%d%d,”,&i,&a); int printf_result = printf(“PRINT %d\t”, scanf_result)); printf(“%d”, printf_result); scanf call should return 2 if you entered valid input, but can also return -1 for actual error, or 0 or 1 if … Read more
It may be that your computer doesn’t have the capacity to run VS… Just restart VS (via task manager if it isn’t responding), if problem persists try restarting your computer. If this still doesn’t fix it reinstall VS. If you do decide to reinstall, make sure you fully uninstall first otherwise reinstalling would be pointless. … Read more
buffer is allocated with new[], so it must be freed using delete[] instead of delete. indicator is allocated with new, so it must be freed using delete and not delete[]. And there is no need to check for null, delete and delete[] already handle that for you: void FreeColumns() { for (auto &column : columns) … Read more
A subquery in the SELECT can only select one attribute. I’m not sure what you are trying to do, but you’ll have to re-write to something like: SELECT NUMBER , STATUS , ID , SUM(CASE WHEN STATUS like ‘closed’ and OPEN_TIME >= @DateFrom and CLOSE_TIME <= @DateTo THEN 1 ELSE 0 END) as closen , … Read more
The description you have given is basically check-list of functionality that needs to be implemented. My suggestion is to break each task down into smaller and smaller bits and that you can work your way through and check of as you do them. This will give you a nice roadmap, and also give you good … Read more
Option #1 #include <cstddef> #include <type_traits> #include <utility> #include <tuple> template <typename A, typename B> struct merge_tuples { static_assert(std::tuple_size<A>::value == std::tuple_size<B>::value, “!”); template <std::size_t… Is> static auto merge(std::index_sequence<Is…>) noexcept -> std::tuple<typename std::decay<decltype(std::declval<typename std::tuple_element<Is, A>::type>() + std::declval<typename std::tuple_element<Is, B>::type>()) >::type…>; using type = decltype(merge(std::make_index_sequence<std::tuple_size<A>::value>{})); }; DEMO Option #2 #include <type_traits> #include <utility> template <typename A, typename … Read more
Change JSONArray list = new JSONArray(Jo_result.getString(“result”)); To JSONObject list = new JSONObject(Jo_result.getString(“result”)); Your string is contained between {} which makes it an object. Keep in mind this {} = Json Object [] = Json Array UPDATE When you do this JSONObject resultsObject = list.getJSONObject(i); it’s expecting another object within the main object, for example : … Read more
When python searches for a module to import, it first uses sys.modules or the built-in modules: When a module named spam is imported, the interpreter first searches for a built-in module with that name. If not found … Since there is already an abc module you’re importing the wrong module. Change the name of your … Read more
You need to know the format of the response to parse it. I saw, that you used requests.get(). After your get request request = requests.get(…) request.json() will return a dict object of your JSON response. It looks like that (after formatted, used the codes like of @Alex): {u’sort’: u’relevance’, u’items’: [{u’marketplace’: False, u’imageEntities’: [ {u’entityType’: … Read more
I solved it by using YaHP Converter, if somebody else wonders, just take a look at their site. http://www.allcolor.org/YaHPConverter/ solved Convert .jsp or html file to pdf [closed]
One way to think about recursion is to try and solve only a small piece of the problem, and then imagine that recursive call ‘magically’ solves the rest of the problem. Importantly, you have to consider what happens when the rest of the problem is trivial to solve; this is called the base case. In … Read more
The apache http client makes this a piece of cake. Check the following tutorial for more details : http://www.vogella.com/tutorials/ApacheHttpClient/article.html http://www.mkyong.com/java/how-to-send-http-request-getpost-in-java/ solved convert curl to httpclient post [closed]
Using Linq is very simple: var newArray = array.OrderByDescending(x => x).Take(n).ToArray(); 2 solved How can i find the n largest integers in an array and returns them in a new array [closed]
Shuffle it with shuffle(): shuffle($xbb); Searching Google for php shuffle array will give you tons of results as well, by the way. solved php random array – random again when doing while [duplicate]
List<Customer> customers = GetCustomers(“ACT”); Task[] tasks = new Task[MaxNumOfConcurrentSaves]; While(customers.Length > 0) { for(int i = 0; i < MaxNumOfConcurrentTasks; i++){ tasks[i] = SaveCustomerData(customers[i]); customers[i] = null; } customers = List.FindAll<Customer>(customers, aCust => !(aCust == null)); Task.AwaitAll(tasks) } Ok so here’s whats happening (and you’ll have to perfect it for your uses): while we have … Read more