[Solved] How to put multiple parameters in one $ [closed]

[ad_1] It’s not JS, . will not sum up numbers, but convert it to string $d = $a . $b . $c; Please note, that you are working with float numbers, so sometimes instead of 1200.00 you can get 1199.999999999999999999998 and outputting it will trim your .00 part. That’s why you need to use number_format() … Read more

[Solved] Polymorphic object creation without IF condition

[ad_1] You want to make collection of records, by string code of object type, and parameters. One of many way to do it – use builder. Firstly we need to configurate builder: var builder = new RecordBuilder() .RegisterBuilder(“document”, (source, value) => new Document(source, value)) .RegisterBuilder(“headlines”, (source, value) => new Headlines(source, value)); here we specify how … Read more

[Solved] NullPointerException object and arrays

[ad_1] The method is lack of a modifier static It should be public static void main(String[] args) {. Change your code of class SearchComparison as follows and you will get the right result. public class SearchComparison { public static void main(String[] args) { StopWatch watch = new StopWatch(); ArrayUtilities utilities = new ArrayUtilities(); watch.start(); utilities.generateRandom(5); … Read more

[Solved] Flattening nested list in java [closed]

[ad_1] It seems that a raw list/array needs to be created including fields from Employee and Address (assuming appropriate getters exist in these classes): List<List<Object>> flattened = list.stream() .flatMap(emp -> emp.getAddresses().stream() .map(addr -> Arrays.asList( emp.getName(), emp.getId(), addr.getAddress(), addr.getPostalCode() )) ) .collect(Collectors.toList()); flattened.forEach(System.out::println); // should print desired result [ad_2] solved Flattening nested list in java [closed]

[Solved] How to pass a text from one activity to all activities?

[ad_1] Just store the text as string in shared preferences and then get the string in other activities.. or you can also use broadcast receiver in all other activities. But first all the activities should call the receiver first then the MainActivity can send the text. In MainActivity, this.getSharedPreferences(“MyPrefName”, Context.MODE_PRIVATE).edit().putString(“parsetext”,”yourtext”).apply(); and in the other activities.. … Read more

[Solved] SQL Multiple count on same row with dynamic column

[ad_1] Since you are using SQL Server then you can implement the PIVOT function and if you have an unknown number of period values, then you will need to use dynamic SQL: DECLARE @cols AS NVARCHAR(MAX), @query AS NVARCHAR(MAX) select @cols = STUFF((SELECT distinct ‘,’ + QUOTENAME(‘PeriodId’+cast(periodid as varchar(10))) from Periods FOR XML PATH(”), TYPE … Read more

[Solved] C/C++ Compressing Integer to Short and Decompressing to Integer [closed]

[ad_1] For 16 bits, there are 216 = 65,536 possible settings. Each setting of bits can represent at most one value. So 16 bits of data can represent only 65,536 values. 32 bits have 232 = 4,294,967,296 possible settings. If your 32-bit data uses more than 65,536 of the possible values that could be represented, … Read more