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Deprecated: mysql_connect()
... with @:
<?php
$connect = @mysql_connect('localhost','root','');
mysql_select_db('dbname');
?>
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Under what circumstances are linked lists useful?
...s contained within the object that's a list element - whether as part of a union (in C terms) or not. Point 3 only applies in languages that let you do it - C, C++, assembler good. Java bad.
– Steve Jessop
Mar 12 '10 at 1:01
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Change auto increment starting number?
...foobar(moobar) values ("def");
INSERT INTO foobar(moobar) values ("xyz");
select * from foobar;
'10', 'abc'
'11', 'def'
'12', 'xyz'
This auto increments the id column by one starting at 10.
Auto increment in MySQL by 5, starting at 10:
drop table foobar
create table foobar(
id IN...
How to use base class's constructors and assignment operator in C++?
...No operator=() defined
};
class Derived : public ImplicitBase {
const char* name_;
public:
Derived& operator=(const Derived& d)
{
ImplicitBase::operator=(d); // Call compiler generated operator=
name_ = strdup(d.name_);
return *this;
}
};
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How do I set a variable to the output of a command in Bash?
...-expanded before being passed to the echo command.
– Charles Duffy
Apr 21 '15 at 15:37
4
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Why is the use of alloca() not considered good practice?
...of the program's execution.
In the header file:
void DoSomething() {
wchar_t* pStr = alloca(100);
//......
}
In the implementation file:
void Process() {
for (i = 0; i < 1000000; i++) {
DoSomething();
}
}
So what happened was the compiler inlined DoSomething function and a...
SQL Server: Filter output of sp_who2
... SPID_1 INT,
REQUESTID INT
)
INSERT INTO @Table EXEC sp_who2
SELECT *
FROM @Table
WHERE ....
And filter on what you require.
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How to generate a random string in Ruby
I'm currently generating an 8-character pseudo-random uppercase string for "A" .. "Z":
50 Answers
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How can I find the last element in a List?
...ndLast(_ => true);, but I find just the underscore (or any other single character identifier) can be a bit confusing at times.
– Bob
Jan 29 '13 at 5:56
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PostgreSQL: How to pass parameters from command line?
...3="'2010-11-12'"
and then refer to the variables in sql as :v1, :v2 etc
select * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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