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Postgresql GROUP_CONCAT equivalent?
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The result of casting an array to text is that the resulting string starts and ends with curly braces. Those braces need to be removed by some method, if they are not desired.
Casting ANYARRAY to TEXT best simulates CSV output as elements that contain embedded commas are double-quot...
Group a list of objects by an attribute : Java
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In Java 8:
Map<String, List<Student>> studlistGrouped =
studlist.stream().collect(Collectors.groupingBy(w -> w.stud_location));
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How to initialize an array in Java?
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+1. You have an extra opening brace. One can also write: data[0] = 10; data[1] = 20; .... after int data[] = new int[10], but it is too much code and it will end up doing the same thing.
– Hamish Grubijan
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Mod in Java produces negative numbers [duplicate]
...om, then the branch prediction penalty will cost more clock cycles than an extra remainder calculation on most CPUs. Or, if you want to conditionally add a value based on whether an int is negative or not, try (maybeNegative >> 31) ^ thingToMaybeAdd + thingToAddTo
– Scot...
Determining 32 vs 64 bit in C++
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static_assert(sizeof(void*) * CHAR_BIT == 32) is more expressive and technically correct (although I don't know any architecture where bytes have different amount of bits than 8)
– Xeverous
Mar 4 '19 at 14:27
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jQuery get html of container including the container itself
... @mc10 we can simply use clone() and you will not have to worry about extra elements created. var x = $('#container').clone().wrap('<p/>').parent().html();. The idea of wrap is great and allot less complicated then most of the solutions provided.
– Pinkie
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Format of the initialization string does not conform to specification starting at index 0
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Check your connection string. If you need help with it check Connection Strings, which has a list of commonly used ones.
Commonly used Connection Strings:
SQL Server 2012
Standard Security
Server=myServerAddress;Database=myDataBase;User Id=myU...
Is there a good jQuery Drag-and-drop file upload plugin? [closed]
...desktop drag+drop plugin out there that I know of which allows you to send extra data along with the file, including data that can be calculated at the time of upload with a callback function.
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How to get last inserted id?
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string insertSql =
"INSERT INTO aspnet_GameProfiles(UserId,GameId) VALUES(@UserId, @GameId)SELECT SCOPE_IDENTITY()";
int primaryKey;
using (SqlConnection myConnection = new SqlConnection(myConnectionString))
{
myCon...
How to insert values into C# Dictionary on instantiation?
...Dictionary when I create it? I can, but don't want to, do
dict.Add(int, "string") for each item if there is something more efficient like:
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