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Why is using a wild card with a Java import statement bad?
...happen. The compiler notices that there are two Event classes and gives an error.
– jan.vdbergh
Sep 29 '08 at 5:52
45
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Is #pragma once a safe include guard?
... on using #pragma once as opposed to include guards is to avoid copy/paste errors.
Let's face it: most of us hardly start a new header file from scratch, but rather just copy an existing one and modify it to our needs. It is much easier to create a working template using #pragma once instead of inc...
How do I convert a column of text URLs into active hyperlinks in Excel?
...l A1 contains a string longer than 255 characters. It results in a #VALUE! error
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HttpListener Access Denied
...ash if "MyUri" is empty, otherwise you'll get a The parameter is incorrect error. Example: url=http://+:80/
– Igor Brejc
May 16 '13 at 17:53
15
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Selecting text in an element (akin to highlighting with your mouse)
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jQuery solution gives me Uncaught TypeError: Cannot read property 'msie' of undefined
– egmfrs
May 28 at 19:41
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?
... ') AS semi_colon_separated_names FROM things;
But this will be a syntax error:
SELECT string_agg(name, '; ' ORDER BY name) AS semi_colon_separated_names FROM things;
--> ERROR: syntax error at or near "ORDER"
Tested on PostgreSQL 8.3.
CREATE FUNCTION string_agg_transfn(text, text, text)
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How do I make a JAR from a .java file?
...mpilation from the command line
javac -d ./build *.java
if there are no errors, in the build directory you should have your class tree
move to the build directory and do a
jar cvf YourJar.jar *
For adding manifest check jar command line switches
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Do I need to explicitly call the base virtual destructor?
...s question might be related and help questions/15265106/c-a-missing-vtable-error.
– Paul-Sebastian Manole
Dec 20 '14 at 20:16
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MVC 5 Seed Users and Roles
...when it comes to the line manager.AddToRole(user.Id, "AppAdmin") I get the error message "UserId not found." If you have any idea what I'm missing I'd much appreciate the information.
– Tom Regan
Feb 9 '15 at 1:36
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PHP code to convert a MySQL query to CSV [closed]
...ELECT * FROM table_name";
$export = mysql_query ( $select ) or die ( "Sql error : " . mysql_error( ) );
$fields = mysql_num_fields ( $export );
for ( $i = 0; $i < $fields; $i++ )
{
$header .= mysql_field_name( $export , $i ) . "\t";
}
while( $row = mysql_fetch_row( $export ) )
{
$line...