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How to display a dynamically allocated array in the Visual Studio debugger?
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For beginners: If you select "a" variable, right click and add to watch list (inspect), if you open de debugger view in the list of watched values (I can't find the name of the window right now), you can double click "a" and rename it "a,X" where ...
Why can't C compilers rearrange struct members to eliminate alignment padding? [duplicate]
...erent type than the one seen by the compiler, for example:
struct S {
char a;
int b;
char c;
};
struct S_head {
char a;
};
struct S_ext {
char a;
int b;
char c;
int d;
char e;
};
struct S s;
struct S_head *head = (struct S_head*)&s;
fn1(head);
struct S_ex...
LISTAGG in Oracle to return distinct values
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19c and later:
select listagg(distinct the_column, ',') within group (order by the_column)
from the_table
18c and earlier:
select listagg(the_column, ',') within group (order by the_column)
from (
select distinct the_column
from t...
Storing integer values as constants in Enum manner in java [duplicate]
...words I have a value with me and I want to get the corresponding enum with selected value. Can you answer?
– Anas Azeem
Apr 25 '16 at 10:39
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INSERT with SELECT
I have a query that inserts using a select:
8 Answers
8
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How do I print the full value of a long string in gdb?
...rinting a SQL query results in:
(gdb) x/300sb stmt.c_str()
0x9cd948: "SELECT article.r"...
0x9cd958: "owid FROM articl"...
..
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How to change the default charset of a MySQL table?
... in a database, you can use this query and execute the resulted queries : SELECT concat('alter table ', table_name, ' CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;') FROM information_schema.tables WHERE table_schema='<your_database_name>' and table_collation != 'utf8_general_ci' GR...
Select something that has more/less than x character
Was wondering if it's possible to select something that has more/less than x characters in SQL.
4 Answers
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How to get a float result by dividing two integer values using T-SQL?
...s or parameters which are integers, you can cast them to be floats first:
SELECT CAST(1 AS float) / CAST(3 AS float)
or
SELECT CAST(MyIntField1 AS float) / CAST(MyIntField2 AS float)
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What does “dereferencing” a pointer mean?
...he pointer may be relative to some specific memory area, which the CPU may select based on CPU "segment" registers or some manner of segment id encoded in the bit-pattern, and/or looking in different places depending on the machine code instructions using the address.
For example, an int* properly ...