Problem and Solution :
http://stackoverflow.com/questions/1081759/flex-embedding-hindi-fonts-problem
Sunday, July 5, 2009
Sunday, June 28, 2009
Drupal : HTTP request status fails
HTTP request status Fails
Your system or network configuration does not allow Drupal to access web pages, resulting in reduced functionality. This could be due to your webserver configuration or PHP settings, and should be resolved in order to download information about available updates, fetch aggregator feeds, sign in via OpenID, or use other network-dependent services.
go to: C:\Windows\System32\drivers\etc
and open "hosts"
put an # in front of ::1
This did it for me.
I use Windows Vista.
Saturday, June 6, 2009
Sunday, April 19, 2009
Test solutions :
Test solutions :
Tables :
teachers(teacher_id,teacher_name)
courses(course_id,teacher_id,num_of_students)
students(roll_no,stu_name)
stu_courses(roll_no,course_id)
(a) Teachers not teaching any courses :
Select teacher_name from teachers where teacher_id not in (select distinct(teacher_id) from courses);
OR
Select teacher_name from teachers left join courses ON(teachers.teacher_id = courses.teacher_id) where course_id is NULL;
(b) Students not taking any courses :
Similar to part (a).
(c) Teachers taking maximum courses :
(d) Students taking maximum courses :
similar to part (c)
(e) names of teachers teaching maximum number of students :
mysql> select max(tmp1.sum1) from (select teacher_id,sum(num_students) as sum1 f
rom courses group by teacher_id) as tmp1;
Tables :
teachers(teacher_id,teacher_name)
courses(course_id,teacher_id,num_of_students)
students(roll_no,stu_name)
stu_courses(roll_no,course_id)
(a) Teachers not teaching any courses :
Select teacher_name from teachers where teacher_id not in (select distinct(teacher_id) from courses);
OR
Select teacher_name from teachers left join courses ON(teachers.teacher_id = courses.teacher_id) where course_id is NULL;
(b) Students not taking any courses :
Similar to part (a).
(c) Teachers taking maximum courses :
select a.teacher_name as 'Teacher', a.teacher_id as 'Teacher Id', count(b.course_id) as 'Num of Courses'
from teachers a
inner join courses b on a.teacher_id = b.teacher_id
group by b.teacher_id
order by count(b.course_id) desc
limit 1
OR
mysql> select teachers.teacher_name,tmp1.teacher_id,tmp1.cnt from (select max(tm
p.cnt) as tmpMax from (select teacher_id,count(teacher_id) as cnt from courses g
roup by teacher_id) as tmp) as tmp2,(select teacher_id,count(teacher_id) as cnt
from courses group by teacher_id) as tmp1,teachers where tmp1.cnt = tmp2.tmpMax
and teachers.teacher_id = tmp1.teacher_id;
(d) Students taking maximum courses :
similar to part (c)
(e) names of teachers teaching maximum number of students :
mysql> select max(tmp1.sum1) from (select teacher_id,sum(num_students) as sum1 f
rom courses group by teacher_id) as tmp1;
Sunday, April 5, 2009
Misc
1. Vim : Decrement number : Ctrl-X
2. Flex datagrid automatic sort :
someDataGrid.dispatchEvent
(
new DataGridEvent
(
DataGridEvent.HEADER_RELEASE,
false,
true,
0, // The zero-based index of the column to sort in the DataGrid object's columns array.
null,
0,
null,
null,
0
)
);
3. Vim - Adding text before or after visually selected block(rectangle) :
Suppose you have selected a rectangle (using Ctrl-v), you can insert text in front of it by typing I (switch to insert mode) and inserting your text. As soon as you leave the insert mode, the text will be added to all the other selected lines. Use A to enter text after the selection.
2. Flex datagrid automatic sort :
someDataGrid.dispatchEvent
(
new DataGridEvent
(
DataGridEvent.HEADER_RELEASE,
false,
true,
0, // The zero-based index of the column to sort in the DataGrid object's columns array.
null,
0,
null,
null,
0
)
);
3. Vim - Adding text before or after visually selected block(rectangle) :
Suppose you have selected a rectangle (using Ctrl-v), you can insert text in front of it by typing I (switch to insert mode) and inserting your text. As soon as you leave the insert mode, the text will be added to all the other selected lines. Use A to enter text after the selection.
Thursday, April 2, 2009
Ejecting the CD Drive with PHP
Soruce
<?php
//create an instance of Windows Media Player
$mp = new COM("WMPlayer.OCX");
//ejects the first cd-rom on the drive list
$mp->cdromcollection->item(0)->eject();
?>
<?php
//create an instance of Windows Media Player
$mp = new COM("WMPlayer.OCX");
//ejects the first cd-rom on the drive list
$mp->cdromcollection->item(0)->eject();
?>
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