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Why is sizeof considered an operator?

...operator rather than a function. For instance: union foo { int i; char c[sizeof(int)]; }; Syntactically if it weren't an operator then it would have to be a preprocessor macro since functions can't take types as arguments. That would be a difficult macro to implement since sizeof can take...
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Can an int be null in Java?

... primitive types,we have fixed memory size i.e for int we have 4 bytes and char we have 2 bytes. And null is used only for objects because there memory size is not fixed. So by default we have, int a=0; and not int a=null; Same with other primitive types and hence null is only used for...
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How to assign string to bytes array

...ize of the slice and use an array instead. My answer below trims the extra chars to make sure you do not overflow the array. – DavidG Feb 14 '16 at 5:17 3 ...
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Different font size of strings in the same TextView

... is there a way to move the characters which are small to the center in the vertical direction? Basically all the characters should be vertically centered regardless of the size. – 500865 Sep 23 '16 at 22:16 ...
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NSString tokenize in Objective-C

... @Adam, I think what you wanted was componentsSeparatedByCharactersInSet. See answer below. – Wienke Aug 28 '12 at 0:01 add a comment  |  ...
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get string value from HashMap depending on key name

... Suppose you declared HashMap as :- HashMap<Character,Integer> hs = new HashMap<>(); Then,key in map is of type Character data type and value of int type.Now,to get value corresponding to key irrespective of type of key,value type, syntax is :- char tem...
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You can't specify target table for update in FROM clause

...llow you to write queries like this: UPDATE myTable SET myTable.A = ( SELECT B FROM myTable INNER JOIN ... ) That is, if you're doing an UPDATE/INSERT/DELETE on a table, you can't reference that table in an inner query (you can however reference a field from that outer table...) Th...
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From Arraylist to Array

... The method toArray(T[]) in the type ArrayList<Character> is not applicable for the arguments (char[]) – Aaron Franke Apr 2 '18 at 4:28 add a co...
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sql query to return differences between two tables

...colum C, here are the records, which are present in table A but not in B: SELECT A.* FROM A LEFT JOIN B ON (A.C = B.C) WHERE B.C IS NULL To get all the differences with a single query, a full join must be used, like this: SELECT A.*, B.* FROM A FULL JOIN B ON (A.C = B.C) WHERE A.C IS NUL...
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On select change, get data attribute value

... You need to find the selected option: $(this).find(':selected').data('id') or $(this).find(':selected').attr('data-id') although the first method is preferred. shar...