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How can I apply a function to every row/column of a matrix in MATLAB?
...elp/matlab/ref/rowfun.html), but the only "problem" is that it operates on tables (http://www.mathworks.se/help/matlab/ref/table.html) rather than matrices.
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MySQL, better to insert NULL or empty string?
...ome of the fields are optional while some are mandatory. In my DB I have a table which holds all these values, is it better practice to insert a NULL value or an empty string into the DB columns where the user didn't put any data?
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Are inline virtual functions really a non-sense?
... as this->Temp::myVirtualFunction() - such invokation skips the virtual table resolution and the function should be inlined without problems - why and if you'd want to do it is another topic :)
– RnR
Apr 9 '09 at 12:12
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CSS styling in Django forms
...ces; your classes or other attributes just work if you use the Django's as_table/as_ul/as_p form methods. If you need full control for a completely custom rendering, this is clearly documented
-- EDIT 2 ---
Added a newer way to specify widget and attrs for a ModelForm.
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Best way to check if object exists in Entity Framework?
...t.Employees.Any()) Then ' Check if there are "any" records in the Employee table
Dim employee = From c In context.Employees Select c.PayrollNumber ' Select just the PayrollNumber column to work with
For Each item As Object In employee ' Loop through each employee in the Employees ent...
Nested select statement in SQL Server
... as a
We need to make an alias of the subquery because a query needs a table object which we will get from making an alias for the subquery. Conceptually, the subquery results are substituted into the outer query. As we need a table object in the outer query, we need to make an alias of the inne...
How many GCC optimization levels are there?
...is a strong indicator that there are only 3 levels.
opts.c:default_options_table
opt_levels is so interesting, that we grep OPT_LEVELS_3_PLUS, and come across opts.c:default_options_table:
static const struct default_options default_options_table[] = {
/* -O1 optimizations. */
{ OPT_LEVELS_...
PostgreSQL delete with inner join
...
for larger tables, the first solution in this answer is potentially much faster.
– mgoldwasser
Nov 2 '14 at 16:58
2
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Error: 10 $digest() iterations reached. Aborting! with dynamic sortby predicate
...controller="testctrl">
<label>{{total}}</label>
<table>
<tr ng-repeat="item in items track by $index;" ng-init="end($index);">
<td>{{item.number}}</td>
</tr>
</table>
</div>
var app = angular.module('myApp',...
Submitting a multidimensional array via POST with php
...p through the values.
if ( isset( $_POST['diameters'] ) )
{
echo '<table>';
foreach ( $_POST['diameters'] as $diam )
{
// here you have access to $diam['top'] and $diam['bottom']
echo '<tr>';
echo ' <td>', $diam['top'], '</td>';
e...